swanky sweeper

description

Figs 12, 13, Suppl. material 2 Standard Japanese name: Minami-hatampo

A review of the genus Pempheris (Teleostei, Pempheridae) found in Japan and Taiwan

diagnosis

Diagnosis. Counts of holotype and paratypes are given in Table 2. Dorsal-fin rays VI – VII, very rarely VII, 9 – 10, very rarely 10; anal-fin rays III, 35 – 42, usually> 37; pectoral-fin rays 16 – 18; pored lateral-line scales 44 – 53; scale rows above lateral line 3 ½ or 4 ½, very rarely 4 ½; scale rows below lateral line 10 – 13; predorsal scales 23 – 30; circumpeduncular scales 10 – 12; gill rakers 6 – 9 + 18 – 22 = 25 – 30; head length 27.9 – 33.0 %; body depth 40.2 – 47.2 %; eye diameter 35.5 – 45.5 %; upper jaw length 50.0 – 56.7 %; maximum 126 mm SL; scales weakly ctenoid, deciduous, thin, semicircular in shape, far wider than long (see Koeda et al. 2013 a: fig. 2 a); body golden in day time and silverish in night time; tip of dorsal fin and / or anterior margin of dorsal fin blackish; faint blackish band on anal-fin outer margin; blackish band on anal-fin base; posterior margin of caudal fin dusky; no blackish blotch on pectoral-fin base; posterior nostril usually slit-like; narrow band of villiform teeth in jaws; abdomen cross-sectional outline V-shaped.

A review of the genus Pempheris (Teleostei, Pempheridae) found in Japan and Taiwan

distribution

Distribution. Widely distributed in the western Pacific Ocean. In Japanese waters, this species is known from Tanega-shima to Yonaguni-jima islands in the Ryukyu Archipelago, Minamidaito-jima Island in Daito Islands, and very rarely collected from Minamisatsuma in Kagoshima Prefecture. In Taiwanese waters, this species is known from Daxi in Yilan County, Gungliau and Yeh Liu in New Taipei City, Chi-gu in Tainan County, Ke-tzu-liao in Kaohsiung County, Hengchung, and Dong-gang, Kenting in Pingtung County, Fugang in Taitung County, Lanyu, and Penghu (Fig. 13). Specimens are collected from the caves or crevasses in coral reef areas of 0 – 25 m depth.

A review of the genus Pempheris (Teleostei, Pempheridae) found in Japan and Taiwan