Psopheticus musicus Guinot, 1990

Castro, Peter, 2007, A reappraisal of the family Goneplacidae MacLeay, 1838 (Crustacea, Decapoda, Brachyura) and revision of the subfamily Goneplacinae, with the description of 10 new genera and 18 new species, Zoosystema 29 (4), pp. 609-774 : 742-743

Psopheticus musicus Guinot, 1990

Psopheticus musicus Guinot, 1990: 334 [in key], 335 [in table], 355, figs 35-39, 52-54, 56 [Philippine Is]. — Takeda et al. 2005: 112, fig. 3A [ Japan].

Psopheticus stridulans – Sakai 1955: 108, fig. 2; 1976: 530, pl. 193, fig. 3 [ Japan]. — Zarenkov 1972: 231, figs 2, 6-5 [ Vietnam]. — Miyake 1991: 149, 220 [in list], pl. 50, fig. 2 [colour] [ Japan]. — Ikeda 1998: 15, 43, 138, pl. 58 [ Japan]. — Muraoka 1998: 47 [in list] [ Japan]. — Hsueh & Huang 2002: 126 [in key], 126, figs 8E, 12 [ Taiwan]. — Takeda et al. 2006: 205 [in list] [ Japan] (not Psopheticus stridulans Wood-Mason, 1892 ).

TYPE MATERIAL. — MUSORSTOM 3, stn CP 125, ♂ holotype, cl 23.2 mm, cw 31.1 mm ( MNHN-B 16582 ) ; 2 ♀♀ paratypes (cl 22.7 mm, cw 28.5 mm; cl 15.2 mm, cw 20.2 mm) ( MNHN-B 16583 ) .

TYPE LOCALITY. — Philippine Islands, Mindoro Strait, 11°57.7’N, 121°28.5’E, 388- 404 m.

MATERIAL EXAMINED. — Japan. Honshu, Suruga Bay, Izu Peninsula, off Toi, stn C-010, 34°54.5’N, 138°44.2’E, 450-500 m, 21.III.2001, T. Komai coll., 1 ♂ ( CBM-ZC 6276). — Tosa Bay, K. Sakai coll., T. Sakai leg., IV.1961, 1 ♂ ( BMNH 1961.6.5.84).

Taiwan. TAIWAN 2000, stn CP 11, 22°18.6’N, 119°14.8’E, 262 m, 28.VII.2000, 1 ovig. ♀ ( MNHN-B 29679). — Stn CP 49, 22°55.2’N, 121°21.5’E, 266 m, 2.VIII.2000, 3 ♂♂, 3 ♀♀ ( MNHN-B 29670).

TAIWAN 2001, stn CP 77, 24°54.2’N, 122°02.5’E, 360-400 m, 7.V.2001, 2 ♂♂ ( MMBA). — Stn CP 90, 24°53.6’N, 122°01.4’E, 300-330 m, 10.V.2001, 1 ♀ ( MNHN-B 29682). — Stn CP 95, 24°55.8’N, 122°05.7’E, 269-360 m, 18.V.2001, 1 ovig. ♀ ( MNHN- B 29662). — Stn CP 102, 24°48.4’N, 122°08.0’E, 326-331 m, 19.V.2001, 2 ♂♂, 4 ♀♀ ( MNHN-B 29667). — Stn CP 103, 24°48.8’N, 122°06.0’E, 367- 424 m, 19.V.2001, 1 ♂, 1 ♀ ( MNHN-B 29684). — Stn CP 108, 24°48.2’N, 122°07.7’E, 295-337 m, 20.V.2001, 1 ♂, 1 ♀ ( MNHN-B 29674). — Stn CP 109, 24°48.3’N, 122°84.0’E, 246-256 m, 20.V.2001, 1 ♂, 1 ♀ ( MNHN-B 29677).

TAIWAN 2002, stn CP 160, 22°13.0’N, 120°28.8’E, 300 m, 24.V.2002, 1 pre-adult ♀ ( MNHN-B 29673). — Stn CP 161, 22°09.6’N, 120°35.5’E, 302 m, 25.V.2002, 2 ♂♂, 1 pre-adult ♂, 1 ovig. ♀ ( MNHN-B 29666). — Stn CP 162, 22°06.6’N, 120°37.9’E, 190-200 m, 25.V.2002, 1 ♂ ( MNHN-B 29683).

Kaohsiung, Tungkang fishing port, K. Lim & H. H. Tan coll., 23.XI.2001, 1 ♂ ( ZRC 2001.0248).

Philippine Islands. Mindoro Strait, MUSORSTOM 3, stn CP 125, 11°57’N, 121°28’E, 388-404 m, 4.VI.1985, ♂ holotype ( MNHN-B 16582), 2 ♀♀ paratypes ( MNHN-B 16583).

Bohol, Balicasag I., off Panglao I., tangle nets of local fishermen, 200-300 m, XII.2000, 3 ♂♂, 2 ♀♀ ( ZRC 2001.0367 ) ; 50-500 m, 28.XI.2001, 2 ♂♂ ( ZRC 2001.0542 ) ; 25-30.VII.2003, 1 ♂ ( ZRC 2004.0754 ). — XI.2003, 3 ♂♂ ( ZRC 2004.0791 ) ; XII.2003, 3 ♂♂, 2 ♀♀, 2 ovig. ♀♀ ( ZRC 2004.0792 ) ; I.2004, 2 ♂♂, 3 ♀♀ ( ZRC 2004.0793 ) ; II.2004, 3 ♂♂, 1 ♀ ( ZRC 2004.0794 ) ; 6 ♂♂, 4 ♀♀ ( ZRC 2004.0795 ) ; 3.2004, 3 ♂♂, 1 ♀ ( MNHN-B 29733 ) ; 29.V.2004, 1 ♂ ( ZRC 2004.0796 ). — Panglao I., Maribohoc Bay, tangle nets of local fishermen, 100-300 m, T. J. Arbasto coll., 11.VIII.2003 - 4.IV.2004, 6 ♂♂, 1 ♀ ( ZRC 2004.0797 ). — No data, 3 ♂♂ ( ZRC 2004.0715 ) .

PANGLAO 2004, stn P5, Pamilacan I., 09°30.0’N, 123°54.6’E, 100 m, tangle nets of local fishermen, 1.VI.2004, 1 ♂ ( ZRC 2004.0798).

PANGLAO 2005, stn CP 2331, Maribohoc Bay, 09°39.2’N, 123°47.5’E, 255-268 m, 22.V.2005, 1 preadult ♂ ( ZRC 2006.0196). — Stn CP 2332, Maribohoc Bay, 09°38.8’N, 123°45.9’E, 396-418 m, 22.V.2005, 1 ♀ ( ZRC 2006.0212). — Stn CP 2349, off Maribohoc Bay, 09°31.6’N, 123°55.7’E, 219-240 m, 24.V.2005, 1 ♀ ( ZRC 2006.0188). — Stn CP 2360, Bohol / Sulu seas sill, 08°48.9’N, 123°37.6’E, 357-372 m, 26.V.2005, 2 ♀♀ ( ZRC 2006.0186). — Stn 2393, off Balicasag I., 09°30.1’N, 123°41.6’E, 356-396 m, 30.V.2005, 1 ♂ ( ZRC 2006.0191). — Stn CP 2395, Maribohoc Bay, 09°36.2’N, 123°43.8’E, 382-434 m, 31.V.2005, 1 ♂ ( ZRC 2006.0200). — Stn CP 2405, Maribohoc Bay, 09°39.0’N, 123°46.1’E, 387-453 m, 1.VI.2005, 1 ♂ ( ZRC 2006.0198). — Stn CP 2407, Maribohoc Bay, 09°41.3’N, 123°48.5’E, 256-268 m, 1.VI.2005, 1 ♀ ( ZRC 2006.0204).

DISTRIBUTION. — Western Pacific Ocean: Japan (see Sakai 1976, as P. stridulans ), Taiwan ( Hsueh & Huang 2002, as P. stridulans ), Vietnam ( Zarenkov 1972, as P. stridulans ), and the Philippine Is ( Guinot 1990). Depth: 190- 521 m. Sakai (1976) reports it (as P. stridulans ), from depths of 75-150 m and Zarenkov (1972: 231) lists it (as P. stridulans ) at a questionable depth of 925 m. Specimens were also obtained from tangle nets of local fishermen in the Philippines that obtained material from at least an estimated depth of 50 m.

REMARKS

Diagnostic of P.musicus are smooth, unarmed P3-P5 carpi and propodi as observed with the naked eye. In most specimens the outer orbital teeth are triangular, foliaceous, and straight, and the anterolateral teeth are relatively short and triangular, not conspicuously slender ( Guinot 1990: figs 35, 37, 38). The shape and relative size of the outer orbital and anterolateral teeth, however, may vary as in other species of Psopheticus . Two of the characters used by Guinot (1990) to separate P. musicus from P.crosnieri , which is known only from Madagascar and la Réunion (outer orbital tooth that is oriented outwardly, anterolateral tooth that is slender, or spiniform, in P. crosnieri ) were observed in a few of the specimens collected in Bohol, Philippine Is.