Species that contain: Gnathopogon and elongatus [ 7 ] records

caerulescens, Squalius Sauvage [H.-E.] 1883:146 [Bulletin de la Société philomathique de Paris (7th Série) v. 7; ref. 3896] Lake Biwa, Japan. Holotype: MNHN. Zoological Record and some authors spell as coerulescens. •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846), but a valid subspecies caerulescens (Sauvage 1883) -- (Kuroda 1953:275 [ref. 39545], Okada 1961:427 [ref. 6363]). •Valid as Gnathopogon caerulescens (Sauvage 1883) -- (Bănărescu & Nalbant 1967:348 [ref. 20623], Sawada in Masuda et al. 1984:56 [ref. 6441], Kawanabe & Mizuno 1989:297 [ref. 25598], Naseka 1996:153 [ref. 22943], Watanabe 1998:263 [ref. 23491], Nakabo 2000:268 [ref. 25086], Matsuura et al. 2000:81 [ref. 26000], Nakabo 2002:268 [ref. 26001]). Current status: Valid as Gnathopogon caerulescens (Sauvage 1883). Gobionidae. Distribution: East Asia: Japan. Habitat: freshwater.

elongata, Capoeta Temminck [C. J.] & Schlegel [H.] 1846:200, Pl. 100 (figs. 1, 1a-b) [Fauna Japonica Parts 10-14; ref. 4374] Streams about Nagasaki, Japan. Lectotype: RMNH 2496. Paralectotypes: RMNH 36371 (1). Lectotype selected by Boeseman 1947:157 [ref. 12876]. •Valid as Gnathopogon elongatus (Temminck & Schlegel 1846), subspecies elongatus -- (Kuroda 1953:275 [ref. 39545], Okada 1961:424 [ref. 6363], Sato 1995:50 [ref. 25531], Matsuura et al. 2000:82 [ref. 26000], Nakabo 2002:268 [ref. 26001]). •Valid as Gnathopogon elongatus (Temminck & Schlegel 1846) -- (Bănărescu & Nalbant 1967:346 [ref. 20623], Sawada in Masuda et al. 1984:56 [ref. 6441], Kawanabe & Mizuno 1989:298 [ref. 25598], Naseka 1996:153 [ref. 22943], Watanabe 1998:263 [ref. 23491], Mizuno et al. 1999:6 [ref. 25311], Nakabo 2000:268 [ref. 25086]). Current status: Valid as Gnathopogon elongatus (Temminck & Schlegel 1846). Gobionidae. Distribution: East Asia: Japan. Habitat: freshwater.

guentheri, Leucogobio Ishikawa [C.] 1901:161, Pl. 3 (fig. 1) [Annotationes Zoologicae Japonenses v. 3 (pt 4); ref. 14756] Lake Biwa, western central Honshu, Japan. No types known. •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846) -- (Bănărescu & Nalbant 1967:346 [ref. 20623]). •Synonym of Gnathopogon elongatus, subspecies elongatus (Temminck & Schlegel 1846) -- (Okada 1961:424 [ref. 6363]). Current status: Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846). Gobionidae. Habitat: freshwater.

homogenes, Barbus Günther [A.] 1868:136 [Catalogue of the fishes in the British Museum v. 7; ref. 1990] Japan. Based on Capoeta elongata Temminck & Schlegel 1846:200, Pl. 100 (fig. 1) [ref. 4374] (not of Rüppell). •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846), subspecies elongatus -- (Okada 1961:424 [ref. 6363]). Current status: Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846). Gobionidae. Distribution: Japan. Habitat: freshwater.

jordani, Leucogobio Ishikawa [C.] 1901:163, Pl. 3 (fig. 2) [Annotationes Zoologicae Japonenses v. 3 (pt 4); ref. 14756] Lake Biwa, western central Honshu, Japan. No types known. •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846), subspecies coerulescens (Sauvage 1883) -- (Okada 1961:427 [ref. 6363]). •Synonym of Gnathopogon caerulescens (Sauvage 1883) -- (Bănărescu & Nalbant 1967:348 [ref. 20623] as coerulescens). Current status: Synonym of Gnathopogon caerulescens (Sauvage 1883). Gobionidae. Habitat: freshwater.

rasborina, Otakia Jordan [D. S.] & Snyder [J. O.] 1900:345, Pl. 9 (fig. 3) [Proceedings of the United States National Museum v. 23 (no. 1213); ref. 2502] Lake Biwa, Japan. Holotype (unique): USNM 49401. •Synonym of Gnathopogon elongatus (Temminck & Schlegel), subspecies caerulescens (Sauvage 1883) -- (Okada 1961:427 [ref. 6363]). •Synonym of Gnathopogon caerulescens (Sauvage 1883) -- (Bănărescu & Nalbant 1967:348 [ref. 20623] as coerulescens). Current status: Synonym of Gnathopogon caerulescens (Sauvage 1883). Gobionidae. Habitat: freshwater.

suwae, Gnathopogon Jordan [D. S.] & Hubbs [C. L.] 1925:166 [Memoirs of the Carnegie Museum v. 10 (no. 2); ref. 2486] Lake Suwa at Kamisuwa, Shinshu, Japan. Holotype: FMNH 58708 [ex CM 7814]. Paratypes: (13) AMNH 26743 (2), CAS-SU 23541 (7), UMMZ 142988-89 (2, 1). Type catalog: Henn 1928:72 [ref. 12305], Böhlke 1953:32 [ref. 12291], Ibarra & Stewart 1987:40 [ref. 12367]. •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846) -- (Bănărescu & Nalbant 1967:346 [ref. 20623]). •Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846), but a valid subspecies -- (Nakabo 2000:268 [ref. 25086], Nakabo 2002:268 [ref. 26001]). Current status: Synonym of Gnathopogon elongatus (Temminck & Schlegel 1846). Gobionidae. Habitat: freshwater.