aino, Chloea Schmidt [P. Yu.] 1904:207 [Fishes of the eastern seas of the Russian Empire; ref. 3946] Chepisani and Tunaichi Lakes, near Aniva Bay, southern Sakhalin Island, River Arzakul', Aniva Bay, Russia. Syntypes: ?NMW 82275 (1); ZIN 13106 (3), 13133 (10, now 8). •Synonym of Gymnogobius macrognathos (Bleeker 1860) -- (Berg 1949:1073 [ref. 20662] as macrognathus, Lindberg & Krasyukova 1975:377 [ref. 7348] as macrognathus). •Synonym of Chaenogobius annularis Gill 1859, subspecies urotaenia (Hilgendorf 1879) -- (Okada 1961:678 [ref. 6363]). •Synonym of Chaenogobius annularis Gill 1859 -- (Vasil'eva 1998:132 [ref. 23591]). •Synonym of Chaenogobius urotaenia (Hilgendorf 1879) -- (Stevenson 2002:303 [ref. 26489]). •Synonym of Gymnogobius urotaenia (Hilgendorf 1879) -- (Vasil'eva 2003:S47 [ref. 28444], Bogutskaya & Naseka 2004:224 [ref. 28183], Dyldin & Orlov 2017:191 [ref. 35257]). Current status: Synonym of Gymnogobius urotaenia (Hilgendorf 1879). Gobiidae: Gobionellinae. Habitat: freshwater, brackish.