Pterygotrigla (Pterygotrigla) ryukyuensis Kamohara 1958

Richards, William J. & Yato, Takuji, 2012, The tropical species of the subgenus Pterygotrigla (Pisces: Triglidae: Pterygotrigla) with description of a new species, Zootaxa 3484, pp. 53-64 : 56-57

Pterygotrigla (Pterygotrigla) ryukyuensis Kamohara 1958

Ryukyu gurnard

Figure 1 , Tables 1–4

Pterygotrigla ryukyuensis Matsubara & Hiyama 1932:11 , Figs 4–5, original description, Ryukyu Is., Japan. Holotype (unique), lost in World War II. Kamohara 1952:72, listed; Kamohara 1958:59, listed; Kamohara 1964: 78, listed; Ochiai & Yatou in Masuda et al. 1984:334, listed; Chen & Shao 1988:135, listed; Chen et al. 1997:171, listed; Gloerfelt-Tarp & Kailola 1985:118 –119, listed, brief description; Richards 1999:2379, listed, key, illustration; Nakabo 2000:605, listed; Richards 2000:607, listed; Hutchins 2001:28, listed; Shinohara et al. 2001:317, listed; Nakabo 2002:605, listed; Shinohara et al. 2001:317, listed; Shinohara et al. 2005:427, listed.

Diagnosis. A species of the subgenus Pterygotrigla with no scales on the nape, prepectoral area, breast, or interpelvic area; cleithral spine long and strong (16–29 % SL), P1 12+3. Slight indication of possible hyperostosis of the first infraorbital bone and cleithral spine.

Material examined. AMS I.228210, 6(139–167 mm SL), Western Australia, Northwest Shelf; 190 km NW of Port Hedland, 18º16’S, 118º12’E, FRV Soela SO 2-82- 36, 298–320 m; CSIRO CA354, 1(149 mm SL), Western Australia, north of Forestier Island, 18o33’S, 118o00’E, FRV Courageous CG 034/693, 258– 270 m; CSIRO CA4431, 1(163 mm SL), Western Australia, Monte Bello Trough; 14o35.8’– 14o37.2’S, 121o49.4’– 121o47.4’E, FRV Soela SOO184/ 82, 300–304 m; CSIRO CA343, 1(201 mm SL), Western Australia; NW Shelf, 1978; CSIRO CA356, 1(170 mm SL), Western Australia, north of Forestier Island,; 1978; CSIRO CA318, 1(167 mm SL); Western Australia, north of Forestier Island,; 1978; SU 66864, 2(124–137 mm SL), South China Sea, 19º11’N, 112º20’E, 205–208 m; THUP 02293, 1(149 mm SL), South China Sea; WAM P26209, 1(178 mm SL); Western Australia, 18º18’S, 118º09’E, 297– 330 m.

Distribution. Indo-West Pacific from Japan southward through the South China Sea, Indonesia, and northwestern Australia.

Figures

FIGURE 1. Lateral view and dorsal view of head of Pterygotrigla ryukyuensis, 149 mm SL, CSIRO CA 354. Only a small patch of scales is shown to indicate scale size.