01 The BEAGLE Occasional Papers of The Northern Territory Museum of Arts and Sciences Hditonal Address: (i.P.O. Box 4646, Darwin, N.T.. Australia 5794 Vol. 1 No. 5 ISSN 0811-3653 July 1983 ADDITIONS TO THE MARINE FAUNA OF THE NORTHERN TERRITORY 1. DECAPOD CRUSTACEA: CARIDEA AND STENOPODIDEA CRUSLACEA LI?T;;J:Y SMII'H F'ONIAH INS'?. A. J. BRUCE RET UK:-j :?o V/~ L.VJ Division of Natural Sciences, Northern Territory Museum, G.P.O. Box 4646, Darwin, Australia 5794 ABSTRACT Records are provided of the occurrence of 25 species of caridean shrimp and one stenopodidean shrimp not previously reported from the waters of the Northern Territory, Australia. Two species, Leptochela pugnax, and Processa aequimana are recorded from Australian waters for the first time and Chernocaris placunae, also new to the Australian fauna, is reported for the second time only. INTRODUCTION In common with many other groups of further additional species will be published marine animals, the crustacean fauna of the as data becomes available. Northern Territory of Australia has been The specimens are deposited in the little studied. Recent preliminary studies collections of the Northern Territory have indicated that a rich fauna is present. Museum and the catalogue numbers are Many common and well known Indo-West indicated at the end of the section on Pacific marine species have never been material. recorded in the zoological literature as ATYIDAE De Haan, 1849 occurring in the Northern Territory. The Caridina gracilirostris De Man present report confirms the occurrence of Restricted synonymy: several of these in Northern Territory Caridina gracilirostris De Man, 1892:399. waters together with details of some less Material — 7 (4 ov. $), Darwin River common species and three that are new to Dam, 1 November 1981, coll. J. R. Hanley, the Australian fauna. Subsequent reports of (NTM Cr.000084). 42 A. J. Bruce July 1983 Distribution — Previously recorded in Material — 1, Six Mile Buoy, Darwin Australian only from Cairns. Also known Harbour, 12 m, 30 April 1981 coll. T. from Indonesia and the Phillippines. Griffith, (NTM Cr.000002). Remarks — Collected from 0.1 m depth Distribution — Previous Australian over dead leaf litter. records are only from the southern Great Barrier Reef. Also known from East Africa PASIPHAEIDAE Dana, 1852 to Japan and New Caledonia. Leptochela pugnax De Man Remarks — A pair of specimens were Restricted synonymy: observed by the collector, engaged in Leptochela pugnax De Man, 1916:148. cleaning a frog fish, but only one was Material — 28 spms., Cape Don, caught. Cobourg Peninsula, 11°20.0'S. 131°48.3'E., 20 m, trawl, 13 October 1981, coll. A. J. Subfamily Pontoniinae Kingsley, 1878 Bruce, (NTM Cr.000119). Palaemonella rotumana (Borradaile) Distribution — Not previously recorded Restricted synonymy: from Australian seas. Type material Periclimenes rotumanus Borradaile, 1898: recorded from five localities between Java 1005, pi. 63 fig. 5. and Moluccas. Otherwise recorded from Palaemonella rotumana — Bruce, 1970: South Africa to Japan and the Philippines. 276-279, fig. 2, pi. 1 e-f. Remarks — The specimens were Material — lcf, 1$, Stokes Hill Wharf, collected in a fine meshed trawl over muddy Darwin Harbour, 8 June 1976, coll. B. sand (but may have been caught in the Smith, A. J. Dartnoll, G. F. Gow, (NTM overlying water column), at night from Cr. 000076). 2100-2130 hr. Distribution — First recorded from the Low Isles, Queensland, in Australian waters PALAEMONIDAE Samouelle, 1819 by McNeill (1968) and subsequently from Subfamily Palaemoninae Dana, 1852 the Capricorn Islands and Moreton Bay, Queensland. Common through the whole Palaemonetes australis Dakin Indo-West Pacific region and also found in Restricted synonymy: the eastern Mediterranean Sea. Palaemonetes australis Dakin, 1915: Remarks — The specimens were 571-574. collected from wharf pilings removed from Material — 2, Ludmilla Creek, Darwin, the sea. The male is unusually large with a 15 September 1981, coll. J. N. A. Hooper, post-rostral carapace length of 5.4 mm and (NTM Cr.000045). has a rostral dentition of 10/4. Distribution — Previously recorded only from S.W. Australia. Periclimenes tenuipes Borradaile Remarks — Not known from outside Restricted synonymy: Australia. Collected from pools at the Periclimenes tenuipes Borradaile, 1898a: mouth of a mangrove creek. 384. Material — lcf, Anglers Reef, Lee Leandrites cyrtorhynchus Point, Darwin, 12 m, 26 April 1981, coll. T. Fujino & Miyake Griffith, (NTM Cr.000003). Restricted synonymy: Distribution — Previously recorded from Leandrites cyrtorhynchus Fujino & Miyake, Wistari Reef, Capricorn Islands, 1969 143:149, figs. 1-3. Queensland. Known from East Africa to Additions to the Marine Fauna, I 43 Palau and Enewetak Atoll, Marshall Periclimenes holthuisi Bruce, 1969: 258-259. Islands. Material— lcf, 1 ov.$, Sandy Island Remarks — Usually apparently No. 2, Cobourg Peninsula, 6-7 m, 22 free-living and nocturnal, but has also been October 1981, coll. J. R. Hanley, scuba, reported as associated with anemones (NTM Cr.000117). (Read, 1974) and feeding on their mucus. Distribution — Previously recorded from Periclimenes amymone De Man Bowen, and later from Peloris Island, Moreton Bay and Heron Island, Restricted synonymy: Queensland. Otherwise known from the Periclimenes amymone De Man, 1902: 829, Red Sea to the Caroline Islands and from pi. 25 fig. 53. Japan to New Caledonia. Material— 2, Dudley Point, Darwin, low water spring tide level on reef flat, 17 Remarks — The two specimens were September 1981, coll. A. J. Bruce, (NTM associated with an unidentified anemone. Cr.000061). This species also associates with jellyfish Distribution — Previously recorded from and certain corals. Heron Island and One Tree Island, Periclimenes spiniferus De Man Capricorn Islands, Queensland. Also known from the Nicobar Islands to Samoa. Restricted synonymy: Remarks — The specimens were Periclimenes petitthouarsi var. spinifera De collected from small colonies of Acropora in Man, 1902: 824. shallow muddy reef flat pools. Periclimenes (Falciger) spiniferus — Borradaile, 1917: 324, 369, pi. 52 fig. 1. Periclimenes brevicarpalis Schenkel Material— 2, Dudley Point, Darwin, low Restricted synonymy: spring tide level, reef flat, 18 September Ancylocaris brevicarpalis Schenkel, 1902: 1981, coll. A. J. Bruce, (NTM Cr.000131). 563, pi. 13 fig. 21. Distribution — First recorded in Periclimenes (Ancylocaris) brevicarpalis — Australia from North West Isle, Capricorn Kemp, 1922: 185-191, figs. 40-42, pi. 6 Group, Queensland, by McNeill (1926) and fig. 8. later from Heron Island. Also known from Material — 1 juv., Dudley Point, the Low Isles and Lizard Island. Known Darwin, intertidal, 19 September 1981, coll. from most of the Indo-West Pacific region A. J. Bruce, (NTM Cr.000120). except the NW Indian Ocean and Red Sea. Distribution — Reported from the Great Remarks — Present specimens were Barrier Reef by Saville-Kent (1873) and collected from muddy reef flat pools with subsequently from numerous Queensland corals and algae. localities and also the Monte Bello Islands, Western Australia. Common throughout Anchistus australis Bruce the whole Indo-West Pacific region in Restricted synonymy: suitable habitats, excluding Hawaii and Anchistus australis Bruce, 1977: 56-62, figs. South east Polynesia. 7-9. Remarks — The single juvenile example Material — 2d1, 2 ovig. Coral Bay, was collected from an unidentified anemone Port Essington, 3m, 23 June 1981, coll. A. J. in an intertidal pool at low water spring tide Bruce, (NTM Cr.000091). level. Distribution — Previously recorded from Periclimenes holthuisi Bruce Capre Cay, Swain Reefs; Michaelmas Reef, Restricted synonymy: and Heron Island, Queensland, in 44 A. J. Bruce July 1983 Australian waters. Otherwise known only Material — 6cf, 1$, 5 ovig. F.V. from Fiji. 'Anson', Arafura Sea, 12°58.0'S, Remarks — The two pairs of specimens 132°10.0'E., trawl, 27 m, 19 October 1981, were each found in the branchial cavity of coll. A. J. Bruce, (NTM Cr.000102). the giant clam, Tridacna squamosa. Distribution — Not previously recorded from Australian waters. Known only from Anchistus custos (Forskal) the original pair of type specimens collected Restricted synonymy: from Singapore. Cancer custos (Forskal), 1775: 94. Remarks — All specimens were found in Anchistus custos — Holthuis, 1952: 105- male-female pairs in the mantle cavity of the 109, figs. 43-401. bivalve Placuna placenta, as were the type Material— 3cf, 3$ (2 ovig.), Coral Bay, specimens. The very thin valves of this Port Essington, 6 m, 17 October 1981, coll. mollusc permit the females of the shrimp to A. J. Bruce, (NTM Cr.000133). be discerned through the valves, where they Distribution — First recorded in Austra- are rendered conspicuous by their bright lian waters by Miers (1884) from Port Molle orange ovaries and ova. and Bowen, Queensland, and Shark Bay, Western Australia. Also known from the Ischnopontonia lophos (Barnard) Monte Bello Islands, St. Vincents Gulf and Restricted synonymy: the Great Barrier Reef. Common through- Philarius lophos Barnard, 1962: 242-243, out the Indo-West Pacific region. fig. 2. Remarks — The specimens were found, Ischnopontonia lophos — Bruce, 1966: 585- as is usual for this species, in association 589, figs. 1-5. with bivalves of the genus Pinna, P. muri- Material — One second pereiopod only, cata. Dudley Point, Darwin, low water spring tide level, 18 September 1981, coll. A. J. Bruce. Conchodytes monodactylus Holthuis Distribution — Previously