lugens, Gobius Nordmann [A. von] 1840:414, Pl. 9 (fig. 1) [Voyage dans la Russie méridionale et la Crimée; ref. 3209] Codor [Kodor, Corax] River, very rapid stream in Drudarium, Abasie [Abkhazia]. No types known. Gobius liegens is a misspelling. •Synonym of Neogobius melanostomus (Pallas 1814) -- (Berg 1949:1083 [ref. 20662], Miller 1973:503 [ref. 6888], Kottelat 1997:179 [ref. 22952], Vasil'eva 1998:141 [ref. 23591], Pinchuk et al. 2003:293 [ref. 27349], Vasil'eva 2003:S50 [ref. 28444], Neilson & Stepien 2009:96 [ref. 30487], Parin et al. 2014:494 [ref. 33547], Jouladeh-Roudbar et al. 2020:237 [ref. 37983], Parenti 2021:73 [ref. 38603]). Current status: Synonym of Neogobius melanostomus (Pallas 1814). Gobiidae: Gobiinae. Habitat: freshwater, brackish, marine.