constructor, Gobius Nordmann [A. von] 1840:427, Pl. 9 (fig. 2) [Voyage dans la Russie méridionale et la Crimée; ref. 3209] Black Sea, rapid torrents in Abasie, Drandarium, Ghouriel. Syntypes: ?MNHN A-1196 (1) from Abasie, ZMB 2096 (1). Type catalog: Bauchot et al. 1991:29 [ref. 19958] as Gobius constructor. •Synonym of Neogobius cephalarges (Pallas 1814), but a valid subspecies as described -- (Berg 1949:1087 [ref. 20662]). •Synonym of Neogobius platyrostris (Pallas 1814), but a valid subspecies as described -- (Pinchuk 1977:590 [ref. 8999], Reshetnikov et al. 1997:756 [ref. 24702], Vasil'eva 1998:142 [ref. 23591]). •Synonym of Gobius constructor Nordmann 1840, but a valid subspecies -- (Michajlova 1989:25 [ref. 20062]). •In part a synonym of Neogobius rhodioni Vasil'eva & Vasil'ev 1994 -- (Vasil'eva 1998:142 [ref. 23591]). •See also Coad 1995:31 [ref. 23608]. •Synonym of Neogobius rhodioni Vasil'eva & Vasil'ev 1994 -- (Vasil'eva & Vasil'ev 2003:370 [ref. 27347]). •Valid as Neogobius constructor (Nordmann 1840) -- (Vasil'eva & Vasil'ev 1994:747 [ref. 22082], Vasil'eva & Vasil'ev 2003:193 [ref. 27347], Bogutskaya & Naseka 2004:229 [ref. 28183], Kovačić & Engín 2008:79 [ref. 29624], Fricke et al. 2007:105 [ref. 29533], Kottelat & Freyhof 2007:577 [ref. 29996], Ninua & Japoshvili 2008:172 [ref. 31251]). •Valid as Ponticola constructor (Nordmann 1840) -- (Neilson & Stepien 2009:97 [ref. 30487], Freyhof 2011:286 [ref. 31742], Stepien & Neilson 2013:2 [ref. 35325], Çiçek et al. 2015:152 [ref. 35151], Vasil'eva et al. 2016:9 [ref. 34347], Çiçek et al. 2020:256 [ref. 37644], Kuljanishvili et al. 2020:[5] [ref. 37535], Parenti 2021:74 [ref. 38603], Çiçek et al. 2023:432 [ref. 40625], Epitashvili et al. 2023:7 [ref. 40224], Çiçek et al. 2024:310 [ref. 40789]). Current status: Valid as Ponticola constructor (Nordmann 1840). Gobiidae: Gobiinae. Distribution: Eurasia: eastern Black Sea basin. Habitat: freshwater.