stevenii, Gobius Nordmann [A. von] 1840:432, Pl. 13 (fig. 1) [Voyage dans la Russie méridionale et la Crimée; ref. 3209] Kertch, Crimea, Russia. Syntypes: whereabouts unknown. •Synonym of Neogobius fluviatilis (Pallas 1814) -- (Berg 1949:1091 [ref. 20662], Miller 1973:502 [ref. 6888], Kottelat 1997:178 [ref. 22952], Vasil'eva 1998:139 [ref. 23591], Pinchuk et al. 2003:222 [ref. 27349] as steveni, Vasil'eva 2003:S49 [ref. 28444] as steveni, Neilson & Stepien 2009:96 [ref. 30487], Parin et al. 2014:493 [ref. 33547], Parenti 2021:73 [ref. 38603]). Current status: Synonym of Neogobius fluviatilis (Pallas 1814). Gobiidae: Gobiinae. Habitat: freshwater, brackish, marine.