'' BULLETIN DE L'INSTITUT ROYAL DES SCIENCES NATURELLES DE BELGIQUE, BIOLOGLE, 70: I I9-I48, 2000 BULLETIN VAN HET KONINKLIJ K BELGISCH INSTITUUT VOOR NATUURWETENSCHAPPEN, BIOLOGIE, 70: I I9-I48, 2000

Caridean (Crustacea, ) from Hansa Bay, Papua New Guinea: and

by S. DE GRAVE

Abstract ensifrons (DANA, 1852); Periclimenes vitiensis BORRADA ILE, 1898; Periclimenes rotumanus BORRADAILE, 59 of palaemonoid shrimps (Crustacea, Decapoda) are re­ 1898; Periclimenes parasiticus; Periclimenes tenuipes; and corded from Hans a Bay, along the northern coastli ne of Papua New Palaemonella tridentata BORRADAILE, I 899. Re-identifica­ Guinea. The present study raises the total number of marine tion of NOB ILl 's material by HOLTHUIS (1 952) proved that palaemonoid shri mp species from Hansa Bay to 76, of which 71 the single specimen referred to P. vitiensis was a species belong to the subfamily Pontoniinae The total number for Palaemonella rotumana (as Palaemonella vestigialis KEMP, Papua New Guinea is now raised from 13 at the beginning of the 1922); the specimen referred to P. rotumana was a century and 20 prior to the start of studies in Hansa Bay to a total of 82 species. Periclimenes longirostris BORRADAILE, 1915 (as Key words: , Palaemonidae, Pontoniinae, Palaemoninae, Periclimenes proximus KEMP, 1922); the three specimens Gnathophyllidae, Papua New Guinea. referred to P. tenuipes were a female of Periclimenes seychellensis BORRADA ILE, I 9 I 5 and two specimens of Leander tenuicornis (SAY, 1818); whilst the specimen re­ Resume ferred to P. parasiticus was a aberrant, juvenile L. tenuicomis. The single specimen referred to P. tridentata 59 especes de crevettes palaemonoides (Crustacea, Decapoda) ant proved to be a Periclimenella spinifera (DE MAN, I 902) (as ete enregistrees a Hansa Bay, le long de Ia cote nord de Ia Papouasie Periclirnenes spiniferus). Nouvelle Guinee. La presente etude !eve le nombre total d'especes Remarkably, the next specimens collected in Papua New de crevettes palaemonoides marines de Hansa Bay a 76, dont 71 Guinea were the description of Periclimenes attenuatus especes appartenant a Ia sous-famille des Pontoniinae. Le nombre BRUCE, 197 1 from the Duke of York Islands, close to New total d'especes pour Ia Papouasie Nouvelle Guinee est passe de 13 au debut du siecle, a 20 au commencement des etudes mem!es a Ireland and the records of Periclimenes holthuisi BRUCE, Hansa Bay, pour finalement aboutir au n total de 82 especes. 1969 from Madang by Bruce ( 1977a) and P. soror fTom New Mots d es: Caridea, Palaemonidae, Pontoniinae, Palaemoninae, Britain and Bougainville Island by BRUCE (1978a). In more Gnathophyllidae, Papouasie Nouvelle Guinee. recent years, MORGAN (1988) recorded six species of marine palaemonoid shrimps from Madang : viridis BRUCE, 1974; Harpiliopsis depressa (STIMPSON, 1860); Introduction Periclimenes brevicarpalis _(SCHENKEL, I 902); Periclimenes sp.; Gnathophyllum americanum GUERIN-MENEVILLE, The earliest marine palaemonoid species recorded 1856; and Phylognathia ceratophthalma (BALSS, 1913). from the Papua New Gui nean region was Pontonia armata More recently, DE GRAVE (1998, 1999a-c) recorded 18 spe­ H. MILNE EDWARDS , 1837 (now Paranchistus armatus), de­ cies of palaemonoid shrimps from Hansa Bay, Madang Prov­ scribed from New Ireland. This was followed by six species ince, not surprisingly 13 of which were considered new recorded by BORRADA ILE (1898) either from British New records for the Papua New Guinean fauna. In addition, Guinea (further specified as the Milne Bay region by BRUCE (1998a) recorded Brachycarpus crosnieri BRUCE, BORRADA ILLE, 1900) or from New Britain: Periclimenes 1998 from Madang, based on a photograph in ALLEN & parvus BORRADAILE, 1898; Periclinzenes parasiticus STEENE, 1994 (as Rhynchocinetes sp.). BORRADAILE, 1898 (now regarded as a synonym of The present report deals with the palaemonoid shrimp spe­ Periclimenes sotor NOB ILl, 1904); Periclimenes tenuipes cies collected during two expeditions (1992, 1993) to the BORRADAILE, 1898; Conchodytes meleagrinea PETERS, Hansa Bay region, based at the King Leopold III Biological 1852; Anchistus miersi (DE MAN, 1888); Anchistus Station at Laing Island. Some material collected during biunguiculatus BORRADAILE, 1898 (now considered a syno­ these two ex peditions has already been dealt with by DE nym of Paranchistus armatus); and Pontonia ascidicola GRAVE & WILKI NS (1997) and DE GRAVE (1 998, 1999a-c), BORRADAILE, 1898. During this period, NOB ILl ( 1899) also only additional material and/or species are reported herein. recorded the fo llowing six species from Beagle Bay, along Locations details can be found in CLAEREBOUDT et a/. the south coast of mainland Papua New Guinea: (1989). The majority of material was collected by means of '' 120 S. DE GR AVE

SCUBA di vin g, with shrimps either observed and collected DISTRIB UTION in situ, and from potential hosts, coral rubble or coral rock removed underwater and examined in the laboratory. Inter­ Circumtropical, associated with echinoderms. Previously re­ tidal coll ections were from manuall y searched substrate and corded from the northern coast of Papua New Guinea pools, broken up coral rock or from quinaldine poisoning of (MORGAN, 1988). rock pools. Baited traps, li ght traps, dredges and hand nets were also depl oyed, these yielded however fe w individuals. Post-orbital carapace lengths (cl) are given in mm. All speci­ mens have been deposited in the collecti ons o f the Family Palaemonidae RAFI NESQUE, 18 15 'Koninklijk Belgisch Instituut voor Natuurwetenschappen', Brussels, Belgium; registrati on numbers IG 27951 and IG Subfamily Pa1aemoninae RAFINESQUE, 18 15 28056. Palaemon WEBER, 1795

Systematic account Palaemon debilis DANA, 1852

Pa/aemon debi/is DANA , l 852a: 26. -DANA, l852b: 585. - DANA, 1855 : Family Gnathophyllidae DANA, 1852 12; Pl ate 38, fi g. 6.- HOLTHU IS, 1950: 66 -70; Fig. 13.

Gnathophylloides SCHMITT, 1933 MATERI AL Gnathophylloides mineri SCHMITT, 1933 KBIN IG 28056/NAT72; 1 ov. female cl 4.5, 14 fe males cl Gnathophyl!oides mineri SCHM ITI, 1933: 7; Fig. 3.- BRUCE, 1988: 97 -99; 2.1-5 .1, 3 males cl 2.0-3.0; Lain g Island jetty, collected by Figs. 1-2. hand net, leg. S. DE GRAVE & H. WILKINS , 25 September 1993, field no. S93/14. MATERI AL DI STRI BUTION KBIN IG 2728056/NAT69; 1 male cl 1. 15 ; Lain g Island la­ goon, 1-2 m depth, from Toxopneustes pileolus (LAMARC K) Wi despread in the Indo-Pacific; occurring in shall ow marine (Echin oidea), leg. S. DE GRAVE & H . WILKI NS , 3 October waters, as well as bracki sh and freshwater. The closely re­ 1993, field no. S93/53. KBIN IG 28056/NAT70; 2 fe males cl lated Palaemon concinnus D ANA, 1852 has been noted from 0.80-1 .25, I male cl 1.02; Hansa Bay, seagrass bed near the estuarine reaches of several rivers entering Hansa Bay Sisimangum village, 5 m depth, from Tripn eustes gratilla (DE GR AVE, 1999b; unpubl. obs.). (L.) (Echinoidea), collected by dredge, leg. S. DE G RAVE & M . M AGA P, 19 October 1993, field no. S93/122.

Urocaridella BORRADA ILE, 19 15 DI STRIBUTION Urocaridella antonbruunii (B RUCE, 1967) Circumtropical; Indo-Pacific locati ons include Zanzibar, Seychelles, Australi a (New South Wales), South China Sea, Periclimenes antonbm unii BRUCE, 1967: 45-53; Figs. 19-22. Tonga, Hawaii and Colombia. Associated with echinoids of Leandrites cyrtorhynclws FU JI NO & MI YAKE, 1969: 143- 149 , Fi gs. 1-3.­ the fa mily Toxopneustidae, the associatiO n with MONOD, 1976: 11 -14; Figs. 42-45, 53-57.- BRUCE, 199 1: 223 ; Figs. lc, 3d . Toxopneustes pileolus is a new host record (see BRUCE, Uroca ridel/a antonbmunii. - CHACE & BRUCE, 1993 : 42. 1988). Not previously recorded from Papua New Guinea. MATERIAL

Gnathophyllum LATREILLE, 18 19 KBIN IG 27951/NAT73; I fe male cl 2. 1, 3 males cl 2.75- 4. 00; Mast wreck, 8 m depth, free living inside wreck, leg. J. ­ Gnathophyllum americanum GUER IN-MENEV ILLE, 1856 M. O UIN, 19 September 1992, field no. S92/77. KBIN IG 27951/NAT74; 1 ov. fe male cl 3.85; Wangin am Reef, 10m Gnathophyllwn americanum GUER IN-MENEV ILLE, 1856: viii ; Plate 2, fig . depth, free li ving am ong coral rubble, leg. S. DE GRAVE, 20 14.- Mann ing, 1963: 58-62; Figs. 5-6. - CHACE & BRUCE, 1993: 136 (full September 1992, field no. S92/88. KBIN IG 2795 1/NAT75; synonymy). 4 fe males cl 1.65-2.55, 2 males cl 2.70-2.85; Laing Island lagoon, 15m depth, free li ving in small cave in bommy, leg. MATERI AL S. DE GR AVE, 26 September 1992, field no. S921100. KBIN IG 28053/NAT76; I female cl 1.75; Lain g Island eastern KBIN IG 28056/NAT7 1; I fe male cl 1. 95; Awar Point, inter­ side, 30 m depth, from atrial cavity of Stelletinopsis isis ti dal rock pool , quinaldine poisoning, le.g. S. DE GRAVE & H. LAUBENFELS (Pori fera), leg. S. DE G RAVE, 3 October 1993, W ILK INS , 12 October 1993, field no. S93/l 05. field no. S93/48. '' Caridean shrimps from Hansa Bay, I. 121

DISTRIBUTION dactylus of the third pereiopod are graduated in length, as opposed to the arrangement shown in the type description Known from the Comores, Kenya, Red Sea, Japan, Indone­ (BRUCE, 1976a). Males are generally similar to the females, sia, Australia, Palau Islands and New Caledonia. Not previ­ especially in regards of the characteristic rostral and frontal ously recorded from Papua New Guinea. region morphology, the di sto-l ateral spines ·on the exopod of the uropod, and the armament of the dac tyli of the ambula­ tory pereiopods (Fig. 1d). In one male specimen the rostrum Subfamily Pontoniinae KI NGS LEY, 1878 is more elongate and oven eaches the antennular peduncle. Differences noted between the sexes were the Jess developed Apopontonia BRUCE, I976 second pereiopods in males, with non-tuberculate, non-den­ ticulate chelae (Fig. I f). The endopod of the first pleopod in Apopontonia dubia BRUCE, 198 1 males reaches about 0.46x of the exopod; is provided with five non-plumose setae along its medial margin and a single, Apoponronia dubia BRUCE, 198 1a: 225-23 1; Figs. 1-3. - BRUCE, 1983a: non-plumose apical seta (Fig. l a-b). Second pleopod of 2 10-21 2;Fig. l.-BRUCE, 199 1:258. males provided with appendix masculina and interna; appen­ dix masculina reaching to about 0.36x of the appendix interna. The appendix mascu1in a is provided with a single MATERIAL apical and a single sub-apical, non-plumose seta (Fig. I c). KBIN IG 28056/NAT77; I ov. female cl 1.56; Hansa Bay, Davit Wreck, I 0 m depth, from coral rocks/rubble encrusted DISTRIBUTION with , bryozoans and soft corals, leg. S. De Grave, 23 September 1993, field no. S93/4. Previously only known from Madagascar (NW coast), Aus­ Remarks. The sin gle specimen has a rostral dentition of 4/1 , tralia (Heron lsi. , One Tree lsi.) and the Maldives; wi th the ve ntral tooth being relati vely larger than shown in Xestospongia testudinaria is a new host record. the illustrations in the type description (BRUCE, 1981a). The major second chelae is missing.

Conchodytes PETERS , 1852 DISTRIBUTION Conchodytes biunguiculatus (PAUL' SON , I875) Previously only known from Queensland (North Stradbroke lsi. , Heron lsi. ) and New Caledonia. Pon/onia biunguiculaw PAU L' SON, 1875: Ill ; Pl ate 15, figs. l-In. Conclwdy1es biungu iculalus.- KEMP, 1922: 280-282; Fig. I 03. - FRANSEN , 1994: 88 -96; Figs. 3-7, 12-1 5,23, 27, 30-3 1, 35. Apopontoniafalcirostris BRUCE, 1976 Conclwdy1es kempi BRUCE, 1989: 183- 184; Figs. 3b-e. (Fig. I) MATERIAL Apopolllonia falcirostris BRUCE, 1976a: 303-3 11 ; Figs. 1-5. KBIN 28056/NAT81; I female cl 2.0; Hansa Bay, Purar I MATERIAL Reef, 10m depth, from coral rubble, leg. S. DE GRAVE, II October 1993, field no . S93/97. KBIN 28056/NAT82; I fe­ KBIN IG 27951/NAT78; I ov. female cl 1.75, I male cl 1. 25; male cl 1.9; Hansa bay, Duangit Reef, 45 m depth, from coral Laing Island lagoon, unnamed wreck, 5 m depth, from uni­ rock encrusted with sponges and soft coral, leg. H. WILKI NS , dentified , leg. S. DE GRAVE, 7 September 1992, field 12 October 1993, field no. S93/104. KBIN 28056/NAT83; I no. S92/45. KBIN IG 27951/NAT79; I ov. female cl 1.75, I female cl 1.2; Potsdam Is!. , 27 m depth, from coral rubble male cl 1.50; Lai ng Island lagoon, NW side, 8 m depth , from encrusted with sponges, leg. S. DE GRAVE, 14 October 1993, unidentified sponge, leg. S. De Grave, 8 October 1992, field field no. S93/114. no. S92/141. KBIN IG 28056/NAT80; I ov. female cl 1.35; Laing Island lagoon entrance, 25 m depth , from REMARKS Xestospon gia testudinaria (LAMARCK) (Porifera), leg. S. DE GRAVE, 27 September 1993, field no. 593/20. The present specimens are assigned to C. biunguiculatus on the basis of the shape of the rostrum, the shape of the dacty­ REMARKS lus of the third pereiopod and the distinct notch between the basal and ischiomeral segment of the third maxilliped (see The present female specimens agree closely with the type FRANSEN, 1994 ). One specimen has the preterminal pair of description (BRUCE, 1976a), although in addition to a sin gle telson spines situated like in the illustration of C. nipponensis ventral tooth and a pointed rosn·al apex, five dorsal teeth are (DE HAAN) by FRANSEN (1994 ), and also harbours a small present on the rostrum, as opposed to four in the type speci­ basal tooth, proximal to the large tooth on the protuberance men. The teeth along the ventral margin of the corpus of the of the third dactylus. I I I 22 S. DE GRAVE

c

d

Fig. I. - Apopontoniafalcirostris. KBIN IG 2795 1/NAT79, male. a: first pleopod; b: endopod of first pleopod; c: appendix masculina and interna; d: dactylus of third pereiopod, e: larger second pereiopod; f: fin gers of second pereiopod. Scale bar indicates 0.5 mm (e), 0.2 mm (a, f) , 0.05 mm (d) or 0.07 mm (b, c).

DISTRIBUTION Coralliocaris STIMPSON, I 860

The distribution of this taxon is not clear, due to confusion Coralliocaris superba (DANA, 1852) regarding the identity of C. biunguiculatus versus C. nipponensis. With certainty, recorded from the Red Sea, CEdipus superbus DANA, 1852a: 25. - DANA, 1852b: 572. - DANA, 1855: Seychelles, Indonesia, southern Taiwan, Vietnam and the Plate 37, figs. 2-2f. previous record from Hansa Bay (Papua New Guinea) by DE CEdipus dentirostris PAUL' SON, 1875: 11 2; Plate 14, fi g. 7-7d. Coralliocaris Sllperba.- KEMP, 1922: 272-274; Figs. 98-99.- Kuso, 1940: GRAVE (1 999c). Although generally associated with 67-70; Figs. 30-32.- BRUCE, !98lb: 89-90; Fig. 9.- Bruce, 1991: 264-265; Bivalvia, the present specimens were obtained from coral Fig. 26. rubble collecti ons, with no bivalves being noted. MATERIAL

KB IN IG 2795 l/NAT84; I female cl 2. 15, I male cl 2.00; Hansa Bay, Mast wreck, 3 m depth, from Acropora sp.; leg. S. DE GRAVE, 7 October 1992; field no. S92/1 38. Caridean shrimps from Hansa Bay, I. 123

DISTRIBUTION Exoclimenella sibogae (HOLTHUIS , 1952)

Widespread in the tropical Indo-West Pacific, associated Peric/imenes sibogae HOLTH UIS, I952: 73-76; Fi gs. 28-29. with corals of the Acropora. Not previously recorded Exoclimenella sibogae ..- DUR IS & BRUCE, I995: 643-645; Fig. I2. from Papua New Guinea. MATERIAL

KBIN IG 28051/NAT89; I male cl2.30; Laing Island , eastern Coralliocaris venusta KEMP, 1922 si de, 15m depth, from Seriatopora hystrix DANA , leg. S. DE GRAVE & H. WILKINS , 26 September 1993, field no. S93/1 8. Coral/iocaris venusra Kemp, I922: 274-276; Figs. 100-101. - BRUCE, I977b: 67-68; Fig. I2j-rn.- Bruce, I980a: 268 ; Fig. 2h-j. REMARKS

MATERIAL The specimen has a rostral dentition of I+ 7/3, with the sub­ apical tooth being smaller than the rest of the dorsal series; KBIN IG 27951/NAT85; I ov. female c1 4.60, 1 male the rostrum reaches to the end of the scaphocerite. The major (bopyrised) cl 2.60; Laing Island, Outside Reef, 3 m depth, second pereiopod is miss ing. The chelae of the minor second from Acropora sp., leg. S. DE GRAVE & H. WILKINS, 23 Sep­ pereiopod is as described by HOLTHUIS ( 1952), although the tember 1992, field no. S92/93. KBIN IG 28053/NAT86; 1 ov. crenulations on the fixed finger extend over nearly its entire female cl 2.30; Laing Island, Outside Reef, 20m depth, from length; the carpus harbours 3 distal teeth. A disto-latera1 Acropora sp. , leg. H. WILKINS, 13 October 1993 , field no. lamina is present on the chelae of the first pereiopod, as noted S931107 by DURIS & BRUCE (1995).

DISTRIBUTION DISTRIBUTION

Widespread in the tropical Indo-West Pacific, associated Previously only known from the hol otype from Banda An­ with corals of the genus Acropora. Not previously recorded chorage, Indonesia (HOLTHUIS, 1952); the si ngle specimen from Papua New Guinea. recorded by EDWARDS & EMBERTON ( 1980) from Sudan (Red Sea) has been referred to Exoclimenella sudanensis DURI S & BRUCE (see DURI S & BRUCE, 1995). Exoclimenella BR UCE, 1994 Fennera HOLTHUIS, 1951 Exoclimenella maldivensis DURIS & BRUCE, 1995 Fennera chacei HOLTHUIS , 1951 Exoclimenellamaldivemis DURIS & BRUCE, 1995 : 622-63 1; Figs. 1-5. Fenn era cha cei HOLTHU IS, I95 1: I7I-I 74; Plate 54, fi gs. a-p. MATERIAL MATERIAL KBIN IG 28051/NAT87; 1 ov. female cl 2.30; Laing Island, eastern side, 15 m depth, from Seriatopora hystrix DANA, KBIN IG 27951/NAT90; ·8 specimens (l bopyrised) cl 0.75- leg. S. DE GRAVE & H. WILKINS, 26 September 1993, field 1.1 0; Han sa Bay, Awar wreck, 6 m depth, from Acropora sp., no. S93/18. KBIN IG 28051/NAT88; 1 non-ov. female cl leg. S. DEGRAVE, 12 October 1992, field no . S92/151. KBIN 2.30, 1 male cl 3.10; Hansa Bay, Wanginam II Reef, from IG 28051/NAT91; I female c1 0.87; Laing Isl and western coral rock encrusted with sponges, leg. S. DE GRAVE & H. Reef, I 0 m depth, from Pocillopora damicornis (L.) WILKINS, I 0 October 1993, field no. S93/Wanginam. (Scleractinia), leg. H. WILKINS , 18 October 1993, field no. POC93/6. KBIN IG 2805l!NAT92; I female c1 0.84; Laing Island western Reef, 10 m depth, from Pocillopora REMARKS damicornis, leg. H. WILKINS , 18 October 1993, field no. POC93/7. KBIN IG 28051/NAT93; I ov. female cl 1.19; The present specimens agree closely with the type descrip­ Laing Island western Reef, 10 m depth, from Pocillopora ti on (DUR IS & BRUCE, 1995); two specimens have a rostral damicornis, leg. H. WILKINS, 18 October 1993, field no. dentition of 1+6/5 , whilst the ovigerous female harbours POC93/9. KBIN IG 28051/NAT94; I ov. female c1 1.22; 1+7/4. Laing Island eastern side, 10 m depth, from Pocillopora damicornis, leg. S. DE GRAVE, 19 October 1993, field no. DISTRIBUTION POC93/22. KBIN IG 2805 1/NAT95; 2 ov. fe males c1 1.10- 1.20; Laing Island western Reef, 7 m depth , from Previously only known from the type materi al from the Pocillopora damicomis, leg. H. WILKI NS, 20 October 1993, Maldives and the Timor Sea. field no. POC93/36. '' 124 S. DE GR AVE

DISTRIBUTION ated with several coral genera. Not previously recorded from Papua New Guinea. Widespread in the tropical Indo-Pacific, from East Africa to the Eas t coast of the Americas; associated with several coral genera. Not previously recorded from Papua New Guinea. Harpiliopsis depressa (STIMPSO. N, 1860) Harpilius depressus ST•MPSON, 1860: 38 .- KEMP, 1922: 231-234; Fi gs. 69 - Hamodactylus HOLTHUIS , 1952 70. ?Periclimenes pusillus RATHBUN , 1906: 92 1; Fig. 7 1; Plate 24, fi g. 7. Hamodactylus noumeae BRUCE, 1970 Hwp iliopsis depres.ws.- HOLTHU IS, 195 1: 70-75 ; Plates 21-22. Hwpi!iopsis depressa. - BR UCE, 1977b: 65 -67; Fig. 12a-c. - BRUCE, 1983b: 895-896; Fi g. !Od -f.- CHACE & BR UCE, 1993: 82. Hamodacrylus bosclunai var. 0 HOLTHUIS , 1952 : 2 12-2 13; Fig. 105. Hamodacrylus J/011/ll eae BRUCE, 1970a: 539-541 ; Fi g. 2. MATERIAL MATERIAL KBIN 2795 1/NAT99; 5 specimens cl 1.60-2.80; Laing Is­ KBIN IG 27951/NAT96; 6 specim ens cl 0.60-1.20; Hansa land, eastern side, from Pocillopora damicornis, 15m depth; Bay, Sushi Maru wreck, 19 m depth, from unidentified leg. S. DE GR AVE, 30 September 1992; fi eld no. S92/l13. gorgonian, leg. S. DE GRAVE , 2 September 1992, field no. KBIN 27951/NAT IOO ; 7 specimens cl 1.15-2.85; Laing Is­ S92/26. KBIN IG 27951/NAT97; 3 females cl 1.00-1.25, 2 land, eastern side, from Seriatopora hystrix, 5 m depth; leg. males cl 1.00-1 .10 ; Han sa Bay, Davi t wreck, 9 m depth, from S. DE GRAVE, 4 October I 992; field no. S92/l20. unidentified gorgonian, leg. S. DE GR AVE, 5 October 1992, field no. S92/l30. DISTRIBUTION

DISTRIBUTION Di stributed tlu·oughout the Indo-Pacific, from East Africa through to the East Pacific coast of the Americas; associated Known from Tanzani a, Kenya, Indonesia, Australia (Heron with vari ous coral genera. Previously recorded from the Island) and New Caledonia, in association with Gorgonaria northern coast of Papua New Guinea (Morgan, 1988). and Alcyonari a. Not previously recorded from Papua New Guinea.

Harpiliopsis spinigera (ORTMANN , 1890)

Harpi/iopsis BORR ADA ILE, 1917 Anchisria spin igera ORTMANN , 1890: 5 11 ; Pl ate 36, fig s. 23-23a. Harpi!ius depressus va r. gm cilis KEMP, 1922: 234-235; Fig. 71. Harpiliopsis beaupresii (AUDOUIN , 1826) Hwpiliopsis spinigerus. - BR UCE, 1976b: 127- 128. Harpi!iopsis spinigera.- CH ACE & BRUCE, 1993 : 82-83. Palaemon Beaupresii AUDOUIN , 1826: 91. Hwpiliopsis beaupresii.- BORRADA ILE, 192 1: 379-380; Plate 55, fig. 21 .­ MATERIAL HOLTI·IUIS, 1952: 181-182; Fi g. 89. - BRUCE, !976 b: 124- 127 ; Figs. 21-22. ­ FRANSEN, 198 7: 510; Fi g. 6. KBIN 27951/NAT I 00; 1 ov. female cl 2.80, 1 male cl 2.85; Laing Island eastern side, from Stylophora pistillata ESPER MATERIAL (Scleractinia), 5 m depth; leg. S. DE GRAVE & H. WILKINS , 4 October 1992, fi eld no. S92/l18. KBIN 27951/NAT1 01 ; 26 KBIN 2805 1/NAT98; I ov. female cl 2.85; Laing Island la­ specimens cl 1. 25-3.00; Hansa Bay, Mast wreck, from goon, 5 m depth, from Pocillopora damicornis, leg. H. Stylophora pistillata, 3 m depth; leg. S. DE GR AVE & H. Wilkins, 10 October 1993; field no. POC93/39. WILKI NS, 7 October 1992, fi eld no. S92/l37. KBIN 28053/ NATI02; 1 male cl 1. 85; Laing Island eastern side, from REMARKS Stylophora pistillata, 5 m depth; leg. P. V AN DER WALLE, 3 October 1993, field no. S93/44. KBIN 28053/NAT103; 1 Numerous more specimens of this species were collected as male cl 2.75; Potsdam Island eastern side, from Pocillopora part of an ecological study of the decapod community occur­ damicornis, I 0 m depth; leg. J. M. THEATE, 14 October 1993, ring wi th Pocillopora damicornis (Scleractinia) in Hansa field no. S93/I IO. Bay (DE GR AVE, unpublished).

DISTRIBUTION DISTRIBUTION Distributed throughout the Indo-West Pacific, precise distri­ Widespread in the Indo-Pacific , from the Red Sea and East buti on uncertain due to confusion with H. dep ressa. Not pre­ Africa to Easter Island, Galapagos Islands and Chile; associ- viously recorded from Papua New Guinea. II

Caridean shrimps from Hansa Bay, I. 125

...··

Fig. 2. - lschnopontonia lophos. KBIN IG 28056/NATl 06, ov. female. a: carapace; b: dactylus of third pereiopod. Scale bar indicates 0.7 mm (A) or 0.2 mm (8 ).

/scluzopontonia BRUCE, 1966 rostral teeth is merely considered to be a variable character. The dactylar unguis of the ambulatory pereiopods is dis­ Ischnopontonia lophos (BAR NARD, 1962) tinctly marked off from the corpus and is densely covered with minute scales (Fig. 2b), a feature not noted in previous (Fig. 2) descri pti ons.

Phi/arius /op/ws BARNARD, 1962: 242-243; Fig. 2. /sclmopolllOII ia /oplws. - BRUCE, 1966: 584-589; Figs. 1-5. - BRUCE, 1985: DISTRIBUTION 1-5; Figs. 1-3. Widely distributed in the tropical parts of the Indo-West Pa­ cific Ocean, not previously reported from Papua New MATERIAL Guinea. Usually associated with the coral Galaxea fascicularis (L.), the association with Acrhelia horrescens KBIN IG 27951/NAT104; I ov. female cl 2.00, 1 male cl presents a new host record. 1.90; Laing Island lagoon, NW side, 7 m depth, from Galaxea fascicularis (L.) (Scleractinia), leg. S. DE GRAVE, 12 October 1992, field no. S92/1 47. KBIN IG 27951/ NATIOS; 2 1 specimens cl 0.75-2.75; Laing Island lagoon, ] ocaste HOLTHUIS, 1952 NW side, 7 m depth, from Acrhelia horrescens (DANA) (Scleractinia), leg. S. DE GRAVE, 12 October 1992, fi eld no. ]ocaste japonica (ORTMANN, 1890) S92/1 48. KBIN IG 28056/NATI06; I ov. female cl 1.80; Laing Island eastern side, 15 m depth, from Galaxea Coralliocaris superba var. japonica ORTMANN, 1890: 509. Co ralliocaris japonica. - BORRADA ILE, 191 7: 384; Plate 56, fi g. 23a', b', f, (L.) (Scleractinia), leg. H. WILK INS, 26 Septem­ fascicularis i, l, l',m. ber 1993, field no. S93/1 7. KBIN IG 28056/NATI 07; 2 ov. Jocaste japonica. - BRUCE, 1976b: 128-13 1; Figs. 23-24. - BRUCE, 1980b: females cl 1.75-1.85, I female cl 1.1 0; Laing Island eastern 395; Fig. 3c.- BRUCE, 1981b : 87: Fig. 8. side, 20 m depth, from Galaxea fascicularis (L.) (Scleracti nia), leg. S. DE G RAVE, 30 September 1993, field MATERIAL no. S93/37. KBIN IG 2795 1/NATl 08; I ov. female c1 2.35, I male cl REMARKS 1.40; Laing island, eastern side, 15 m depth, from Acropora sp., leg. S. DE GRAVE & H. WILKINS , 27 September 1992, The number of dorsal rostral teeth in the present material var­ field no. S92/105. KBIN IG 2795 1/NATI09; 6 specimens cl ies from 7 to 12; whilst in approximately 50% of specimens a 1.25-2.15; Hansa Bay, Mast wreck, 3 m depth, from single ventral tooth was present (Fig. 2a). Previously, the Acropora sp. , leg. S. DE GRAVE & H. WILKINS, 7 October presence of ventral teeth has only been noted in two speci­ 1992, field no. S92/139. KBIN IG 2795 1/NATI IO; 1 male cl mens from the Ryukyu Islands (BRUCE, 1985). As in all 2.70; Laing Island, eastern side, 3 m depth, from plate-like other features, these specimens agree closely with the de­ Acropora sp., leg. S. DE GRAVE & H. WILKINS , 16 October scription of BR UCE ( 1966), the presence or absence of ventral 1992, field no. S92/170. KBIN IG 28053/NAT!ll ; 1 ov. fe- 126 S. DE GRAVE

male c1 1.90, 1 male cl 1.20; Laing Island, eastern side, 5 m teeth (Fig. 3a). The bidentate tips of the chelae of the first depth, from dead base of Acropora sp., leg. S. DE GRAVE & pereiopod (Fig. 3d) were not noted in the type description. H. WILKINS , 19 October 1993, field no. S931124. The genus Onycocaridella was erected by BRUCE (1981c) to accommodate three species, two of .which were previously placed in Onycocaris NOBILl , 1904; but which differ from DISTRIBUTION that genus in the structure of the first and second pereiopods, the unanned dactyls of the ambulatdi')' pereiopods (Fig. 3g), Widespread in the tropical Indo-West Pacific, associated and the presence 0f a well developed epipod on the second with corals of the genus Acropora. Previously mentioned as maxilliped (Fig. 3b). occurring in Papua New Guinea without collection and loca­ tion details by BRUCE (1998b). DISTRIBUTION

]ocaste lucina (NOBILl, 190 I) Previously recorded from the Ryukyu Islands, Great Banier Reef (Australia) and La Reunion; associated with Porifera. Coralliocaris !ucina NOBILl , I 901: 5.- KEMP, 1922: 276-278 . .?Coralliocaris /am ellirostris STIMPSON, 1860: 38. locaste !ucina.- BRUCE, 1974a: 199-200; Fig . 8.- BRUCE, 1976b: I31; Fig Orthopontonia BRUCE, 1982 23c-d.- CHACE & BRUCE, 1993: 84. Orthopontonia ornata (BRUCE, 1970) MATERIAL ornatus BRUCE, 1970b: 313-314. KBIN IG 27951/NAT112; I ov. female c1 2. 15, 1 male cl Orthopontonia ornata.- BRUCE, 1982a: 165-175; Figs. 1-5; 2.25; Laing Island lagoon, NW side, 5 m depth, from Plate I. Pocil!opora damicornis, leg. S. DE GR AVE & H. WILKINS, 2 October 1992, field no. S93/117. KBIN IG 28053/NATII3; 2 MATERIAL females cl 2.75-2.95, 2 males cl 3.00-3.05; Laing Island, eastern side, I 0 m depth, from plate-like Acropora sp., leg. KBIN IG 27951/NATI15; 6 specimens ci 1.60-2.60; Hansa H. WILKI NS , 24 October 1993, field no. S93/125. Bay, Davit wreck, 9 m depth, from unidentified sponge, leg. S. DE GRAVE, I September 1992, field no. S92115. KBIN IG DISTRIBUTION 27951/NAT116; I ov. female c1 3.15, I male c1 2.50; Hansa Bay, Sushi Maru wreck, 12 m depth, from unidentified Widespread in the tropical Indo-West Pacific, usually associ­ sponge, leg. S. DE GR AVE, 2 September 1992, field no. S92/ ated with corals of the genus Acropora, rarely with 27. KBIN IG 27951/NATII7; 2 females c1 2.40-2.45; Hansa Pocillopora and Stylophora. Previously mentioned as occur­ Bay, Mast wreck, 8 m depth, from unidentified sponge, leg. ring in Papua New Guinea without collection and location S. DE GRAVE, 19 September 1992, field no. S92/82. KBIN details by BRUCE (1998b). IG 27951/NAT118; I ov. female cl 1.85; Laing Island, east­ ern side, from small sponge at base of Pocillopora damicornis, 8 m depth, leg. S. DE GRAVE, 30 September Onycocaridella BRUCE, 1981 1992, field no. S92!113. KBIN IG 27951/NAT119; 1 ov. fe­ male 3.60, 2 females cl 1.75-2.05; Hansa Bay, Davit wreck, 9 Onycocaridella monodoa (FUJINO & MIYAKE, 1969) m depth, from Stelletinopsis isis LAUBENFELS , leg. S. DE GRAVE, 6 October 1992, field no. S92/133(bis). KBIN IG (Fig. 3) 27951/NATI20; I ov. female cl 3.60; Laing Island lagoon, NW side, 8 m depth, from unidentified sponge, leg. S. DE Onycocaris monodoa FUJI NO & MIYAKE, 1969: 405-413; Figs . 1-5. GRAVE, 1! October 1992, field no. S921142. KBIN IG Onycocaridel!amonodoa.- BRUCE, 1981 c: 249. 27951/NATI21 ; 1 ov. female cl 3.75, I female cl 2.25, 2 males cl 2.70-3.70; Laing Island lagoon, 8 m depth, from MATERIAL unidentified sponge, leg. S. DE GRAVE, 13 October 1992, fi eld no. S92/146. KBIN IG 27951/NATI22; 6 specimens cl KBIN 28053/NAT114; 1 ov. female cl 1.65; Laing Island 6.00-2.15; Laing Island lagoon, NW side, 7 m depth, from eastern side, 10 m depth, from coral rubble, encrusted with unidentified sponge, leg. S. DE GRAVE, 13 October 1992, live corals, sponges and ascidians, leg. S. DE GR AVE & H. field no. S921149. WILKINS , 7 October 1993; field no. S93!75. DISTRIBUTION REMARKS Previously only known from Tanzania, Zanzibar, Australia The sin gle specimen agrees well with the type description, (Heron Is!.). Not previously recorded from Papua New although the rostrum reaches to the end of the first segment Guinea, the association with Ste/letinopsis isis presents a of the antennular peduncle and is furnished with two dorsal new host record. I I

Caridean shrimps from Hansa Bay, I. 127

c ~L\-~----­ ~~ c==,....___ -/-..

Fig. 3. - Onycocaridella monodoa. KBIN 28053/NAT114. a: carapace; b: second max illi ped; c: chelae of first pereiopod; d: detail; e: second pereiopod; f: third pereiopod; g: dactylus of third pereiopod. Scale bar indicates 0.5 mm (a), 0.4 mm (e), 0.2 mm (b, c, f) or 0.05 mm (d, g) . I I

128 S. DE GRAVE

Fig. 4. - Palaemonella pottsi. KB JN 28053/NAT133. a: carapace; b: fourth to sixth abdominal segments; c: antennular peduncle; d: detail of flagellum; e: scaphocerite; f: endopod of fi rst pleopod; g: appendices masculina and interna; h: mandible; i: chelae of second pereiopod; j : carpus (medial); k: carpus (lateral); 1: distal part of merus; m: thi rd pereiopod; n: dactylus. Scale bar indicates I mm (a, b), 0.5 mm (c, e, m) or 0.2 mm (d, f-g, h-1). All from ov. fe male (cl 3.25), except f-g from male (cl 3.20). Caridean shrimps from Hansa Bay, I. 129

Palaemonella DANA, 1852 the ambulatory pereiopods are highly characteristic in this species, with the dactylar unguis being clearly demarcated Palaemonella pottsi (BORRADAILE, 1915) (Fig. 4n), the ventral margin of the corpus of the dactylus being sinuous (Fig. 4n), and the propodal spines being small (Fig. 4) (Fig. 4m). In P. rotumana the unguis is not demarcated, the ventral margin is smoothly concave (fig. Sg) and the Periclimenes (Falciger) pousi BORRADAILE, 1915: 212. propodal spines are long, reaching 0.4-0.Sx length of the dac­ Periclimenes pousi.- Pons, 1915: 82. tylus (Fig. Sf). In all other characteristics both species are Palaemonel/a pousi. - BRUCE, 1970c: 279-284; Figs. 3-7. very similar. In the present specimens, considerable varia­ tion was noted in the development of the post-orbital ridge, MATERIAL which in some large specimens terminates in a supra-orbital tubercle, in small specimens the ridge appears to be com­ KBIN 27951/NAT123; I male cl 1.20; Laing Island lagoon, pletely absent or very poorly developed. 10m depth, from unidentified crinoid, leg. S. DE GRAVE, 14 September 1992; field no. SCR92/5. KBIN 27951/NATI24; 1 female cl 1.50, I male cl 3.00; Laing Island lagoon, 10m DISTRIBUTION depth, from unidentified crinoid, leg. S. DE GRAVE, 14 Sep­ tember 1992; field no. SCR92/6. KBIN 2795 l/NATI25; 1 Widespread in the Indo-Pacific, from east Africa to the ov. female cl 3.45, I male cl I .50; Laing Island, exposed side, Marshall Islands; associated with crinoids. Not previously I 5 m depth, from unidentified crinoid, leg. S. DE GRAVE, 24 recorded from Papua New Guinea. September I 992; field no. SCR92/35. KBIN 28053/ NAT126; 1 female cl 1.50; Laing Island, eastern side, night dive, I 0 m depth, from unidentified crinoid, leg. S. DE Palaemonella rotumana (BORRADAILE, 1898) GRAVE, 27 September I 993; field no. SCR93/2. KBIN 28053/NATI27; 3 specimens cl 1.1 0-1.90; Laing Island, (Fig. 5) eastern side, night dive, I 0 m depth, from unidentified crinoid, leg. S. DE GR AVE, 27 September 1993; field no. Peric/imenes ro/ttiiWilliS BORRADA ILE, 1898: 383. - BORRADAILE, 1899 : I 005 ; Plate 63, figs. 5-5b. SCR93/7. KBIN 28053/NAT128; I female cl 1.85, I male cl Palaemone/la vesrigialis KEMP, 1922: 123-126; Figs. 1- 2; P!aie 3, fi g . 2. - 1.30; Hansa Bay, Duangit Reef, 30 m depth , from unidenti­ H OLTHUIS , 1952: 24-27; Figs . 2a-b, 3. fied crinoid, leg. S. DE GRAVE , 4 October I993; field no. Palaemonella rorumana. -BRUCE, 1970c: 276-279; Plate le-f. - BRUCE, SCR93/ll. KBIN 28053/NAT I 29; I ov. female ci 2.90, 1 199 1: 229-232; Figs. 5, 6e. male cl 3.05; Hansa Bay, Duangit Reef, 30 m depth, from unidentified crinoid, leg. S. DE GRAVE, 4 October 1993; field MATERIAL no. SCR93/12. KBIN 28053/NAT130; 3 specimens cl I .25- 1.70; Hansa Bay, Duangit Reef, 1 m depth, from unidentified KBIN 27951/NAT135; 2 females cl 0.90-1.10; Laing Island crinoid, leg. S. DE GRAVE , 4 October 1993; field no. SCR93/ eastern side, 15 m depth , from Acropora sp. (Scleractinia), 14. KBIN 28053/NATI31; 1 ov. female cl 2.25; Hansa Bay, leg. S. DE GRAVE, 27 September 1992; field no. S921105. Duangit Reef, 6 m depth, from unidentified crinoid, leg. S. KBIN 27951/NAT136; 1 ov. female cl 1.80, 2 juveniles cl DE GRAVE, 4 October 1993; field no. SCR93/15. KBIN 0.75-0.85; Laing Island lagoon, NW side, 10m depth , fr om 28053/NAT132; 1 ov. female cl 3.50, 1 male cl 2.75; Hansa Acropora sp. (Scleractinia), leg. S. DE GRAVE, 4 October Bay, Duangit Reef, 6 m depth, from unidentified crinoid, leg. 1992; field no. S921108. KBIN 27951/NAT137; I male cl S. DE GRAVE, 4 October 1993; field no . SCR93/16. KBIN 1.8 5; Laing Island lagoon, NW side, 10m depth, collected by 28053/NAT133; I ov. female cl 3.25, 1 male cl 3.20; Hansa diver-operated suction sampler on gravel substrate, leg. S. Bay, Duangit Reef, 15 m depth, from unidentified crinoid, DE GRAVE & H. WILKINS , 2 October 1992; field no. S921114. leg. S. DE GRAVE, 5 October 1993; field no. SCR93/21. KBIN IG 2795 l/NAT138; 1 female cl 2.10; Laing Island la­ KBIN 28053/NAT134; 5 specimens (incl. 1 ov. female) cl goon, NW side, 5 m depth, from muddy substrate, collected 2.10-3.1 0; Laing Island, eastern side, 15 m depth, from uni­ by yabby pump, leg. H. WILKINS , 2 October 1992, fi eld no. dentified crinoid, leg. P. VANDER WALLE & J.-M. THEATE, 5 S92/ll 5. KBIN 2795 1/NAT 139; 2 ov. females cl 1.25-1.40, 1 October 1993; field no. SCR93/22. KBIN 28053/NAT134; 1 female c1 1.10; Laing Island lagoon, NW side, 10m depth, female cl 2.00, I male cl 1.60; Laing Island, eastern si de, 15 from Acropora cf. echinata (Scleractinia), leg. S. DE GRAVE, m depth, from unidentified crinoid, leg. P. VAN DER WALLE 4 October 1992; field no. S92/122. KBIN 2795 l/NATI 40; I & J.-M. THEATE, 5 October 1993; field no. SCR93/24. female cl 2.35; Hansa Bay, Davit Wreck, IO m depth , from sediment around wreck, suction sampler, leg. S. DE GRAVE & REMARKS H. WILKINS , 5 October 1992; field no. S92/125. KBIN 27951/NAT141; I male cl 1.80; Hansa Bay, Davit Wreck, II The present species is closely allied to Palaemonella m depth, from sediment around wreck, sucti on sampler, leg. rotumana (BORRADA ILE), to the extent that its separate status S. DE GRAVE & H. WILKINS , 6 October 1992; field no. S92/ has been questioned by several authors (Kemp, 1922; 131. KBIN IG 27951/NAT142; 6 specimens c1 1.00-2.35; Holthuis, 1952; Johnson, 1961 ). However, as already Laing Island lagoon, NW side, 7 m depth, from Ga/axea pointed out by Bruce (l970c), the dactylu s and propodus of fascicularis (L.) (Scleractinia) , leg. S. DE GRAVE, 12 October I I

130 S. DE GRAVE

a

n

m

Fig. 5.- Palaemonella rotumana. KB IN 28053/NATI55. a: carapace; b: fourth to sixth abdominal segments; c: antennular peduncle; d: detail of fl agell um; e: scaphocerite; f: third pereiopod; g: dactylus; h: mandible; i: distal part of merus of second periopod; j : chelae of second pereiopod; k: carpus (medial); l: carpus (lateral); m: male first pleopod; n: endopod of second pleopod. Scale bar indicates I mm (a, b), 0.5 mm (c, e, f) or 0.2 mm (d, g-n). All from ov. fe male (cl 2.25), except m-n from male (cl 3.05). I I

Caridean shrimps from Hansa Bay, I. 131

1992, field no. S921148. KBIN IG 27951/NAT143; I female 1.75 ; Laing Island eastern side, 10 m depth, from cJ 1.80; Laing Island lagoon, NW side, 6 m depth, from Lobophyllia cf. corymbosa (FORSKAL) (Scleractinia), leg. S. muddy substrate, collected by suction sampler, leg. H. DE GRAVE, 17 October 1993; field no. S931120. KBIN WILKINS , 15 October 1992, field no. S92/161. KBIN 28053/ 2795 1/NATI62; 2 ov. females cll.25-1.40, I female cll.IO; NATI44; 3 specimens cl l .50-1.60; Hansa Bay, Davit Wreck, Laing Island lagoon, NW side, 10m depth, from Acropora 10m depth, from coral rubble, leg. S. DE GRAVE, 23 Septem­ echinata (Scleractinia), leg. S. DE GRAVE, 4 October 1992; ber 1993; field no. S93/5. KBIN 28053/NATI45; 7 speci­ field no. S92/122. mens (incl. 2 ov. females) cl 2.50-2.95; Laing Island eastern side, 40 m depth, from coral rubble, leg. S. DE GRAVE, 23 REMARKS September 1993; field no. S93/8. KBIN 28053/NAT146; 4 specimens cJ 1.05-2.1 0; Hansa Bay, Davit Wreck, I 0 m The characteristics which distinguish P. rotwnana from P. depth, from cavities on outside of Hyotissa hyotis (Bivalvia), pottsi are discussed under that species. Considerable varia­ leg. S. DE GRAVE, 29 September 1993; field no. S93/29. tion was noted in the development of the post-orbital ridge KBIN 28053/NAT147; 4 specimens cJ 1.50-1.80; Laing Is­ and the presence of a supra-orbital tubercle. In many speci­ land eastern side, 15 m depth, from coral rubble, leg. S. DE mens the ridge and tubercle were completely absent, in oth­ GRAVE, 30 September 1993; field no. S93/40. KBIN 28053/ ers a ridge is present but no tubercle (Fig. Sa). Variation was NAT148 ; I female cl 2.60, 1 male cl 1.50; Laing Island east­ also noted in several other characters: development of the ern side, 30m depth, from coral rubble, leg. S. DE GRAVE & mandibular palp, presence or absence of the distal tooth on H. WILKINS, 3 October 1993; field no. S93/51. KBIN 28053/ the merus of the second pereiopod and in the development of NAT149; I female cl 1.55; Laing Island eastern side, 3 m the spines along the ventral border of the propodus of the depth, from coral rocks, leg. S. DE GRAVE & H. WILKINS , 3 ambulatory pereiopods. October 1993; field no. S93/52. KBIN 28053/NAT150; II specimens cl 1.00-3.25; Hansa Bay Duangit Reef, 35 m depth, from coral rocks, leg. S. DE GRAVE & H. WILKINS , 4 DISTRIBUTION October 1993; field no. S93/57.KBIN 28053/NAT151; 3 Widespread in the Indo-Pacific, from the Red Sea and East specimens cl 1.80-2.50; Laing Island lagoon, 4 m depth, Africa to the Marshall Islands and Hawaii; generall y consid­ from holes in dead wood, leg. S. DE GR AVE, 5 October 1993; ered a free-livi ng species, although frequently found on vari­ field no. S93/61. KBIN 28053/NAT !52; 2 specimens cJ 1.60- ous coral genera. Previously recorded from Beagle Bay by 1.80; Laing Island eastern side, I 0 m depth, from dead Nobi li ( 1899, as Periclimenes vitiensis and Periclimenes Acropora colony, leg. S. DE GRAVE, 7 October 1993; field rotumanus, see Holthuis, 1952). no. S93/74. KBIN 28053/NAT153; 5 specimens cJ 1.05-1.60; Lai ng Island eastern side, 10m depth, from coral rubble, en­ crusted with live corals, sponges and ascidians, leg. S. DE Periclimenaeus BORRADAILE, 1915 GRAVE & H. WILKINS, 7 October 1993; field no. S93/75. KBIN 28053/NAT154; 4 specimens cl 1.05-2.60; Hansa Bay, Periclimenaeus bidentatus BRUCE, 1970 Purar I Reef, 10 m depth, from Symphyllia agaricia EDWARDS & HAIME (Scleractinia), leg. H. WILKINS, 11 Oc­ Periclimenaeus bidenrarus BRUCE, I 970b: 305-307. - BRUCE, 199 1: 254; tober 1993; field no. S93/99. KBIN 28053/NAT155; 4 speci­ Fig. IS. mens cJ 0.85-2.05; Hansa Bay, Duangit Reef, 45 m depth, from coral rocks encrusted with small sponges and soft coral, MATERIAL leg. S. DE GRAVE & H. WILKINS , 12 October 1993; field no. S93/104. KBIN IG 28053/NAT156; 6 specimens cJ 0.75- . KBIN 27951/NAT163; I female cl 1.55; Hansa Bay, Mast 2.05; Laing Island eastern side, 6 m depth, from Acropora sp. Wreck, 8 m depth, from unidentified small sponge, leg. H . (Scleractinia), leg. S. DE GRAVE, 13 October 1993, field no. Wilkins, 19 September 1992; field no. S92/81 . KBIN 28053/ S93/107. KBIN 28053/NAT157; I female cl 1.75; Laing Is­ NAT164; 2 females cl 1.05-1.85, I ov. female cl 2.00; Hansa land eastern side, I 0 m depth, from dead Acropora plates, Bay, Mast Wreck, 8 m depth, fTom unidentified small sponge encrusted with sponges, hydroids, soft corals and algae, leg. encrusting large dead Acropora plates, leg. S. DE GRAVE, 13 S. DE GRAVE & H. WILKINS, 13 October 1993; fie ld no. S93/ October 1993; field no. S93/l 09. 109. KBIN 28053/NAT158; I male cl 1.65; Potsdam Island, exposed side, 15 m depth, from coral rocks encrusted with algae, sponges and bryozoans, leg. S. DE GRAVE & H. REMARKS WILKINS , 14 October 1993; field no. S931112. KBIN 28053/ NAT I 59; 1 male cl 1.75; Potsdam Island, exposed side, I 0 m The specimens agree closely with the descriptions by BRUCE depth, from coral rocks encrusted with small li ve corals, (1970b; 199 1); with the bidentate tips of the chelae and the sponges and ascidians, leg. S. DE GRAVE & H. WILKINS, 14 large lateral tooth on the scaphocerite being diagnostic for October 1993; field no. S93/ll 3. KBIN 28053/NAT160; I the species. Two specimens have a rostral dentition of 5/0, male cl 1.40; Potsdam Island, 27 m depth, from coral rocks whilst two other specimens have 7/0. As in the material of encrusted with algae and sponges, leg. S. DE GRAVE & H. BRUCE ( 1991) one specimen has a blunt, non-bidentate dac­ WILKINS , 14 October 1993; field no. S93/ll4. KBIN 28053/ ty lus on the major second pereiopod, whilst the minor chela NATI61; I ov. female cl 2.25, I female cl 2.15, I male cl is clearl y bidentate. Compared to the illustration in BRUCE 132 S. DE GRAVE

( 1991 ), the corpus of the carpus of the third pereiopod has Periclimenaeus rastrifer BRUCE, 1980 fewer teeth. Periclimenaeus rastrifer BRUCE, 1980d: 27-33;·Figs. 12, 13a-b. - BRUCE, 1982b: 267-268; Fig. 21.- BRUCE, 1991: 257-258; Fig. 20. DISTRIBUTION

Known from East Africa, the Great Barrier Reef and New MATERIAL Caledonia; associated with sponges. Not previously re­ corded from Papua New Guinea. KBIN 28053/NATI66; 1 female cl 1.16; Laing Island eastern side, 40 m depth, from coral rubble, leg. S. DE GRAVE, 23 September 1993; field no. S93/8. KBIN 28053/NAT I67; I Periclimenaeus nobilii BRUCE, 1974 female cl 1.00; Laing Island eastern side, 20 m depth, from coral rubble, leg. S. DE GRAVE, 30 September 1993; field no. Periclimenaeus nobilii BRUCE, 1974b: 1577-158 1; Figs. 13f, 14. - BRUCE, S93/4 1. 1991: 254-256; Fig. 19. REMARKS MATERIAL Both specimens agree closely with previous descriptions, KBIN 28053/NAT165; I ov. female cl 1.41 , I male cl 1.25; with the spatulate chelae of the first pereiopod, the Laing Island, eastern side, from coral rubble with live tuberculation on the palm of the chelae of the second Seriatopora hystrix and encrusting sponges, ascidians, 15 m pereiopod and the tuberculation on the ventral border of the depth, leg. S. DE GRAVE, 26 September 1993; field no. S93/ ischium and merus of the second pereiopod being character­ 18. istic fo r this species. Both specimens harbour a well devel­ oped post-orbital ridge, with terminates in a distinct post-or­ bital tubercle in the smaller specimen. The rostral dentition REMARKS of the larger specimen is 6/0 and 511 for the smaller speci­ Both specimens agree closely with the type description, al­ men. The fingers of the chela of the first pereiopod are 0.45- though some differences were noted. Also, both specimens 0.55x length of the chelae, whilst the length-width ratio of I. differ from each other in a few characteristi cs. Both speci­ the palm of the second pereiopod is 1.91 : I or 1.97: The mens have a well developed postorbital tubercle and the cut­ dactylus of the first pereiopod terminates in two teeth in the larger specimen, but only a single teeth in the smaller speci­ ting edge of the chela of the minor second pereiopod being sinuous and denticulate, with the denticles increasing in size men. Both specimens harbour four single spines on the distally. The propodus of the third pereiopod is approx. 4.2x propodus of the third pereiopod, in addition the larger disto­ as long as wide, with the ventral border of the dactylar mar­ ventral spines are dorsall y denticulate. In addition to the gin between the basal and distal teeth being straight. The biunguiculate tip of the dactylus, 4 large denticles are present along the ventral border. female has a rostral dentition of 3/0, with the antero-lateral margin of the carapace produced into a membranous lobe, although less developed than in Periclimenaeus storchi DISTRIBUTION BRUCE, 1989. The male specimen has a rostral dentition of 4/ 0, with no membranous lobe. The major second pereiopod is Only known from New Caledonia, Heron Island and Hong lacking in the female, in the male the cutting edge of the dac­ Kong; associated with Porifera. tylus appears entire, non-denticulate. Periclimenaeus nobilii belongs to a group of closely related, ascidian inhabiting, species, consisting of: P nobilii BRUCE, Periclimenella BRUCE, 1994 1974; P diplosomatis BRUCE, 1980c; P storchi BRUCE, I 989; P zarenkovi D UR IS, 1990; and P myora BRUCE, 1998c. Periclimenella spinifera (DE MAN, 1902) As onl y minor differences separate the species, and with most species only known from a single or a few specimens, Peric/imenes petiulwuarsii wu: spini(era DE MAN, 1902: 824. the status of some of these species appears doubtful. Periclimenes spiniferus.- BRUCE, 1976b: 95-97; Figs. 5-6. Periclimenella spinifera. - DURIS & BR UCE, 1995: 656-661; Figs. 19-20.

DISTRIBUTION MATERIAL

Known onl y from the Red Sea, La REunion and New Cal­ KBIN 2795 1/NATI 68; 3 ov. females cl 1.95-2.50, I female edonia, although Bruce ( 1998c) considers that some of the cl 1.30, 2 males cl 1.50-2.50; Laing Island lagoon NW side, material from New Caledonia may belong to an undescribed I 0 m depth, from Seriatopora hystrix (Scleractinia), leg. S. species. De Grave, 4 October 1992; field no. S92/1 2 1. KBIN 2795 1/ NAT169; 1 male cl 1.50; Laing Island Western Reef, 3 m depth, from Seriatopora hystrix (Scleractinia), leg. S. De Grave, 14 October 1992; field no. S921157. I I

Caridean shrimps from Hansa Bay, I. 133

DISTRIBUTION MATERIAL

Widespread in the Indo-West Pacific, excluding north-west­ KBIN 2795 1/NAT177; I female cl 1.85; Laing Island la­ ern Indian Ocean and Red Sea. Previously recorded from goon, I 0 m depth, from unidentified crinoid, leg. S. DE Papua New Guinea by NOBILl (1899) (as Palaemone/la GRAVE , 14 September 1992; field no. SCR92/5. KBIN tridentata, see HOLTHUIS , 1952) 2795 1/NAT178; I female cl 1.20, I male cl 0.75 ; Hansa Bay, Duangit Reef, 25m depth, from unidentified crinoid, leg. S. DE GRAVE & H. WILKINS , 18 September 1992; field no. SCR92/16. KBIN 2795 1/NATI79; I ov. female cl 3.00, I Periclimenes COSTA , 1844 male cl 1.50; Hansa Bay, Wanginam Reef, 15m depth , from unidentified crinoid, leg. H. WILKINS , 20 September 1992; Periclimenes affinis (ZEHNTNER, 1894) field no. SCR92/22. KBIN 28053/NAT180; I ov. female cl 3.80, I male cl 4.00; Hansa Bay, Duangit Reef, 30m depth, Pa/rrmonel/a ajjinis ZEHNTNER, I894: 206-208; Plate 9, fi g. 27-27a. from unidentified crinoid, leg. S. DE GR AVE, 4 October 1993; Periclimenes (Hwpilius) ajjinis (non Periclimenes (Falciger) a[(inis field no. SCR93/9. KBIN 28053/NATJ81 ; I ov. female cl BORRADAILE, !915).- HOLTHUIS, 1958: 6-8; Fig. 2. 3.80, I male cl 3.20; Hansa Bay, Duangit Reef, 30 m depth, Periclimenes afflnis (non Periclimenes ( Falciger) a{finis BORRADAIL E, 191 5) .- BRUCE, I980d: 2-8; Figs. 1- 3. - BRUCE, !983b: 874; Fi g. 7a. from unidentified crinoid, leg. S. DE GR AVE, 4 October 1993; field no. SCR93/J 3. KBIN 28053/NATI82; 4 specimens cl 0.75-1.55; Hansa Bay, Duangit Reef, 15m depth, from uni­ MATERIAL dentified crinoid, leg. S. DE GRAVE, 5 October 1993; field no. SCR93/20. KBIN 27951/NATJ70; 9 specimens cl 1.00-2.40; Hansa Bay, Wanginam Reef, I 5 m depth, from unidentified crinoid, leg. DISTRIBUTION H. WILKINS , 20 September 1992; field no. SCR92/21 . KBIN 28053/NATI71 ; I female cl 1.85, I male cl 1.60; Hansa Bay, Known from Indonesia, Queensland, New Caledonia, the Duangit Reef, 30m depth, from unidentified crinoid, leg. S. Marshall Islands and the Ryukyu Islands; associated with DE GRAVE, 4 October 1993; field no. SCR93/10. KBIN crinoids. Not previously recorded from Papua New Guinea. 28053/NATI72; 6 specimens cl 1.00-2.80; Hansa Bay, Duangit Reef, 30 m depth, from unidentified crinoid, leg. S. DE GR AV E, 4 October 1993; field no. SCR93/J I. KBIN Periclimenes amymone DE MAN , 1902 28053/NAT173; 7 specimens cl 0.75-2.80; Hansa Bay, Duangit Reef, 30m depth, from unidentified crinoid, leg. S. Periclim enes lliii)'IIIOII e DE M AN, !902: 829; Plate 25, fig. 53. - BRUCE, DE GRAVE, 4 October 1993; field no. SCR93/12. KBIN !980a: 262-264; fi g. le- i.- BRUCE, !983b: 875 -879 ; Fig. 7c . - D E GRAVE, 28053/NATI74; 9 specimens cl 1.50-2.75; Hansa Bay, !999a: 25 . Duangit Reef, 6 m depth, from unidentified crinoid, leg. S. DE GRAVE, 4 October 1993; field no. SCR93/15. KBIN MATERIAL 28053/NATI75; I ov. female cl 2.5, 2 males cl 1.00-1.25; Hansa Bay, Duangit Reef, 15 m depth, from unidentified KBIN 27951/NATJ83; 17 specimens cl2.40-3.30; Laing Is­ crinoid, leg. S. DE GRAVE, 5 October 1993; field no. SCR93/ land, eastern side, 3m depth, from tabletop Acropora sp., leg. 18 . KBIN 28053/NATI76; I ov. female cl 2.95, 2 males cl S. DE GRAVE & H. WILKINS, 16 October 1992; field no. S92/ 1.25-1.70; Laing Island, eastern side, 15m depth, from uni­ 170. KBIN 2795 1/NATI84; 1 ov. female cl 2.55, I male cl dentified crinoid, leg. P. VANDER WALLE & J. -M. THEATE, 5 1.60; Hansa Bay Awar Wreck, 6 m depth , from Pocillopora October 1993; SCR93/26. damicornis, leg. S. DE GRAVE, 10 October 1992; field no. POC93/36. KBIN 28053/NAT185; I male cl 2.25; Laing Is­ DISTRIBUTION land eastern side, I 5 m depth, from Seriatopora hystrix, leg. S. DE GRAVE, 26 September 1993; field no. 593/18. KBIN Known from Indonesia, Australia (Queensland, Cobourg Pe­ 2805 l/NAT186; I ov. female cl 2.85, 2 males cl 2.05-2.50, 2 ninsula), New Caledonia, South China Sea and the Ryukyu juveniles cl 1.00-1.05; Laing Island lagoon, 5 m depth, from Islands; associated with crinoids. Not previously recorded Pocillopora damicornis, leg. H. WILKINS , 10 October 1993; from Papua New Guinea. field no. POC93/39. KBIN 28051/NATl87; 21 specimens cl 1.80-4.00; Laing Island, eastern side, I 0 m depth, from plate­ like Acropora sp. , leg. H. WILKI NS, 24 October 1993, fie ld no. 593/125. Periclimenes amboinensis (DE M AN, 1888) REMARKS Anchistia amboinensis DE MAN, 1888: 546; Plate 22a, fi g. 2. Periclimenes amboinensis.- BRUCE, 19 83b: 874-875; Fi gs. A few specimens lacked either the disto-ventral spine on the 1-3, 7e.- BRU CE, 1992: 66-69; Figs. 17-1 8.- BRUCE, 1996: merus and/or the carpal spines of the second pereiopod. Nu­ 23 1-232; Figs. II h-i, 28f. merous more specimens of this species were coll ected as part II

134 S. DE GR AVE

of an ecological study of the decapod community occurring DISTRIBUTION with Pocillopora damicomis (Scleractinia) in Hansa Bay (DE GR AVE, unpublished). Widespread in the Indo-Pac ific, from the Red Sea and East Africa to Polynesia; associated with several species of giant anemones. Previ ously recorded from Madang (Papua New DISTRIBUTION Guinea) by MORGAN (1988). Widespread in the Indo-Pacific, from the Nicobar Islands to Samoa and the Ryukyu Islands; associated with both acroporid and pocilloporid corals. Previously recorded from Periclimenes ceratophthalmus BORRA DAILE, 19 15 Hansa Bay, Papua New Guinea by DE GRAVE (1999a).

Periclimenes (Co rniger) ceratophthalmus BORRADAILE, 19 15: 2 11. - BORRADAILE, 1921: 365 ; Pl ate 54, fi g.9 Periclimenes attenuatus BRUCE, 1971 Periclimenes ceratophthalmus. - BRUCE, 1980a: 264-265; Fi g. lj-n. - BRUCE, 1983 b: 880-883; fi gs. 4e-d , 5, 6a-c, 7. Periclimenes al/enuatus BRUCE, 197 1: 533-543; Figs. 1-5.- BRUCE, 1992: 69; Fig. 19. MATERIAL

MATERIAL KBIN 27951/NATI95; I female cl 1.50, I male cl 1.50; Hansa Bay, Mast wreck, 4 m depth, from unidentified KBIN 27951/NAT188; I female cl 2.05, 1 male cl 2. 10 ; crinoid, leg. S. DE GRAVE & H. WILKI NS, 19 September Laing Island lagoon, 10m depth, from unidentified crinoid, 1992; fi eld no. SCR92/l7. KBIN 27951/NAT1 96; I female leg. S. DE GRAVE, 14 September 1992; field no. SCR92/6. cl 1.60, I male cl 1.75; Hansa Bay, Mast wreck, 4 m depth, KBIN 27951/NATI 89; 1 male cl 1.95; Laing Island , exposed from unidentified crinoid , leg. S. DE GRAVE & H. WILKI NS , side, 15 m depth, from unidenti fied crinoid, leg. S. DE 19 September 1992; fi eld no. SCR92/J 8. KBIN 27951 I GRAVE , 24 September 1992; fi eld no. SCR92/35. KBIN NATI 97; I fe male cl 1.25, I male cl 1. 25; Hansa Bay, Mast 28053/NAT1 90; 4 specimens cl 1.00-1.05; Hansa Bay, wreck, 4 m depth, from unidenti fied crinoid , leg. S. DE Duangit Reef, 1 m depth, from unidentified crinoid , leg. S. GR AVE & H. WILKI NS, 19 September 1992; field no. SCR92/ DE GR AVE , 4 October 1993; field no. SCR93/J4. KBIN 19. KBIN 27951/NAT198; 4 specimens cl 1. 25-3.00; Hansa 28053/NATI 9 1; 1 fe male cl 1.85; Hansa Bay, Duangit Reef, Bay, Wangin am Reef, 15 m depth, from unidentified crinoid , 6 m depth, from unidentified crinoid, leg. S. DE GRAVE, 4 leg. H. WILKI NS, 20 September 1992; field no. SCR92/2 1. October 1993; field no. SCR93/J6. KBIN 28053/NAT1 92; 2 KBIN 27951 /NAT199; 3 specimens cl 1.00-2. 10 ; Hans a Bay, ov. females cl 2.40-3.00, 1 fe male cl 1.90, 1 male cl 1.40; Wangin am Reef, 15m depth, from unidentified crinoid, leg. Laing Island, eastern side, 15 m depth, from unidentified H. WILKI NS, 20 September 1992; fi eld no. SCR92/23. KBIN crinoid , leg. P. VAN DER WALLE & J.-M. THEATE, 5 October 27951/NAT200; 1 female cl 1.20, 1 juvenile cl 0.60; Hansa 1993; fi eld no. SCR93/22. Bay, Awar wreck, 6 m depth, from unidentified crinoid, leg. H. WILKI NS, 24 September 1992; fi eld no. SCR92/28. KBIN 27951/NAT20 I; 2 females (bopyri sed) cl 1.75-2.25; Han sa DISTRIBUTION Bay, Awar wreck, 6 m depth, from unidentified crinoid, leg. H. WILKIN S, 24 September 1992; field no. SCR92/30. KBIN Known fr om Queensland, Indonesia and the Duke of York 27951/NAT202; 1 ov. female cl 3.00, 1 male cl 1.90; Hansa Islands in Papua New Guinea; associated with crinoids. Bay, Awar wreck, 6 m depth, from unidentified crinoid, leg. H. WILKINS , 24 September 1992; fi eld no. SCR92/32. ~

Periclimenes brevicarpalis (SCHENKEL, 1902) DISTRIBUTION Ancylocaris brevicarpalis SCHENKEL, 1902: 653; Pl ate 13, fi g. 2 1a-2 1m. Periclimenes ( Harpilius) brevicw palis. - HOLTH UIS, 1952: 69-73; Fi g. 27.­ Recorded from East Africa, Seychelles, Maldives, Indonesia, MO NO D, 1976: 24 ; Figs. 47 -48. Great Banier Reef, Solomon lsi. and the Palau Islands; asso­ Peric/imenes brevicwpalis. - BRUCE, 1983b: 879-880; Fig. 7d-e. - ciated with crinoids. Not previously recorded fro m Papua FRA NSEN, 1989: 133-136; Fig. I. New Guinea.

MATERIAL

KBIN 28053/NATI 93; 4 specimens cl 0.60-2.00; Laing Is­ Periclimenes commensalis BORRADA ILE, 19 15 land, lagoon, 5 m depth, from Macrodactyla do reensis (QUOY & GAIMARD) , leg. S. DE GR AVE & H. WILKINS , 28 Periclimenes (Cristiger) commensalis BORRADA ILE, 19 15: 2 11. - B ORRADAILE, 192 1: 364. September 1993; field no. S93/23. KBIN 28053/NAT1 94; 4 Peric/imenes ( Periclimenes) co111 mensalis. - HOLTHUIS, 1952: 53-56; Figs. ov. females cl 2.40-5 .00, I male cl 4.5; Laing Island , lagoon, I8- 19. - MO NOD, I976: 145 -1 47 ; Fi gs. 44-5 1. I m depth, from unidentified actinari an, leg. S. DE GR AVE & Periclimenes conunensalis. - BRuZE, 1980a: 265; Figs. I o-r. - BRUCE, H. WIL KINS , 3 October 1993; field no. S93/45 1996: 232 ; Figs . 12a-g. II

Caridean shrimps from Hansa Bay, I. 135

MATERIAL Periclimenes ensifrons (DANA, 1852)

KBIN 27951/NAT203; 7 specimens cJ 1.10-1.95; Hans a Bay, Anch istia emi.frons DA NA, 1852a: 25.- DANA, 1852b: 580.- DA NA, 1855: Duangit Reef, 20m depth, from unidentified crinoid, leg. S. 580; Plate 38; figs. Ia-g. DE GRAVE & H. WILKINS , 18 September 1992; field no. Periclimenes (Ancy/ocaris) ensifrons.- KEMP, 1922: 209-210. Periclimenes ensifrons. - CHACE & BRUCE, 1993: Ill SCR92/10. KBIN 27951/NAT204; I ov. female cl 1.80; Hansa Bay, Duangit Reef, 20 m depth, from unidentified crinoid, leg. S. DE GRAVE & H. WILKINS , 18 September MATERIAL 1992; field no. SCR92113. KBIN 27951/NAT205; 1 male cl 2.00; Hansa Bay, Wanginam Reef, 15m depth, from uniden­ KBIN 28053/NAT2I2; I ov. female cl 2.40; Laing Island tified crinoid, leg. H. WILKINS , 20 September I 992; field no. eastern side, 3 m depth, from coral rubble, leg. S. DE GRAVE, SCR92/24. KBIN 27951/NAT206; 1 male cl I .25; Hansa 24 September I993; field no. S93/9. KBIN 28053/NAT213 ; Bay, Wanginam Reef, I 5 m depth, from unidentified crinoid, I ov. female cJ 2.50; Laing Island lagoon, 5 m depth, from leg. H. WILKINS, 20 September 1992; field no. SCR92/25. floating dead wood, leg. S. DE GRAVE, 24 September 1993; KBIN 2795 I/NAT207; 3 specimens cJ 1.40-1 .85; Hansa Bay, field no. S93/l 0. KBIN 28053/NAT214; I ov. female cl 2.50, Wanginam Reef, 15m depth, from unidentified crinoid, leg. 2 females cl 2.35-2.80; Hansa Bay, Du angit Reef, 35 m H. WILKINS , 20 September 1992; field no. SCR92/26. KBIN depth, from coral rock, leg. S. DE GRAVE, 24 September 27951/NAT208; I female cl 1.25, 2 males cl 1.25-1.75 ; 1993 ; field no . S93/57. KBIN 28053/NAT215; I ov. female Hans a Bay, Wanginam Reef, I 5 m depth, from unidentified cl 3.50; Hansa Bay, near Awar village, intertidal rock pool, crinoid, leg. H. WILKINS, 20 September 1992; field no . quinaldine poisoning, leg. S. DE GRAVE & H. WILKINS , 10 SCR92/27. KBIN 28053/NAT209; I ov. female cJ 1.80; October 1993; field no. S93/87. KBIN 28053/NAT216; 3 ov. Hansa Bay, Duangit Reef, exposed side,3 m depth, from uni­ females cJ 2.75-3.10, 2 females cl 2.50-3.10; Hansa Point, dentified crinoid, leg. S. DE GRAVE, 4 October I 993 ; field no . intertidal rock pool, quinaldine poisoning, leg. S. DE GR AVE SCR93/8. KBIN 28053/NAT210; 1 ov. female cJ 2.00; Hansa & H. WILKINS , 11 October I 993; field no . S93/93. Bay, Duangit Reef, I 5 m depth, from unidentified crinoid, leg. S. DE GRAVE, 5 October 1993; field no. SCR93/19. DISTRIBUTION

DISTRIBUTION Sparsely recorded in the Indo-Pacific, from the Red Sea to French Polynes ia. Previously recorded from Papua New Widespread in the Indo-West Pacific, from East Africa to Guinea by NOBILl (1899). Queensland and the Solomon Islands; associated with sev­ eral crinoid genera and species. Not previously recorded from Papua New Guinea. Periclimenes grandis (STIMPSON , 1860)

Anchistia grandis STIMPSON, 1860: 39. Periclimenes elegans (PAUL' SON, I 875) Peric/imenes vitiensis BORRADAILE, 1898:383.- BR UCE, 1978b : 266; Fig. 9. Periclimenes (Ancylocaris) grandis.- KEMP, 1922: 210-2 14; Fi gs. 58-59; Anchistia elegans PAU L'SON, 1875: I 13; Plate 17, figs. !a-h. Plate 7, fig. 10. Peric/imenes (Falciger) dubius BORRADAILE, I915: 21 I. Periclimenes (Ancyloca ris) elegans. - KEMP, I922: 2 I5-2 I9; Figs. 60-63. Periclimenes (Hwpilius) e/egans. - HOLTHUIS, 1952: 81 -82; Fig. 31.­ MATERIAL MIYAKE & FUJI NO, 1968: 406-408; Fig. 3a-b. KBIN 27951/NAT217; 3 ov. females cl 2.15-4.00; Laing Is­ MATERIAL land eastern side, intertidal reef flat, from broken coral rock, leg. S. DE GRAVE & H. WILKINS, 6 September 1992; field no . KBIN 28053/NAT211; 17 specimens cl 2.25-4.1 0; Laing Is­ S92/38. KBIN 27951/NAT218; 2 females cJ 1.60-2.50, 1 land eastern side, intertidal Reef flat, rock pool, quinaldine male cl 2.1 0; Laing Island eastern side, intertidal reef flat, poisoning, leg. S. DE GRAVE & H. WILKINS , 9 October I 993; from broken coral rock, leg. S. DE GRAVE & H. WILKINS , 23 field no. S93/81. September 1992; field no. S92/95. KBIN 28053/NAT219; 2 ov. females cJ 3.00-3.25, 3 females cl 1.50-2.25 ; Hansa Bay, REMARKS Duangit Reef, western side, from coral rubble, 5 m depth, leg. S. DE GRAVE, 25 September 1993 ; field no . S93!16. Several of the smaller specimens only harboured a single KBIN 28053/NAT220; I ov. female c1 1.85; Hansa Bay, tooth and a reduced tubercle on the carpus of the second Purar I Reef, from coral rubble, 15 m depth, leg. S. DE pereiopod, rather than two teeth. GRAVE, 12 October 1993 ; field no. S93/16.

DISTRIBUTION DISTRIBUTION

Widespread in the Indo-Pacific, from the Red Sea and East Widespread in the Indo-Pac ific, from the Red Sea and East Africa to the Marshall Islands. Africa to Queensland and Japan. I I

136 S. DE GRAVE

Periclimenes holthuisi BRUCE, 1969 dentified ball-shaped, yellow sponge at the base of Pocillopora sp. , leg. H. WILKINS, 7 October 1992, field no. Periclimenes lwlthuisi BRUCE, 1969: 258-259.- MONOD, 1969: 216-220; S921134. KBIN IG 28053/NAT227; 5 specimens cl 1.20- Figs. 69-73.- FRANSEN, 1989: 139-143; Figs. 4a, 5a-b, 6a-f, 7a-g. 2.35; Laing Island, eastern side, seagrass bed, 10 m depth, from unidentified large sponge, leg. S. DE GRAVE, 3 October MATERIAL 1993, field no. S93/47.

KBIN 28053/NAT221 ; I male cl 2.75; Hansa Bay, Duangit DISTRIBUTION Reef, western side, 20m depth, free living, leg. S. DE GRAVE, 25 September 1993; field no. S93111. Widespread in the Indo-Pacific, from the East Africa to New Caledonia; associated with several genera of Porifera, usu­ DISTRIBUTION ally on the surface of the host. Not previously recorded from Papua New Guinea. Widespread in the Indo-Pacific; associated with a range of Scleractinia and Actinaria. Previously reported from Madang (Papua New Guinea) by BRUCE (1977a). Periclimenes inornatus KEMP , 1922

Periclimenes (A ncy/ocaris) inomatus KEM P, 1922: 191-194; Figs. 43-46. BRUCE, 1967 Periclimenes inomarus. - BRUCE, 1976b: 103-1 06; Figs. 10-11. - BRUCE, 1980b: 390. - Fransen, 1989: 136; Fig. 2 Periclimenes imperator BRUCE, 1967: 53-62; Figs. 23-25. - BRUCE, 1982c: 204. MATERIAL

MATERIAL KBIN 2795 1/NAT228; I ov. female cl 7.00, I female c12.50; Laing Island, lagoon, 6 m depth, from Actinodendron KBIN IG 2795 I /NAT222; I female cl 2.60; A war seagrass plurnosum HADDON, leg. S. DE GRAVE & H. WILKINS, 15 bed, Hansa Bay, 5m depth, from Stichopus variegatus SEM­ October 1992; field no. S921160. KBIN 28053/NAT229; 6 PER, legS. DE GRAVE, I October 1992, field no. S92!13. specimens cl 1.1 0-2.20; Hansa Bay, Davit wreck, I 0 m KBIN IG 27951/NAT223; 10 specimens cl 1.30-3.70, I ov. depth, from Heteractis magnifica (QUOY & GAIMARD) , leg. female cl 7.00; Laing Island Lagoon, I 5 m depth, from S. DE GRAVE, 29 September 1993; field no. S93/32. KBIN Euapta godeffroyi (SEMPER), leg. D. Van Der Spiegel, 3 Oc­ 28053/NAT230; 3 specimens cl 1.40-2.00; Hansa Bay, tober 1992, field no. S92/30. KBIN IG 28053/NAT224; I fe­ Wanginam Reef, 5 m depth, from HETER ACTIS CRISPA male cl 2.8 5; Bisal Paap Reef, 30 m depth , from (EHRENBERG) , leg. H. WILKINS, I 0 October 1993; field no. sanguineus (ROPPELL & LEUCKART), leg. S. S93/86. KBIN 28053/NAT231; 2 females (bopyrised) cl DE GRAVE, 25 October 1993, field no. S93!133. 1.50-2.00; Hansa Bay, Bisal Paap Reef, 30 m depth, from Actinodendron plumosum, leg. S. DE GRAVE, 20 October 1993; field no. S931135. DISTRIBUTION

Widespread in the Indo-West Pacific, associated with both DISTRIBUTION Nudibranchia and Holothuroidea (various genera). Not pre­ viously recorded from Papua New Guinea. Known from several locati on in the Indo-West Pacific, from Kenya to Fiji and the PalauJslands. Not previously recorded from Papua New Guinea. The association with Actina­ Periclimenes incertus BORRADAILE, 191 5 dendron plumosurn presents a new host record.

Peric/imenes (Cristiger) incertus BORRADA ILE, 1915: 210. - BORRADAILE, 192 1: 364; Plate 53, fig. 7. Periclimenes kempi BRUCE, 1969 Periclimenes impar KEMP, 1922: 147-149; Figs. 16- 17 ; Plate 3, fig. I. Periclim enes (Periclimenes) in ce rtus. - HOLTHUIS, 1959: 193- 194. - LEDOYER, 1984: 30; Fig. 13. Periclimenes kempi BR UCE, 1969 : 260-262.- BR UCE, 1981 b: 80-8 1; Fig. 2 Peric/imenes in certus. - BRUCE, 1977c: 268-269; Fig. 3.- BRUCE, 1980d: 10-13; Figs. 4f-k, 5a-c. MATERIAL

MATERIAL KBIN 2795 1/NAT232; 7 specimens cl 0.40-1.1 0; Laing Is­ land lagoon, unnamed wreck, 5 m depth, from unidentified KBIN IG 2795 1/NAT225; 3 ov. females cl 1.50-1.75, I male soft coral, leg. S. DE GRAVE, 7 September 1992; field no. cl 0.80; Hansa Bay, Davit Wreck, 9 m depth, from unidenti­ S92/40. KBIN 28053/NAT233; 2 specimens cl 1.10-1.25; fi ed large sponge, leg. H. WILKI NS, I September 1992, field Laing Island, eastern side, I 0 m depth, from coral rubble en­ no. S92/15. KBIN IG 27951/NAT226; 4 specimens cl 0.90- crusted with corals, sponges and soft corals, leg. S. DE 1.65 ; Hansa Bay, Sushi Maru Wreck, 11 m depth, from uni- GR AVE & H. WILKI NS, 7 October 1993; field no. S93/75. I I

Caridean shrimps fro m Hansa Bay, I. 137

KBIN 28053/NAT234; 6 specimens (I ov. female, I Periclimenes lutescens (DANA, 1852) bopyrised) cl 0.85-1.75; Hansa Bay, Purar I Reef, 10 m depth, from unidentified soft coral, leg. S. DE GR AVE, II Harpiliu s /urescens DANA, 1852a: 25.- DA NA, 1852b: 576.- DA NA, 1855: October 1993; field no. S93/96. 12; Plate 37, fi gs. 4-4h. . Peric/imenes (HW! Ji /ius) /u/eSCe.JIS.- HOLTHU IS, 1952: 88-91; Fig. 35. Peric/imenes lu rescens. - BRUCE, 1972a: 4 12; Fig. lb. - BRUCE, 1980a: DISTRIBUTION 261-262; Fig. l a-d.

Known from the Red Sea, East Africa, Seychelles, Andaman MATERIAL Islands, Singapore, Australia (Heron Island , Cobourg Penin­ sula, Darwin Harbour) and Fiji; associated wi th alcyonarians KBIN 27951/NAT236; I female cl 1.70, 1 male cl 1.35; and the coral genus Alveopora. Not previously reported from Laing Island lagoon, NW side, from Pocillopora damicomis, Papua New Guinea. leg. S. DE GR AVE, 4 October 1992; fi eld no. S92!117.

REMARKS Periclimenes lacertae BRUCE, 1992 Although this species has onl y been found in associati on Periclimenes la certae BR UCE, 1992: 46-53; Figs. 1-6. with corals of the genus Acropora, bei ng repl aced by the closely related Periclimenes consobrinus DE MAN , 1902 (see MATERIAL BRUCE, 1977a), the examination of the second maxilliped (see BRUCE, 1972a) confirms the identity of the present KBIN 28053/NAT235; 1 ov. female (damaged) cl 2.95; specimens. Laing Island, eastern side, from coral rubble with live Seriatopora hystrix, 15 m depth, leg. S. DE GR AVE, 26 Sep­ DISTRIBUTION tember 1993; field no. S93/1 8. Widespread in the Indo-Pacific, from the Red Sea and East Afri ca to French Polynesia, Vietnam and the Ryukyu Islands; REMARKS usuall y associated with corals of the genus Acropora. Not previously recorded from Papua New Guinea, the associa­ The present specimen has a rostral dentition of 9/5, wi th a ti on with Pocillopora damicornis is a new host record. straight, hori zontal rostrum overreaching the scaphocerite. A distinct median process is present on the fourth thoracic sternite. The third pereiopod has a non-segmented, spinulate Periclimenes madreporae BRUCE, 1969 propodus. The second pereiopods are similar and equal, with the chelae being subequal in length to the carpus; the fingers Periclim enes madreporae BRUCE, 1969: 262-263. - BRUCE, 1980a: 265- are approx. 0.39x total length of the chelae; both ischium 267; Fig. 2a-f. - Bruce, 1995: 132. and merus harbour a distinct distoventral tooth . The fixed Peric/imenes (HW!Ji /iu s) ino rn arus.- PATTON, 1966: 274-275; Fig. 2 (non finger of each chelae has 3 large denticles in its proximal Peric!im enes inornarus KEMP, 1922) part, whilst the movable finger has 2 large denticles. The male holotype of P lacertae has non-equal, dis-similar sec­ MATERIAL ond pereiopods, with the fin gers of the chelae exhibiting a di fferent armament and also has a di fferent rostral formula KBIN 27951/NAT237; 2 ov. females cl 1. 28-1.31 , I male cl (BRUCE, 1992). Only two species · of Periclimenes have 1.00; Laing Island eastern side, ·4 m depth, from Pocillopora distoventral teeth on the ischium of the second pereiopod: P damicornis, leg. S. DE GRAVE, 10 October 1993; field no. lacertae and Periclimenes ischiospinosus BRUCE, 1991. Of POC92/31. KBIN 28051/NAT238; 2 ov. females cl 1. 25- these P ischiospinosus does not harbour a median process on 1.30, 3 females cl 1.20-1.45; Hansa Bay Duangit Reef, 3 m the fourth thoracic sternite (BRUCE, 1991; 1992), immedi­ depth, from Pocillopora damicornis , leg. H. WILKINS , 13 ately distinguishing it from the present specimen. October 1993; field no. POC93/4. KBIN 2805 1/NAT239; 1 Periclimenes tenuipes BORRADA ILE is closely related to P ov. female cl 1.00; Laing Island eastern side, 7 m depth, from lacertae, but can be immedi ately distingui shed by the ab­ Pocillopora damicornis, leg. S. De Grave, 15 October 1993; sence of the ischial tooth and by the presence of segmented, field no. POC93/36. non- spinulate propodi of the ambulatory pereiopods. Hence, the present specimen is refeiTed to P lacertae, although the REMARKS di fferences with the type description may indicate this to be a different, unnamed taxon. The present materi al agrees closely with the type description, with the onl y difference being the presence of a distinct ri dge DISTRIBUTION on the fo urth thoracic sterni te, similar in shape to the illustra­ ti on in BRUCE (1976b) for the closely related Periclimenes Previously onl y known from the type locality: Lizard Island, rnahei BRUCE, 1969, although more elevated. Although this Great Ba1Tier Reef. ridge was not mentioned in the type description, it is present I I 138 S. DE GRAVE

(C. FRA NSEN pers. comm.) in the holotype (RMNH Periclimenes platycheles HOLTHUIS , 1952 D47758). The number of dorsal rostral teeth varied from 5-7, with a single ventral tooth always being present; a single Periclimenes (Harpilius) platycheles HOLTHUIS , 1952: 85- specimen had a rostral formula of 7/3. 87; Fig. 33.- MIYAKE & FUJINO , 1968: 409-4I0; Fig,. 3c-f. ?Periclimenes platycheles. - BRUCE, 1983c: 196. -BRUCE, 1992: 62-64; Fig. IS. DISTRIBUTION

Previously known from Queensland, Cobourg Peninsula, MATERIAL Lord Howe Island (Australia), Solomon Islands, French Polynesia and La Reunion; associated with several coral gen­ KBIN IG 28056/NAT299; I female cl I .80; Laing Island, era. Not previously recorded from Papua New Guinea. eastern side, IS m depth, from Seriatopora hystrix DANA , leg. S. DE GRAVE & H. WILKINS , 26 September I993, field no. S93/I 8.

Periclimenes omatus BRUCE, I 969 REMARKS

Periclimenes omatus BRUCE, 1969: 266-267.- BRUCE, 1982b: 252-255; Figs. 11-12.- Fransen, 1989 : 136-138; Fig. 3a-i. The single female specimen has a long, upturned rostrum, overreaching the antenna! scale by nearly 0.18 of its length. The rostral dentition is 1+6/5 . The third maxilliped harbours MATERIAL a rudimentary arthrobranch and a well developed coxal lobe. The antenna! scale is 4.3x as long as wide, with a highly con­ KBIN 28053/NAT240; I ov. female cl3.75, 1 female cl2.05; cave lateral margin, a truncate distal margin with the teeth Laing Island lagoon, from Entacmaea quadricolor (RUPPEL distinctly overreaching the lamella. The first pereiopods are & LEUCKART) , leg. S. DE GR AVE, 29 September I 993; field relatively short and robust, with the chelae being 0.70x no. S93/33. length of the carpus, both ischium and merus also being shorter than the carpus (0.54 and 0.74 respectively). The fin­ DISTRIBUTION gers of the chelae are 0.37x the length of the palm, medially gaping, with the lateral margin denticulate and with bifid Sparsely recorded from the Red Sea to Japan and southern tips. Both second pereiopods are present and closely resem­ Great Barrier Reef (Australia); associated with several spe­ ble the type description, with both being similar in size and cies of giant anemones. Not previously recorded from Papua structure. The fourth thoracic sternite is am1ed with a slen­ New Guinea. der, finger-like process, whilst the fifth bears a transverse ridge with a shallow median notch. The posterior dorsal mar­ gin of the third to fifth abdominal segments are finely den­ ticulate, with this denticulation extending approximately Periclimenes perlucidus BRUCE, I 969 halfway down the lateral margin. As several of these characters were not discussed or illus­ Periclimenes perlucidus BRUCE, 1969: 268-270.- BRUCE, trated in the type description and as subsequent authors 1978c: 230-237; Figs. 12-15.- FRANSEN, 1994: 127; Figs. (MIYAKE & FUIJINO, 1968; Bruce 1992) discussed certain 93-95. differences in the material at their disposal, the type material was re-examined; consisting of an ovigerous female MATERIAL holotype (ZMA De 10285) ~ nd a male para type (ZMA De 102826, sex not recorded in the type description, partially KBIN IG 2805I/NAT24I ; 4 ov. females cl2.20-2.60, I male dissected). The holotype (cl 2.65) has the left first pereiopod cl 2.1 0; Hansa bay, Duangit Reef, 35 m depth, from missing, whilst the chelae of the right first pereiopod is also Dendronephthya sp. (Alcyonaria), leg. S. DE GRAVE, 4 Octo­ lacking, only the left second pereiopod is still present; most ber 1993, field no. S93/54. of the appendages of the paratype are dissected and pre­ served in a separate vial, although only the ri ght second pereiopod is present. The distinct thoracic armament on the REMARKS fourth and fifth sterna is present in both the holo- and the paratype, as is the minute denticulation on the dorsal margin Colour of specimens noted as transparent with a yellow hue, of the third to fifth abdominal segments. The dissected first similar to the colouration of the host. pereiopod of the male paratype is medially slightly gaping, with slender fingers (approx. 0.37 of the palm length), and DISTRIBUTION bifid tips on both the fixed and mobile finger. Denticulations on the lateral margin of the chelae are barely visible and Known from South China Sea, Madagascar and the Sey­ mostly worn down, although proximally they are more dis­ chelles; associated with Gorgonaria and Alcyonaria. Not pre­ cernible. The second pereiopods are sexually dimorphic, viously recorded fTom Papua New Guinea. with the female holotype exhibiting the development of the II

Caridean shrimps from Hansa Bay, I. 139 chelae as illustrated and discussed by HOLTHUIS ( 1952), but Periclimenes soror NOBILl, 1904 with the male paratype exhibiting a less well-developed me­ dial flange and with small teeth over the proximal 2/3 of its Periclimenes soror NOBILl , 1904: 232. - NOBILl , 1906: 50; Pl. 2 fig. 6. - length, rather than the much larger teeth and a deep notch of BRUCE, 1978a: 299-306; Figs. 1-6. - BRUCE, 1989: 176-177; Fi g. 2. ?Periclimenes parasiricus BORRADAILE, 1898: 384. the female holotype. As the type description did not discuss this sexual dimorphism, MIYAKE & FUJINO (1968) attributed the difference they observed in chelae annature to biological MATERIAL variation, rather than sexual dimorphism. In all other fea­ tures, the type material is highly similar to the presently re­ KBIN IG 27951/NAT247; I ov. female ci I .95, I male cl corded specimen, as is the description (males only) of 1.20; Awar seagrass bed, Hansa Bay, 5 m depth, from MIYAKE & FUJINO ( 1968). In contrast, the material from Li z­ P01·aster superbus (MOEBIUS) , leg. S. DE GR AVE, 1 October ard Island (Australia), recorded by BRUCE (I 983c, 1992) 1992, field no. S92/12. KBIN IG 2795 I/NAT248 ; I female cl may belong to a closely related, as yet un-described taxon. 1.15; Duangit Reef, from Linckia guildingi GR AY, leg. D. Although in many characters the latter specimens are similar VanDer Spiegel, 7 October 1992, field no . S92/48. KBIN IG to the other material , the first pereiopod are slender, not me­ 27951/NAT249; 6 specimens cl 1.35-2.00; Duangit Reef, dially gaping and not pectinate. from Choriaster granulatus LOTKEN , leg. D. Van Der Spiegel, 7 October 1992, field no . S92/49. KBIN IG 27951/ NAT250; I ov. female cl 1.40; Lai ng Island Lagoon, 5 m DISTRIBUTION depth, from Culcita novaguineae MOLLER & TROSCHEL , leg. S. DE GR AVE, 18 October 1992, field no. S92/69. KBIN IG Previously only known from Gebe Island (Indonesia), 27951/NAT251; 2 ov. females cl 1.60-1.75, I male cl 1.15; Atiatonin (Irian Jaya), Palau Islands, associated with Duangit Reef plateau, 3 m depth, from Linckia guildingi Acropora sp. corals in Palau. Gray, leg. S. DE GR AVE, 18 October I 992, field no . S92/70. KBIN IG 27951/NAT252; 19 specimens cl 1.35-2.15; Awar wreck, 6 m depth, from Culcita novaguineae MOLLER & Periclimenes psamathe (DE MAN, I 902) TROSCHEL, leg. S. DE GR AVE , 23 October 1992, field no. S92/96. KBIN IG 28056/NAT252; I 7 specimens cl 0.60- Urocaris psamarhe DE MAN, I 902: 8 I6-822; Plate 25 , fig. 5 I-5 Ij . Peric/imenes (Harpili u .~) psanwrhe. - HOLTH UlS , 1952: 61; Fig. 23. - 1.95; Laing Island Eastern side, 10 m depth, from Culcita MONOD, I976: I4 -22; Figs. I-2 8. novaguin eae MOLLER & TROSCHEL, leg. S. DE GRAVE, field Periclimenes psammhe.- BRUCE, 1978c: 218-22 1; Fig. 7.- BR UCE, 199 1: no. S93/l I 8. 238; Figs. I a, 3a.

DISTRIBUTION MATERIAL Widespread in the tropical Indo-Pacific Ocean, from East KBIN IG 27951/NAT242; I female ci 1.50; Sushi Maru Africa to tropical Western America; associated with numer­ wreck, 19m depth, from unidentified soft coral, leg. S. DE ous starfish species. The association with Linckia guildingi is GRAVE, 2 September 1992, field no. S92/25. KBIN IG a new host record. Previously reported from Rabaul (New 27951/NAT243; 2 females cl 1.50-1.75; Sushi Maru wreck, Britain) and Kieta (Bougainville Island) (BRUCE, 1978a). 19m depth, from unidentified gorgonian, leg. S. DE GRAVE, The status of Periclimenes parasiticus, which has as its type 2 September 1992, field no . S92/26. KBIN IG 279511 locality Milne Bay, is discussed by BRUCE (1975); the speci­ NAT244; I female cl 1.70; Du angit Reef, outer side, 25 m men recorded under that name by NOBILl ( 1899) from Beagle depth, from unidentified soft coral, leg. S. DE GRAVE, 18 Bay on the south coast of Papua· New Guinea was re-exam­ September 1992, field no. S92172. KBIN IG 27951/NAT245; ined by HOLTHUIS (I 952) and considered to be a juvenile I 0 specimens cl 1.60-2.50; Duangit Reef, outer side, 42 m male of Leander tenuicornis. depth, from unidentified soft coral, leg. S. DE GRAVE, 1 Sep­ tember 1992, field no. S92/73. KBIN IG 27951/NAT246; 7 specimens cl 1.40-2.50; Duangit Reef, outer side, 25 m depth, from unidentified soft coral, leg. S. DE GRAVE, 18 Periclimenes tenuipes BORRADAILE, 1898 September 1992, field no. S92174. Peric/imenes tenuipes BORRADAILE, 1898: 384.- BORRADAlLE, 1900: 406; Plate 36, fig. 2.- BRUCE, l978b: 26 1-264; Figs. 6-7. DISTRIBUTION

Widely distributed in the Indo-West Pacific, from East Africa MATERIAL to Mi crones ia; associated with range of Antipatharia, Hydro­ zoa and Gorgonacea. KBIN 27951/NAT255; 1 male cl 4.10; Laing Island lagoon, baited trap, leg. S. De Grave, 28 August 1992; field no. S92/ I. KBIN 27951/NAT256; I female cl 3.05, 1 male ci 2.60; Laing Island lagoon, 100 m depth, free-living on sandy substrate, leg. S. DE GRAVE, I 7 September 1992; field no. S92/66. KBIN 27951/NAT257; 2 males cl 4. I 0; Hans a Bay, '' 140 S. DE GRAVE

M ast Wreck, 10m depth, free-living, leg. S. DE GRAVE, 19 DISTRIBUTION September 1992; field no. S92/83. KBIN 28053/NAT258; I female cl 3.05; Laing Island, lagoon entrance, 15-25 m Known from East Africa, the Red Sea, Indonesia, Great Bar­ depth, from coral rubble, leg. S. DE GRAVE, 27 September rier Reef and the Marshall Islands; asso.ciated with crinoids. 1993 ; field no. S93/22. KBIN 28053/NAT259; I male cl Not previously recorded from Papua New Guinea. 2.95; Laing Island lagoon, 10m depth, collected by hand on muddy substrate, leg. S. DE GR AV E, 30 September 1993; field no. S93/42. KBIN 28053/NAT260; I male cl 4. 10 ; Periclimenes venustus BRUCE, 1990 Laing Island, eastern side, 30m depth, from coral rubble, leg. S. DE GR AVE, 3 October 1993; field no. S93/51. KBIN Periclimenes venustus BRUCE, 1990: 229-243; Figs. 1-6. - 28053/NAT261 ; I female cl2.25 ; Laing Isl and, western side, DE GRAVE , 1998: 16; Fig. I. 30m depth, from coral rubble, leg. S. DE GRAVE , 3 October 1993; field no. S93/73. MATERIAL

KBIN 2795!/NAT262; I female cl 4.20; Laing Island, la­ DISTRIBUTION goon, 5 m depth, from unidentified actinarian, leg. H. WILKINS, 29 September 1992; field no. S92/6. KBIN 28053/ Widespread in the Indo-Pacific, from the Red Sea and East NAT263; 4 specimens cl 1.75-3.50; Laing Island, eastern Africa to the M arshall Islands; considered a free- living side, seagrass bed, 30 m depth, from unidentified acti narian, browser. The type locality of this species is Ralun (New Brit­ leg. S. DE GRAVE , 3 October 1993; fi eld no. S93/46. ain) (see BORR ADA ILE, 1900).

DISTRIBUTION

Periclimenes tenuis BRUCE, 1969 Known from Australia, Philippines, Indonesia, Papua New Guinea and the Ryukyu Islands. Reported fTom Hansa Bay (Fig. 6) by DE GRAVE ( 1998).

Peric!imenes tenuis BR UC E, 1969: 272-273.- BRUCE, 1982c: 197; Fig. Sc. Periclimenes watamuae BRUCE, 1976

MATERIAL Periclimenes H'a/WIIUa e BRUCE, 1976c: 16-20; Figs. 5-6.- FRANSEN, 1994: 130.- DE GRAVE, 1998: 18-21 ; Figs. 2-3. KBIN 2795 1/NAT253; I ov. female cl 2.0, I male cl 1.25; Hansa Bay, Duangit Reef, 20 m depth, from unidentified MATERIAL crinoid, leg. S. DE GRAVE & H. WILKINS , 18 September 1992; field no. SCR92111. KBIN 27951/NAT254; 4 speci­ KBIN 27951/NAT264; I specimen cl 1.20; Laing Island, la­ mens, cl 1.75-2.10; Hansa Bay, Duangit Reef, 20m depth, goon, NW side, I 0 m depth, from Porites cf. lobata DANA from unidentified crinoid, leg. S. DE GRAVE & H . WILKINS , (Scleractinia), leg. S. DE GR AVE , 16 September 1992; field 18 September 1992; field no. SCR92!13. no. S92/61. KBIN 27951/NAT265; I specimen cl 0.70; Laing Island, lagoon, NW side, 10 m depth, from Lobophyllia hemprichii (EHRENBERG) (Scleractinia), leg. S. REMARKS DE GRAVE, 16 September 1992; field no. S92/62.

The specimens agree cl osely with the type description. DISTRIBUTION Rostral with six dorsal teeth , di stinctly curved dorsal margin and ventral margin nearly straight (Fig. 6a). Chelae of first Known from Kenya, the Seychelles and the previous record pereiopod sli ghtly smaller than carpus; fingers about 0.3x from Hansa Bay, Papua New Guinea by DE GR AVE (1998); length of chelae, fingers with spatulate tips and curved medi­ associated with Alcyonaria, Gorgonari a and Scleractinia. ally (Fig. 6b-d). Second pereiopods elongate, with fingers of The associati on with Porites and Lobophyllia are new host chelae about 3-4.5x longer than palm (Fig. 6e), distal part of records. cutting edges of both fingers with minute recurved teeth, in­ creasing in size di stally (Fig. 6f-g). Third pereiopod slender, with dac tylus slender, curved, with clearly demarcated un­ Philarius HOLTHUIS , 1952 guis (Fig. 6h-i); distal part of propodus with eight groups of senulate and plumose setae (Fig. 6i). Male first pl eopod with Philarius gerlachei (NOBILl , 1905) endopod reaching 0.4x of exopod length; endopod quadrate, medi al margin with two plumose setae (Fig. 6j-k). Appendix HwjJ i/ius Gerlachei NOBILl , 1905: 160.- NOBILl , 1906: 45-47; Plate 4, fig. masculina shorter than appendix intern a, with two non­ 10- 10a. Hw pilius ger/achei.- KEMP, 1922: 238-239; Figs. 74-75. plumose setae at the tip and a single seta on the medial mar­ Philariu s gerlachei. - BR UCE, 1976b: 11 8- 1 20 ;~Fi g. 18. - BRUCE, 1977b: gin (Fig. 61). 62-65; Fig. 11.- CHACE& BR UCE, 1993: 127. \I Caridean shrimps from Hansa Bay, I. 141

a

k

Fig. 6. - Periclimenes tenuis KB IN 2795 1/NAT253. a: carapace; b: first pereiopod; c: chela of first pereiopod; d: detail of same; e: second pereiopod; f: chela of second pereiopod; g: detai l; h: third pereiopod; i: dactylus of same; j : first pleopod of male, k: endopod of first pleopod; 1: appendix masculina and interna of second pleopod of male. Scale bar indicates 1.6 mm (a), 0.5 mm (b, e, h), 0.2 mm (c, f, j) or 0. 1 mm (d, i, g, k, 1). All from female (cl 2.00), except j-1 from male (cl 1. 25). I I

142 S. DE GRAVE

MATERIAL DISTRIBUTION

KBIN 27951/NAT266; 1 male cl 2.40; Laing Island eastern Known from the Red Sea, Madagascar, Indonesia, Papua side, 15 m depth, from Acropora sp., leg S. DE GRAVE & H. New Guinea and New Caledonia, associated with ascidians. WILKINS, 27 September 1992, field no. S92/l 04. KBIN The type locality of this species is Ralun (New Britain). 27951/NAT267; I ov. female cl2.25; Hansa Bay, Sushi Maru wreck, II m depth, from Acropora sp., leg S. DE GRAVE, 8 October 1992, field no. S92/J 40. Pontonia sibogae BRUCE, 1973

DISTRIBUTION Pontonia sibogae BR UCE, 1973: 182-1 86; Fi g. I. - BRUCE, 1977d: 179 ; Fig. I 0. - FRA NSE N, 1994: 134; Fig. I 06. Ponronia katoi. - HOLTH UIS , 1952: 158 (partim): Figs. 73a-b, 74b, 75a-b, d­ Widely distributed in the tropical Indo-West Pacific, associ­ f, 76c, f-g , 77a, e-f (non Plmtonia ka/Oi KUBO, 1940). ated with corals of the genus Acropora. Not previously re­ corded from Papua New Guinea. MATERIAL

KBIN IG 28056/NAT273; 1 female cl 1.10; Laing Island eastern side, from unidentified solitary ascidian, leg. S. DE Philarius imperialis (KUBO, 1940) GRAVE, 23 September 1993, fie ld no. S93/3. Hwpilius imperio/is KUBO, 1940: 1-4; Fi gs. 1-3 Phi/oritts imperio/is. - HOLTHUIS, 1952 : 151. - MIYAKE & FUIJI NO, 1968: REMARKS 420-423; Fi g. 6. - CHACE & BRUCE, 1993: 127. The single individual agrees well with the type description of MATERIAL BRUCE ( 1973), although a well developed dorsal, median ca­ rina is present on the rostrum. Also, the proportions of the KBIN 27951/NAT268; 1 female cl 2.70, I male cl 2.25; dactylus of the third pereiopod agree more with the material Hansa Bay, Awar wreck, 6 m depth, from Pocillopora of FRANSEN (1994) than either the type description or the il­ eydouxi EDWARDS & HAIME, legS. DE GR AVE , 13 October lu stration by BRUCE (1977d). 1992, fie ld no. S921152. KBIN 2795 1/NAT269; I female cl 1.50; Han sa Bay, A war wreck, 6 m depth, from Acropora sp., DISTRIBUTION leg. S. DE GRAVE & H. WILKINS, 26 September 1992, field no. S92/99. KBIN 28053/NAT270; 1 ov. female cl 2.70; Known from Australia (Queensland), Indonesia, Madagas­ Laing Island, eastern side, 20 m depth, from Acropora sp., car, the Seychelles and Oman. Associated with ascidians, al­ leg. H. WILKINS , 13 October 1993, field no. S93/107. KBIN though some specimens may have been free-living (BRUCE, 28053/NAT271; I ov. female cl 3.05; Potsdam lsi., eastern 1978c; HOLTHUIS , 1986). Not previously recorded from side, 10m depth, from Acropora sp., leg. S. DE GRAVE & H. Papua New Guinea. WILKINS , 14 October 1993, field no. S93/111.

DISTRIBUTION Pontonides BORRADAILE, 1917

Widely distributed in the tropical Indo-West Pacific, mainly Pontonides unciger CALMAN , 1939 associated with corals of the genus Acropora. Not previously recorded from Papua New Guinea. Pontonides unciger CALMAN , 1939: 213-215 : figs. 6-7. - FUJI NO & MIYAKE, 1969: 87 -92; Fig. 1 - MONOD, 1979: 10- 19 ; Figs. 9-35.

Pontonia LATREILLE, 1829 MATERIAL Pontonia ascidicola BORRADAILE, 1898 KBIN IG 27951/NAT274; 2 specimens cl 1.09-1.1 0; Davit Po111onio ascidicola BORR ADAILE, 1898: 389. - HOLTH UIS, 1952: 165-169; wreck, 9 m depth, from unidentified gorgonian, leg. S. DE Fi g. 79-81. GRAVE, I September 1992, fi eld no. S92/14. KBIN IG 27951/NAT274; 1 female c1 2.15, I male cl 1.25; Laing Is­ land lagoon, NW side, 5 m depth, from Cirripathes sp., leg. MATERIAL S. DE GRAVE, 4 October 1992, fi eld no. S92!116. KBIN IG 28056/NAT272; I male cl 2.30; Laing Island east­ ern side, from coral rock fragments encrusted with ascidians DISTRIBUTION and sponges, leg. S. DE GRAVE, 13 October 1993, fi eld no. S93!1 08. Kn own from Red Sea, Kenya, Madagascar, Seychell es, Indo- I I

Caridean shrimps from Hansa Bay, I. 143

nesia, Australia, Japan, Marquesas and Hawaii ; precise di s­ DISTRIBUTION tribution uncertain due to possible existence of species com­ plex (see BRUCE, 1978c). Widespread in the Indo-West Pacific Ocean, associated with several crinoid genera. Not previously reported from Papua New Guinea.

Pontoniopsis BORRADA ILE, 1915 Stegopontonia NOBILl , 1906 Pontoniopsis comanthi BORRADAILE, 1915 Stegopontonia commensalis NOBILl , 1906 Pontoniopsis comanthi BORRADA ILE, 1915: 377; ·Plate 57, fig . 27. - HOLTHUIS, 1952: 153-156; Figs. 70-71.- BRUCE, St egopontonia CO III/Il ellsa lis NOBILl , 1906: 258. - BRUCE, 1982c: 204; Figs. 1980b: 396-398; Figs. 3d, 4-5. lg, 6a, 8d.

MATERIAL MATERIAL

KBIN 27951/NAT275; I male cl 0.75; Hansa Bay, Duangit KBIN IG 27951/NAT289; 1 female cl 5.50; Laing Island Reef, 25 m depth, from unidentified crinoid, leg. S. DE eastern side, 10 m depth, from Diadema setosum (LESKE), GRAVE & H. WILKINS , 18 September 1992; field no. SCR92/ leg. D. VANDER SPIEGEL, 6 September 1992, field no. S92/ 16. KBIN 27951/NAT276; 4 specimens cl 0.50-0.65; Hansa 41. Bay, Mast wreck, 4 m depth, from unidentified crinoid, leg. S. DE GRAVE & H. WILKINS , 19 September 1992; field no. DISTRIBUTION SCR92119. KBIN 27951/NAT277; 1 male cl 0. 80; Hansa Bay, Mast wreck, 4 m depth , from unidentified crinoid, leg. Known from French Polynesia, Hawaii , Australi a (Queens­ S. DE GRAVE & H. WILKI NS, 19 September 1992; fi eld no. land), New Caledonia, Mauritius, Seychelles, Kenya and the SCR92/20. KBIN 2795 I/NAT278; 2 specimens cl 0.60-0.65; South China Sea. Associated with echinoids, mainl y of the Hansa Bay, Awar wreck, 6 m depth, from unidentified genu s Diadenza. Not previously recorded from Papua New crinoid, leg. H. WILKI NS, 24 September 1992; field no. Guinea. SCR92/28. KBIN 27951/NAT279; 1 male cl 0.70; Hansa Bay, Awar wreck, 6 m depth, from unidentified crin oid, leg. H. WILKI NS, 24 September 1992; field no. SCR92/29. KBIN 27951/NAT280; 1 female cl 0.65 ; Hansa Bay, Awar wreck, 6 Thaumastocaris KEMP, 1922 m depth, from unidentified crinoid, leg. H . WILKINS , 24 Sep­ tember 1992; field no. SCR92/31. KBIN 27951/NAT281 ; 1 Thaumastocaris streptopus KEMP, 1922 female cl 0.75, I male cl 0.5; Hansa Bay, Awar wreck, 6 m depth, from unidentified crinoid, leg. H. WILKINS, 24 Sep­ (Fig. 7) tember 1992; field no. SCR92/32. KBIN 2795 1/NAT282; 1 male cl 0.75; Hansa Bay, Awar wreck, 6 m depth, from uni­ Thaumastocaris streptopus KEMP, 1922: 244-247; Figs. 78-80.- HOLTH UIS, dentified crinoid, leg. H. WILKINS, 24 September 1992; field 1952: 111-11 4; Figs. 46-47 . - BRUCE, 1996: 250-251 ; Fig. 21. no. SCR92/33. KBIN 27951/NAT283 ; 5. specimens cl 0.75- 1.25; Laing Island, exposed side, I 5 m depth, from unidenti­ MATERIAL fied crinoid, leg. S. DE GRAVE, 24 September 1992; field no. SCR92/34. KBIN 28053/NAT284; 1 ov. female cl 0. 85 , I KBIN IG 27951/NAT290; 1 ov. female cl 12.8; Lain g Island male cl 0. 70; Laing Island , eastern side, 10 m depth , ni ght lagoon, NW side, 8 m depth, from unidentified large sponge, dive, fr om unidentified crinoid, leg. S. DE GRAVE, 27 Sep­ leg. S. DE GR AVE, 8 October 1992, field no. 5921142. KBIN tember 1993; field no. SCR93/l. KBIN 28053/NAT285; I IG 2795 1/NAT291; I ov. female cll2.8, I male cl9.6; Laing female cl 0.70, I male cl 0.65; Laing Island, eastern side, I 0 Island lagoon, NW side, 7 m depth, from unidentified large m depth, ni ght dive, from unidentified crinoid, leg. S. DE sponge, leg. S. DE GRAVE, 11 October 1992, field no. 592/ GRAVE, 27 September 1993; field no. SCR93/6. KBIN 146. KBIN IG 2795 1/NAT292; 5 juvenile specimens cl 1.55- 28053/NAT286; 4 specimens cl 0.75-1.10; Hansa Bay, 2.75; Laing Island lagoon, NW side, 7 m depth, from uniden­ Duangit Reef, 30m depth , from unidentified crinoid, leg. S. tified sponge, leg. S. DE GRAVE , 13 October 1992, field no. DE GRAVE, 4 October 1993; field no. SCR93/12. KBIN S921149. KBIN IG 28053/NAT293; 1 female cl6.72, 1 male 28053/NAT287; I female c1 0.50, 1 male cl 0.55; Hansa Bay, cl 10.40; Laing Island lagoon entrance, 25 m depth, from Duangit Reef, 15m depth, from unidentified crinoid, leg. S. Xestospongia testudinaria (LAMARC K) (Porifera), leg. S. DE DE GRAVE, 5 October 1993; fi eld no. SCR93/20. KBIN GR AVE , 8 October 1992, fi eld no. S93/20. KBIN IG 28053/ 28053/NAT288; 16 specimens cl 0.50-l.l 0; Hansa Bay, NAT294; 1 juvenile male cl 2.6; Laing Island Eastern side, Duangit Reef, 15m depth, from unidentified crinoid, leg. S. small seagrass bed, 30 m depth, from unidentified sponge, DE GRAVE, 5 October 1993; fie ld no. SCR93/21. leg. S. DE GRAVE, 8 October 1992, field no. 593/47. II 144 S. DE GR AVE

.. ··

b a

Fig. 7.- Th aumastocaris streptopus. KBI N IG 2795 1/NA T292, juvenile. a: carapace; b: first pereiopod; c: second pereiopod. Scale bar indicates 0.7 mm (a) or 0.5 mm (b, c).

REMARKS Vir HOLTHUI S, 1952

In juvenil e specimens the first pereiopods are relatively short Vir orienta/is (DANA, 1852) and subequal , with the carpus onl y di vided into two articles (Fig. 7b); the second perei opods are subequal and similar, Palaemonella orienta /i s D ANA , 1852a: 26. - D ANA, 1852b: 583. - D ANA , with the palm being smooth and the fin gers unmmed (Fi g. 1855: Pl ate 38 , fi gs. 4-4d. - KEMP, 1922: 13 1-1 34; Fi gs. 9-11. 7c). This is in contras t to the adult specimens described by Vir oriema!is. - H OLT HU IS, 1952: 30. - BRUCE, 1972b: 65-67; Fi g. I. - BRUCE, 198 l b: 79. KEMP ( 1922), but agrees with the description of a post-larval spec imen by BRUCE ( 1996). In contrast to both these de­ scripti ons, the ventral ros tral carina bears four teeth (Fi g. 7a) . MATERIAL

KBIN IG 27951/NAT295; 1 ov. fe male cl 1.75, I female cl DISTRIBUTION 1.50, I male cl 1.60; Lain g Island eastern side, 7 m depth, from pl ate- like Acropora sp., leg. S. DE GRAVE & H. Widespread in the Ind o-West Pacific region, from Eas t Af­ WILKINS , 16 October 1992, field no. S92/170. KBIN IG ri ca and the Red Sea tlu·o ugh to the Marshall Islands; associ­ 2805 3/NAT296 ; I fe male cl 1.65, 1 male cl 2.00; Lain g Is­ ated with several genera of Pori fe ra. Not prev iously recorded land eastern side, 20m depth, fr om Acropora sp., leg. S. DE from Papu a New Guinea. GR AVE, 13 October 1993 , fi eld no. S931107 .

REMARKS

The spec imens agree closely with prev ious descriptions, all specimens have a rostral dentition of7/1. The characteri sti cs whi ch di sti ng ui sh thi s species fr om V. philippinensis are dis­ cussed under that species. I'

Caridean shrimps from Hansa Bay, I. 145

DISTRlBUTION Acknowledgements

Distributed throughout the tropical Indo-West Pacific; asso­ H. WILKINS , J.-M. OUIN, P. VAN DE WALLE, D. VA N DER ciated with scleractinian corals, mainly of the genus SPIEGEL and J.-M. TERN ATE are gratefully acknowledged for Pocillopora, although a few records from Acropora and collecting specimens; A. J. BRUCE provided much appreci­ Stylophora exist. The specimens recorded from the Sey­ ated advice; C. MAS SI N kindly ass isted with identificati ons chelles by FRANSEN (1994) as associated with Physogyra of host corals; C. FR AN SEN kindly provided infonnati on on lichtensteini may belong to the following species. Not previ­ the type materi al of P. madreporae; D. PlATVOET is acknowl­ ously recorded from Papua New Guinea. edged for sending on loan the type material of P. platycheles. K. WOUTERS and A. A . MYERS provided much appreciated constructive criticism on an earlier version of the manu­ Vir philippinensis BR UCE & SVO BO DA, 1984 sc ript; V. GHENNE kindly translated the abstract into French. Part of thi s research was supported by the F.K.F.O. (Belgian Vi r phi/ippinensis BRUCE & SVOBODA, 1984: 87 -94; Figs. 1-4.- CHACE & Fund for Joint Bas ic Research) and the King Leopold III BRUCE, 1993: 132. Fund.

MATERIAL References KBIN IG 27951/NAT297; 2 ov. females cl 2.75-3.00, 2 males cl 2.25-2.60; Laing Island Lagoon, NW side, I 0 m ALLEN, G., R. & STEENE, R., 1994. /ndo Pacific Coral Reef Guide. depth, from Euphyllia glabrescens (CHAMISSO & 378 pages. Singapore: Tropical Reef Research. EYSEN HARDT), leg. S. De Grave, 16 September I 992, field AUDOU!N, J. V. , 1826. Explication sommaire des pl anches de no. S92/59. KBIN IG 27951/NAT298; I ov. fe male cl2.50, I Crustaces de l'Egypte et de Ia Syri e, publi ees par Jules-Cesar male cl 1.60; Hansa Bay, Mast Wreck, 7 m depth , from SAV IGNY, Membre de l' lnstitut; offt·ant un expose et caracteres Physogyra lichensteini EDWARDS & HAIME, leg. S. DE naturels des genres, avec Ia definition des especes. In : SAV IGNY, 1. ­ GRAVE, 19 September 1992, field no. S92/79. C. Description de I'Egypte, Histoire Naturelle, 1(4): 77-98. (not seen). BALSS , H., 1913. Diagnosen neuer ostasiati scher Macruren. REMARKS Zoologischer Anze iger, 42: 234-239. The present specimens agree closely with the type descrip­ BARNARD, K. H., 1962. New records of marine Crustacea from the Eas t Afri can region. Cmstaceana, 3(3): 239-245. tion, which distinguishes this species from V orienta/is pri­ marily on the bas is of the longer and more slender second BORRADA ILE, L. A. , 1898. A revi sion of the Pontoniidae. The An­ pereiopod and the ambulatory pereiopods. The rostral denti­ nals and Magazin e of Natural History Series, 7(2): 376-39 1. ti on of the present specimens is 4/l, 511 , 6/l , 6/3 and 7/2. In BORRADA ILE, L. A. , 1899. On some from the South Pa­ the present material the second pereiopod of V philippinensis cific - Part III Macrura. Proceedings of th e Zoological Society, has the palm about 3.40-4.00 times longer than deep and the London, 1898 : 1000-1015. carpus 0.64-0.90 of the palm length ; in V orienta/is these BORRADAILE, L. A. , 1900. On the Stomatopoda and Macrura proportions are 2.64-2.95 and 0.67-0.73 respectively. The brought by Dr. Willey from the South Seas. In: Wiley (eds) Zoologi­ propodus of the third pereiopod in V philippinensis is 8.28- cal Results Based on Material from New Britain, New Guinea, Loy­ 9.35 longer th an wide, as opposed to 5.78-8.75 in V alty islands, and Elsewhere, Collected During th e Years 1895, 1986 and 1897, vo lume 4: 395-428, pl ates 36-39. orienta/is. In contras t to these proporti ons, both species can be di stinguished with ease on the basis of the morphology of BORRADAILE, L.A ., 1915 . Notes on Cariaes. Th e Annals and Maga­ the propodus and the dactylus of the ambulatory pereiopods. zin e of Natural History, 8( 15): 205-2 I 3. In V orienta/is dense long setae are present on the di stal mar­ BORRADAI LE , L. A. , 1917. The Percy Sl aden Trust Expedition to the gin of the propodus, with the dactylus short and strongly Indian Ocean in 1905 , under the Leadership of Mr. J. STAN LEY curved; in contrast in V philippinensis the propodus is feebly GARDINER, M.A. No. IX.- On Carides from the Western Indi an setose, and the dactylus is elongate and not curved. Ocean. Th e Tran sactions of the Linnean Society of London, I 7( I ): 397-4 12, Pl ates 58-59. BORRADAIL E, L.A. 192 1. The Percy Sladen Trust Expedition to th e . DISTRIB UTION Indian Ocean in 1905, under the Leadership of Mr. 1. STANLEY GARD INER , M.A. No . YIII.-On the Pontoniinae. Th e Transactions Previously known fro m the Philippines, Queensland and the of the Linnean Society of London 27( I ), 323-396, Pl ates 52-57. Ryukyu Islands; associated with several coral ge nera. The BRUCE, A. 1. , 1966. Notes on so me Indo- Pacific Pontoniin ae. XI. A association with Euphyllia glabrescens presents a new hos t re-e xamination of Philarius lophos BARNARD, with the designation record. of a new genus, lschnopontonia. Bulletin of Marine Science, 16(3): 584-598. BRUCE , A. J ., I 967 . Notes on so me Indo- Pacific Pontoniinae III-I X. Descriptions of some new ge nera and speci es from the wes tern In­ dian Ocean and the so uth Chi na Sea. Zoologische Ve rhandelinge11, Leiden, 87: 1-73. \I

146 S. DE GRAVE

BRUCE, A. J., 1969. Preliminary descriptions of sixteen new species BRUCE, A. J., 1978a. Periclimenes soror Nobili, a pontoniin shrimp of the genus Periclimenes Costa, 1844 (Crustacea, Decapoda new to the American fauna, with observations on its Indo-West Pa­ Natantia, Pontoniinae). Zoologische Mededelingen, Leiden, cific distribution. Tethys, 8(4): 299-306. 43(20): 253-278. BRUCE, A. J. , 1978b. The re-examination of some pontoniine BRUCE, A. J., 1970a. Report on some commensal pontoniinid shrimps types first described by L. A. Borradaile (Decapoda, shrimps (Crustacea: Palaemonidae) associated with an Indo-Pacific Palaemonidae). Crustaceana, 34(3): 251-263. gorgonian host (Coelenterata: Gorgonacea). Journal of Zoolog)\ BRUCE, A. J., 1978c. A report on a collection of pontoniine shrimps London, 160: 537-544. from Madagaskar and adjacent seas. Zoological Journal of the BRUCE, A. J., 1970b. Further preliminary descriptions of new spe­ Linnean Society, 62: 205-290. cies of the genus Periclimenaeus BORRADAILE, 1915 (Crustacea, BRUCE, A. J., J980a. Some pontoniine shrimps from the Solomon Decapoda Natantia, Pontoniinae). Zoologische Mededelingen, Islands. Micronesica, I 6(2): 26 I -269. Leiden, 44(21 ): 305-3 15. BRUCE, A. J., 1980b. Pontoniine shrimps from the Great Astrolabe BRUCE, A. J. , 1970c. Observations on the Indo-West-Pacific spe­ Reef, Fiji. Pacific Science, 34(4): 389-400. cies of the genus Palaemonella Dana, 1852 (Decapoda, BRUCE, A. J., I 980c. Notes on some Indo-Pacific Pontoniinae, Pontoniinae). Crustaceana, 19: 273-287. XXXIII. Periclimenaeus diplosomatis sp. nov., an ascidian associ­ BRUCE, A. J., 1971. Periclimenes attenuatus sp. nov. (Crustacea, ate from Heron Island, Australia. Crustaceana, 39(1 ): 39-51. Decapoda, Natantia, Pontoniinae), a new commensal shrimp fro m BRUCE, A. J. , 1980d. On Some Pontoniine Shrimps from Noumea, the Duke of York Islands. Pacific Science, 25: 553-544. New Caledonia. Cahiers de /'Indo-Pacifique, 2(1): 1-39. BRUCE, A. J ., 1972a. A review of information upon the coral hosts BRUCE, A. J., I 98 I a. Notes on some Indo-Pacific Pontoniinae, of co mmensal shrimps of the sub-family Pontoninae Kingsley, 1878 XXXVIII Apopontonia dubia sp. nov., from a southern Queensland (Crustacea, Decapoda, Palaemonidae). In: MUKUNDAN, C. & sponge host. Crustaceana, 41 (3): 225-232. GOPINADHA PILLA!, C. S. (eds.) Proceedings of the symposium on BRUCE, A. J., 198 I b. Pontoniine shrimps from Viti Levu, Fijian Is­ corals and coral reefs, pp. 399-4 17. Cochin, The Marine Biological lands. Micronesica, 17( 1-2) : 77-95. Association of India. BRUCE, A. J., 198 Ic. Onycocaridel!a prima, new genus, new spe­ BRUCE, A. J., 1972b. A report on a small collection of pontoniid cies, a new pontoniine sponge-associate from the Capricorn Islands, shrimps from Fiji, with the description of a new species of Australia (Decapoda, Cm·idea, Pontoniinae). Journal of Crusta­ Cora!liocaris STIMPSON (Crustacea, Decapoda, Natantia, cean Biology, 1(2): 241-250. Pontoniinae). Pacific Science, 26: 63-86. BR UCE, A. J., 1982a. Notes on some Indo-Pacific Pontoniinae, XLI BRUCE, A. J., 1973. Notes on some Indo-Pacific Pontoniinae, XX. Orrhoponronia, a new genus proposed for Periclimenaeus omarus Pontonia sibogae sp. nov. , a new species of Ponronia from eastern BRUCE. Cmsraceana, 43(2): 163-176. Australi a and Indonesia (Decapoda Natantia, Palaemonidae). Crusraceana, 23(2): 182-1 86. BRUCE, A. J., 1982b. The pontoniine shrimp fauna of Hong Kong. In: MORTON, B. & TSENG, C. K. (eds.) The marine flora and fauna BRUCE, A. J. , 1974a. A report on a small collection of pontoniinid of Hong Kong and southern China. Volume I, Introducti on and tax­ shrimps from the Island of Farquhar (Decapoda, Palaemonidae). onomy, pp. 233-284. Hong Kong, Hong Kong University Press. Crustaceana, 27(2): 189-203. BRUCE, A. J., 1982c. The shrimps associated with Indo-West Pacific BRUCE, A. J. , 1974b. Observations upon some specimens of the echinoderms, with the description of a new species in the genus aenu s Periclimenaeus Borradaile (Decapoda Natantia, b . Periclimenes Costa, 1844 (Crustacea: Pontoniinae). Australian Pontoniinae) originally described by G. NOBILl. Bulletin du Museum Memoirs, 16: 191-216. Museum national d' Histoire Naturelle, Paris, series 3, 258: 1557- BRUCE, A. J. , 1983a. Further information on Apopontonia dubia 1583. BRUCE (Decapoda, Pontoniinae). Crustaceana, 45(2): 210-213. BRUCE, A. J., I976a. Notes on some Indo-Pacific Pontoniinae, BRUCE, A. J. , 1983b. Expedition Rumphius II (1975) Crustaces para­ XXVII. Apoponronlafalcirostris gen. nov., sp. nov. , from Madagas­ sites, commensaux, etc. (Th Monad ed.) IX. Crustaces Decapodes car. Crusraceana, 31( 3): 301 -3 11. (I ere partie : Natantia Pontoniinae). Bullerin du Museum narional BRUCE, A. J., 1976b. A report on some pontoniid shrimps collected d'Histoire Naru rel!e, Paris 4eme serie, 5: 871-902. from the Seychelle Islands by the F. R.Y. Manihine, 1972, with a BRUCE, A. J. , 1983c. The pontoniine shrimp fauna of Australia. review of the Seychelles pontoni id shrimp fauna. Zoological Jour­ Memoirs of the Australian Museum, 8: 195-218. nal of rhe Linnean Sociery, 59: 89- I 53. BRUCE, A. J., 1985. Some caridean associates of scleractinian corals BRUCE, A. J. , 1976c. A report on a small collecti on of shrimps from in the Ryukyu Islands. Galaxea, 4: 1-2 1. the Kenya national marine parks at Ma1indi, with notes on selected BRUCE, A. J. , 1988. A note on Gnathophylloides mineri Schmitt species. Zoologische \lerhandelingen, Leiden , 145: 1-72. (Crustacea: Decapoda: Palaemonidae), including its first occur­ BRUCE, A. J. , 1977a. The hosts of the coral-associated Indo-West rence in Australi an waters. The Beagle, 5(1 ): 97- 100. Pacific pontoniine shrimps. Atoll Research Bulletin, 205 : 1-19. BRUCE, A. J., 1989. A report on some coral reef shrimps from the BRUCE, A. 1. , 1977b. Pontoniine shrimps in the coll ections of the Phili ppine Islands. Asian Marine Biology, 6: 173-1 92. Australi an Museum. Records oft he Australian Museum, 31(2): 39- BRUCE, A. J., 1990. A new cnidarian-associated palaemonid shrimp 81. from Port Essington, Cobourg Peninsula, Australi a. In do-Malayan BRUCE, A. J., 1977c. Notes on some Indo-Pacific Pontoniinae, Zoology, 6: 229-243. XXX . Some Periclimenes species from Madagascar (Decapoda BRUCE, A. J., 1991. Shallow-water palaemonoid shrimps fro m New Caridea). Crustaceana, 33(3): 265-274. Caledoni a (Crustacea: Decapoda). In : DE FORGES, B. (ed.) Le Bruce, A. J. 1977d. A report on a small collecti on of pontoniine Ben rhos des Fonds Meubles des Lagons de Nouvel!e-Caledonie, pp. shrimps fro m Queensland, Australia. Crusraceana, 33( I): 167- 181. 22 1-279. Paris, ORSTOM. ,,

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BRUCE, A. J., 1992. Two new species of Periclimenes (Crustacea: DE GRAVE, S. , 1999b. Ro stral va ri ation in Palae mon co ncinnus Decapoda: Palaemonidae) from Li zard Island, Queensland, with Dana, 1852 (Decapoda, Palaemonidae). Crustaceana, 72(7): 701- notes on some related taxa. Records oft he Australian Museum, 44: 704. 45-84. DE GRAVE, S., 1999c. Pontoniinae (Crustacea: Decapoda: BRUCE, A. J. , 1994. A synopsis of the Indo-West Pac ifi c genera of Palaemonidae) associated with bivalve mollu scs fro m Hansa Bay, the Pontoniinae (Crustacea: Decapoda: Palaemonidae). Th eses Papu a New Guinea. Bulletin de I' In stitut Royal des Sciences Zoologicae, 25: 1-172. Na turelles de Belgique, 69: 125-14 1. BRUCE, A. 1. , I 996. Crustacea Decapod a : Palae monoid shrimps DURI S, Z. 1990. Two new species of the commensal shrimp genu s from the Indo-West Pacific region mainly fro m New Caledonia. Periclimenaeus BORRADAILE, 1915 , (Decapoda, Palae monidae) Memoirs du Museum national d'Histoire Naturelle, Paris, 168, from the Maldi ve Islands. Journal ofNawral HistOJ )', 24: 615-625. 197-267. DURi s, Z. & BRUCE, A. J., 1995. A revision of the 'periuhouarsii' BRUCE, A. J., 1998a. A new species of the genu s Brachycarpus species-group of the genu s Periclimenes Costa, 1844 (Crustacea: (Decapoda, Caridea, Palaemonidae) from New Caledoni a. Decapoda: Palae monidae) . Journ al of Natural History, 29 : 619- Zoosystema, 20(2): 157-165. 671. BRUCE, A. 1. , 1998b. New keys for the identi fication of Indo-West EDWARDS, A. & EMBERTO N, H. , 1980. Crustacea associated with Pacific coral associated pontoniine shrimps, with observati ons on the scleractini an coral Stylophora pistillata (ESPER), in the Suda­ thei r ecology. Ophelia, 49( I): 29-46. nese Red Sea. Journ al of Experimental Marine Biology and Ecol­ ogy, 42: 225-240. BRUCE, A. J., 1998c. Pontoniine shrimps from Moreton Bay, Queensland (Crustacea: Decapoda: Pontoniinae). Memoirs of the FRANSEN, C. H. J. M., 1987. Notes on caridean shrimps of Easter Queensland Museum , 42(2): 387-398. Island with descriptions of three new species. Zoologische Mededelingen, Lei den, 6 1(35): 501-531. BRUCE, A. 1. & COOMBES , K. E. , 1995. The palae monoid shrimp fauna (Crustacea: Decapoda: Caridea) of the Cobourg Peninsul a, FRANSEN, C. H. 1. M., 1989. Notes on caridean shrimps co ll ected Northern Terri tory. The Beagle, 12: I 01-144. during the Snellius-11 ex ped iti on. I. Associates of Anthozoa. Neth­ erlands Journal of Sea Research, 23(2), 13 1-1 47. BRUCE, A. J. & SVOBODA, A. , 1984. A report on a small coll ection of coelenterate-associated pontoniine shrimps from Cebu, Philip­ FRANSEN, C. H. J. M., 1994. Marine palaemonoid shrimps of the pines Islands. Asian Marine Biology, I: 87-99. Netherl and s Seychelles Expedition 1992- 1993. Zoologische Verhandelingen, Leiden, 297: 85- 152. CALMAN, W. T. 1939. Crustacea: Caridea. Th e John Murray E).pe­ dition 1933-34, Scientific Reports, 6(4): 183-224. FUJ INO, T. & MIYAKE , S. , 1969. Studies on the genus Onycocaris with descriptions of five new species (Crustacea, Decapoda, CHACE, F. A. Jr. & BRUCE, A. J. , 1993. The caridean shrimps (Cru s­ Palaemonidae). Journal of th e Faculty ofAg riculture, Kyushu Un i­ tacea: Decapoda) of th e Albatross Phi li ppine expedition, 1907- versity, 15(4) :403-448. 1910, Part 6: Superfami ly Palaemonoi dea. Smithsonian Contribu­ GU ERIN-MENEV ILLE, F. E., 1855- 185 6. Crustaceos. In : La Sag ra. tionstoZoology,543: 1-15 2. Historia Fisica Politica y natural de Ia Isla de Cuba, His to ria Na tu­ CLAEREBOUDT, M. , MASSIN , C. & BOU ILLON, J., 1989. A general ral, 7 (atlas): 88 pages, 3 plates (not seen). survey of Lai ng Island environment (Papua New Guinea). Indo­ HOLTHUI S, L. B., 1950. The Decapoda of the Siboga ex pedition, Malayan Zoology, 6: 1-23. 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During the Part XI: The Palaemonid ae co ll ected by the Siboga and Sneliius Years 1838, 1839, 1840, 1841, I842, under th e Command of expeditions with remarks on other species, Part II : Subfamil y Charles Wilkes, U. S. N., Vol. XIII. Cru stacea. Part 1. , 685 pages. Pontoniinae. Siboga Expedition Reports, 39(a I 0): 1-254. Philadelphia, C. Sherman. HOLTHUI S, L. B., 1959. Res ults of the reexamin ati on of the type DANA , 1. D., 1855. United States Exploring expedition. During the specimens of some species belongin g to the sub fa mili es Pontoninae Years 1838, 1839, 1840, I841, 1842, under the Command of and Palaemoninae (Cru stacea Decapoda Macrura). Zoologische ·c harles Wilkes, U.S.N., Atlas: 1-27, Plates 1-96. Phil adelphia, C. Mededelingen, Leiden, 36(1 1): 193-200. Sherman. HOLTHUIS, L. B., 1986. Some Pontoniinae (C ru stacea: Decapoda: DE GRAVE , S. & WILKI NS, H.K.A., 1997. A new record of Palaemonidae) fro m so uthern Oman. Zoologische Mededelingen, Salmoneus rostra/us BARN ARD, 1962 (Decapoda, ) fro m Leiden, 60(17): 263-272. Hansa Bay, Papua New Guinea. Crustaceana, 70(5) : 633-636. JOHNSON, D. S., 1961. A synopsis of the Decapoda Caridea and DE GRAVE, S. , 1998. Pontoniinae (Decapoda, Caridea) associated Stenopodidea of Si ngapore with notes on their di stri buti on and a with Heliofungia actinifonnis (Scleractini a) from Hansa Bay, Papua key to the ge nera of Caridea occurrin g in Malayan waters. Bulletin New Guinea. Belgian Journal of Zoology, 128(1 ): 13-22. of th e Nmional Museum, State of Singapore, 30: 44-79. DE GRAV E, S., 1999a. Caridean shrimps (Crustacea, Decapoda) KEM P, S. 1922. Notes on Crustacea Decapoda in the Indi an Mu­ from seagrass hab itats in Hansa Bay, Papua New Guinea. se um. XV. Pontoniinae. Records of the In dian Museum, 24: 11 3- Beaufortia, 49 (3) : 19-27. 288, Plates 3-9. I I

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KI NGSLEY, J. S., 1878. Li st of the North American Crustacea be­ ORTMANN, A. , 1890. Die Decapoden-Krebse des Strassburger Mu­ longi ng to the Sub-order Caridea. Bullerin of rhe Essex lnsrirure, seums, mit besonderer Beriicksich tigung der von Herrn Dr. I 0(4-6): 53-71. Di:iderlein bei Japan und bei den Liu-Kiu-lnseln gesammelten und KUBO, 1., 1940. Studies on Japanese palaemonoid shrimps II. z. Z. im Strassburger Museum aufbewahrten Formen. I. Theil. Die Pontoniinae. Journal ofth e hnperial Fisheries lnsrirwe, 34(1 ): 31- Unterordnung Natantia Boas. Zoologische Jahrbiicher, 5: 437- 75. 542, Plates 36-37. LATREILLE, P. A., 1819. Saliqoques, carides, Latr. Nouveau PATTON , W. K., 1966. Decapod Crustacea commensal with Queens­ Dicrionnaire d'Histoire Narurelle, 30: 68-73. land branching corals. Crustaceana, I 0: 27 1-295. LATREILLE, P. A. , 1829. Crustaces, Arachnides et partie des PAUL' SON, 0., 1875. Srudies on Cnts/acea of rhe Red Sea, Parr/. lnsectes. In Cuvier, G. (ed.) Le regne distribue d 'apres SOil Podophrhalmara I Edriophrhalmara (Cumacea). 144 pages, Plates organisarion, pour servir de base a l 'hisroire nalllrelle des animaux 1-21 (origi nal in russian not seen, english translation 1961 Jerusa­ el d 'inrroducrion a l'analomie comparee, edition 2, 4: 584 pages. lem, Israel Program for Scientific Translations). (not seen). PETERS, W., 1852. Conchodyres, eine neue in Muscheln lebende LEDOYER, M., 1984. Les Caridea (Crustacea: Decapoda) des Gattung von Garneelen. Berichr iiber die wr Bekannmmaclwng herbiers de phanerogames marines de Nouvelle-Caledonie (region geeigneren Verhandlungen der Konigliche Preussische Akademie de Noumea). Zoologische Verhandelingen, Lei den, 211: 1-58. der Wissenschafren zu Berlin, 1852: 588-595. MAN, J. G., De, 1888. Report on the podophthalmous Crustacea of POTTS, F. A., 191 5. The fauna associated with the crinoids of a the Mergui archipelago, collected for the trustees of the Indian Mu­ tropical coral reef: with especial reference to its colour variations. seum, Calcutta, by Dr. JOHN ANDERSON, F.R.S., Superintendent of Papers from rhe Deparrmenr of Marine Biology of rhe Carnegie ln­ the Museum. Journal of rhe Linnean Sociery of London, 22: 1-305, srirwe of Washingron, 8(3): 7 1-96. plates 1-19. RAFINESQUE, C. S., 18 15. Analyse de !a Nature ou Tableau de MAN, 1. G., DE, 1902. Die von Herrn Professor KOK ENTH AL im l' Univers et des Corps organises. Palermo, 224 pages. (not seen) lndischen Archipel gesammelten Dekapoden und Stomatopoden. Abhandlungen herausgegeben von der Senckenbergischen RATHB UN, M. 1., 1906. The Brachyura and Mac rura of the Hawaiian Narwjorschenden Gesellschafr, 25: 466-929, Pl. 19-27. Islands. U. S. Fish Commission Bullerin , 23(3): 827-930, Plates 1- 24. MANNING, R. B., 1963. 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Sur quatre crevettes de Noumea (Nouvelle evertebratum, quae in Expeditione ad Oceanum Pacificum Cah~ doni e). Cahiers du Pacifique, 13: 19 1-222. Septemtrionalem, a Republica Federata missa, Cadwaladaro MONOD, T., 1976. Sur une nouvelle coll ecti on de crustaces RINGGOLD et 1ohanne Rodgers DUCIBUS, observavit et descripsit. decapodes de Noumea (Nouvelle-Caledonie). Cahiers du Pars VIII. Crustacea Macrura. Proceedings oft he Academy ofNatu­ Pacifique, 19: 133- 152. ral Sciences of Philadelphia, 1860: 22-47. MORGAN, G. 1., 1988. A checklist of decapod Crustacea from the WEB ER, F. , 1795. Nomenclator enromologicus secundum Madang region, Papua New Guinea. Science in New Guinea, Enromologiam sysremaricwn ill. Fabricii adjecris speciebus recens 14(3): 124-139. derecris et varieratibus. Chileni i et Hamburgii (not seen) NOBILl, G. , 1899. Contribuzioni ali a conoscenza della fauna ZEHNTN ER, L. 1894. Voyage de MM. M. Bedot et C.Pictet dans carcinologica della Papuasia, delle Molluche e dell' Australia. I' Archipel Mal ais. Crustaces de I' Archipel Malais. Revue Suisse de Annali del Museo Civico di Sroria Narurale di Genova, series 2, Zoologie et Annates du Musee d'Hisroire Narurelle de Geneve, 2: 20(40): 230-282. 135-214, Plates 7-9. NOBILl, G. , 190 I. Decapodi e Stomatopodi Eritrei del Museo Zoologico dell 'Universita di Napoli. Annuario del Museo Zoologico della R. Universitil di Napoli, new series, I (3): 1-20 NOB ILl , G., 1904. Diagnoses preli minaires de vingt-huit especes Sammy DE GRAVE nouvell es de Stomatopodes et Decapodes Macroures de Ia mer Department of Invertebrates Rouge. Bullerin du Museum d 'Histoire Nature lie, Paris, I 0(5): Koninklijk Belgisch Instituut voor Natuurwetenschappen, 228-238. Brussels, Belgium. NOB ILl , G. , 1905. Decapodes nouveaux des cotes d' Arabie et du Present address: Golfe Persique (Diagnoses preliminaires). 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