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The Genus Stichopus (Echinodermata: Holothuroidea) from the Johore Marine Park (Malaysia) with the Description of Two New Species by C

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The Genus Stichopus (Echinodermata: Holothuroidea) from the Johore Marine Park (Malaysia) with the Description of Two New Species by C BULLETIN DE L’INSTITUT ROYAL DES SCIENCES NATURELLES DE BELGIQUE, BIOLOGIE, 72: 73-99, 2002 BULLETIN VAN HET KONINKLIJK BELGISCH INSTITUUT VOOR NATUURWETENSCHAPPEN, BIOLOGIE, 72: 73-99, 2002 The genus Stichopus (Echinodermata: Holothuroidea) from the Johore Marine Park (Malaysia) with the description of two new species by C. MASSIN, Y. ZULFIGAR, A. TAN SHAU HWAI & S.Z. RIZAL BOSS Abstract present in the Johore Marine Park (South China Sea, Malay­ sia). Once again, some stichopodids are reported as The study of the holothurian genus Stichopus from the Johore Ma­ Stichopus sp. 1, sp. 2, sp. 3. Two other works (ZULFIGAR et rine Park (Malaysia) revealed at least six different species, two be­ a i, 1999, 2001a) deal with the taxonomy of Stichopus ing new to science: Stichopus ocellatus n. sp. and Stichopus herrmanni and Stichopus variegatus. These studies fail to rubermaculosus n. sp. Each species is fully described and illus­ reveal any obvious differences in their internal anatomy trated. For the known species a list of records and the geographic (Polian vesicle, stone canal, madreporic plate) but show distribution are given. A seventh species, Stichopus clear differences in some of their ossicles. The present paper monotuberculatus, not yet recorded from the Johore Marine Park, but likely to be found there, is included in an identification key will try to clarify the taxonomic status of the stichopodids based on ossicle characters, colour patterns and behaviour. from the Johore Marine Park. Key words: Stichopus, Holothuroidea, new species, identification key, South China Sea, Malaysia Material and methods Several expeditions to the Johore Marine Park, organised by Résumé the Universiti Sains Malaysia (10-15 March, 14-23 April and 11-17 September 1998, 13-21 March, 14-28 April and 21-24 L’étude des holothuries du genre Stichopus provenant du ‘Johore Marine Park’ permet de distinguer au moins six espèces différentes, November 1999,03-11 August 2000), allowed to photograph dont deux sont nouvelles pour la science: Stichopus ocellatus n. sp. and to collect holothurians and more particularly et Stichopus rubermaculosus n. sp.. Chaque espèce est décrite et stichopodids during day and night dives. The islands visited illustrée. Pour les espèces connues la liste des citations et la distri­ were Pulau Besar, Pulau Pemanggil, and Pulau Aur (map 1). bution géographique sont données. Une septième espèce, Stichopus Comparative material was also collected along the north monotuberculatus, non encore mentionnée du ‘Johore Marine Park’ coast of Papua New Guinea (Hansa Bay, Madang) by one of mais potentiellement présente est inclue dans une clé d’identifica­ us (C.M.)(map 2). Most of the material was collected in shal­ tion basée sur les spicules, la coloration de la peau et le comporte­ low waters (1-20 m depth). Each specimen was relaxed for a ment. few hours in 3.5% M gCl, then transferred to 10% buffered Mots-clefs: Stichopus, Holothuroidea, nouvelle espèce, clef d’iden­ formalin for a few months and preserved in buffered 75% tification, Mer de Chine du Sud, Malaisie alcohol. Ossicles were prepared for light microscopy. For each known stichopodid species a list of records, as com­ plete as possible mainly for recent papers (1980-2001), is Introduction given. For older references we refer to synthetic works. Pa­ pers dealing with physiology and biochemistry were not The holothurian fauna of Malaysia has been dealt with in two taken into account unless they give a new locality for the dis­ recent publications: Baine & FORBES (1998) record three tribution o f a species. unidentified Stichopus species as Stichopus sp. 1, sp. 2, and The present study is based on material from the Institut royal sp. 3, but these are not included by FORBES et al. (1999). des Sciences naturelles de Belgique, Bruxelles (IRSNB), ZuLFiGAR & T a n S h a u H w ai (1999), R iz a l B o s set al. Naturalis, Leiden (RMNH) and the Universiti Sains Malay­ (1999) and ZULFIGARet al. (2001b) give lists of species sia, George Town, Pulau Pinang Malaysia (USMPPM). The genus Stichopus from the Johore Marine Park (Malaysia) 75 74 C. MASSIN, Y. ZULFIGAR, A. TAN SHAU HWAI & S.Z. RIZAL BOSS Taxonomical account O. Aspidochirotida G ru b e, 1840 SOUTH CHINA SEA F. Stichopodidae HAECKEL, 1896 u t m m t o G E O R G E G. Stichopus Brandt, 1835 TOW N 0 Stichopus chloronotus BR A N D T, 1835 MALAYSIA Figs 1A-P, 2A-E; pi. 1A SYNONYMY KUALA LUMPUR Stichopus (Perideris) chloronotos B r a n d t , 1835: 50. MERSING Stichopus chloronotus; P a n n i n g , 1944: 30, fig 3a-e (records before 1940); D a w i d o f f , 1952: 118; L o i & S a c h , 1963: SUMATRA SINGAPORE 238, pi. 1, fig. A, pi. VI, fig. 1; L o i, 1967: 230; CLARK & O R o w e , 1971: 178, pi. 27, fig. 18;H u m p h r e y s & L ü t z e n , 1972: 4; TOWNSLEY & TOWNSLEY, 1972: 176; ANON, 1979: TIOMAN 18, text fig.; L e v i n , 1979: 22; SLOANet a l, 1979: 123; LAW­ RENCE, 1980: 202; M a r y B a i, 1980: 16, text fig. 101; Grosenbaugh, 1981: 51; T a n T i u , 1981: 65, pl.7; fig. 1-3; PEM ANGGIL K r o p p , 1982: 447; P r i c e , 1982: 11; M ukhopadhyay & S a m a n t a , 1983: 312; C l a r k , A.M., 1984: 99;R e y e s - PINANG Çj BESAR L e o n a r d o , 1984: 151, pi. 9, fig. la-d; J a m e s , 1985: 404; M ERSING AUR- P r i c e & R e id , 1985: 6, fig. 3; Reyes-Leonardo et al., 1985: 267; Brouns & Heijs, 1986: 175; F é r a l & TINGGI 0 Cherbonnier, 1986: 94, text fig.;M a r s h , 1986: 73;C a n ­ MALAYSIA n o n & S i l v e r , 1986: 27, figs 4h, 7h;G e o r g e & G e o r g e , 1987: 246; CHERBONNIER, 1988: 146, fig. 60A-O (synonymy Map 1. Collecting sites in the Johore Marine Park: Pulau Besar, and records before 1980); M ukhopadhyay, 1988: 9;C h a m ­ Pulau Pemanggil and Pulau Aur. b e r s , 1989: 89;C o n a n d , 1989: 30, fig. 3;L e v i n & D a o , 1989: 52; JAMES, 1989: 13; JANGOUXet a l, 1989: 163; K alashnikov, 1989: 68, fig. 5;Zoutendijk, 1989: 2; M e E l r o y , 1990: 3;G illiland, 1993: pl.6,figs7-10;MARSHei al., 1993: 64; SOMMERVILLE, 1993: 4; ALLEN & STEENE, 1994: 245; FlEGEe ta l, 1994: 87; HOLLAND, 1994: 2; JAMES, 1994: 27; JAMES & JAMES, 1994:12, VI;pi. JAMES & M anikfian, 1994: 103, pi. 1C;K e r r , 1994: 163;M a r s h , 1994a: 11;U t h i c k e , 1994: 569;C o l i n & A r n e s o n , 1995: 262, fig. 1237; R o w e & G a t e s , 1995: 323;S a n t , 1995: 27; B r i t a y e v & Zam ishliak, 1996: 180;G o s l i n e r i a/., 1996: 281, fig. 1035; L i a o , 1997: 151, fig. 87a-f (synonymy and records before 1995);R o w e & R i c h m o n d , 1997: 306, fig. p. O HANSA BAY 307; T s u d a , 1997: 16;U t h i c k e , 1997: 438;K l i n g e r & J o h n s o n , 1998: 468;A b d u l a , 1998: 34;B a i n e & F o r b e s , 5° S MADANG □ , 1998:4; C o n a n d , 1998: 1186, text fig.;C o n a n d et a i, 1998: 15;J a m e s , 1998: 13 (records for India); MOORE, 1998: °o os 100 um PAPUA NEW GUINEA 32; Reichenbach et a l, 1998: 14;L i a o , 1998: 80;F o r b e s e t a l, 1999:9;U t h i c k e &KAREZ, 1999; 71;U t h i c k e etal., 1999: 123; ZULFIGAR &Tan Shau Hwai, 1999: 77; Bussaraw it & Thongthan, 1999: 35;R izal Boss et a l, 1999: 39; SAMYN, 2000: 15;S c h o p p e , 2000a: 11; SAMYN & Vanden Berghe, 2000: 30, pi. 2D; Tan Shau Hwai & PORT MORESBY ZULFIGAR, 2001: 389; HOAREAU & CONAND, 2001: 4; U t h i c k e , 2001: 125; ZULFIGAR etal., 2001b: 364. Stichopus chloromatus SUTAM AN, 1993: 23, fig. 9. 500 km Green Fish, A d a m s , 1992: 13;A n o n , 1996: 13. 1. Stichopus chloronotus B r a n d t , 1835. L = 250 mm . A: Tables of the dorsal body wall; B: C-shaped rods of the dor al body all, AUSTRALIA C: tables of the ventral body wall; D: C-shaped rods of the ventral body wall; E: tables of the base of the dorsa papillae, F. C- MATERIAL EXAMINED shaped rod of the base of the dorsal papillae; G: rosettes and modified C-shaped rods from the top of the dorsal papillae . - 145° E shaped rods of the top of the dorsal papillae; J: tables of the top of the dorsal papillae; K: small perforated plates from the top of IRSNB IG 28680/48, Pulau Aur (Malaysia), 15.ix.98, 11 m the dorsal papillae; L: rods of the top of the dorsal papillae; M: tables of the tube feet; N: modified C-shaped rods of the tube feet, Map 2.
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