Species that contain: Gnathopogon and ishikawae [ 1 ] records

ishikawae, Gnathopogon Jordan [D. S.] & Thompson [W. F.] 1914:215, Pl. 24 (fig. 4) [Memoirs of the Carnegie Museum v. 6 (no. 4); ref. 2543] Chikugo River at Kurume, Japan. Holotype: CAS-SU 22607. Paratypes: FMNH 57077 (3), CAS-SU 7355 (10). Type catalog: Henn 1928:72 [ref. 12305], Böhlke 1953:32 [ref. 12291], Ibarra & Stewart 1987:40 [ref. 12367]. Böhlke 1953:32 [ref. 12291] has SU 22607 as paratype; see comment by Ibarra & Stewart 1987:40 [ref. 12367]. The spelling ishikawae is acceptable; early workers almost certainly Latinized the name first, and then added an 'e' (Art. 31.1.1) [WNE, 12 Mar. 2012]. •Synonym of Gnathopogon gracilis (Temminck & Schlegel 1846) -- (Okada 1961:436 [ref. 6363]). •Synonym of Squalidus gracilis (Temminck & Schlegel 1846) -- (Okamura & Machida 1987:104 [ref. 22279]). Current status: Synonym of Squalidus gracilis (Temminck & Schlegel 1846). Gobionidae. Habitat: freshwater.