cyrius, Gobius Kessler [K. F.] 1874:273 [83] [Trudy St.-Peterburgskogo Obscestva Estestvoispytatelej = Travaux de la Société des Naturalistes de St. Pétersbourg. v. 5; ref. 18397] Kura River near Borzhomi, Georgia, Eurasia. Syntypes: ZIN 2235 (3). •Synonym of Neogobius cephalarges (Pallas 1814) -- (Berg 1949:1088 [ref. 20662]). •Synonym of Neogobius platyrostris (Pallas 1814) -- (Pinchuk 1977:590 [ref. 8999]). •Mention -- (Reshetnikov et al. 1997:756 [ref. 24702]). •Valid as Neogobius cyrius (Kessler 1874) -- (Vasil'eva & Vasil'ev 1994:747 [ref. 22082], Ahnelt & Holčík 1996:103 [ref. 24708], Coad 1998:103 [ref. 23869], Vasil'eva & Vasil'ev 2003:203 [ref. 27347], Fricke et al. 2007:105 [ref. 29533], Kovačić & Engín 2008:79 [ref. 29624]). •Valid as Ponticola cyrius (Kessler 1874) -- (Neilson & Stepien 2009:97 [ref. 30497], Esmaeili et al. 2010:378 [ref. 33391], Freyhof 2011:286 [ref. 31742], Stepien & Neilson 2013:2 [ref. 35325], Vasil'eva et al. 2015:196 [ref. 33862], Jouladeh-Roudbar et al. 2015:899 [ref. 34062], Çiçek et al. 2015:152 [ref. 35151], Vasil'eva et al. 2016:9 [ref. 34347], Esmaeili et al. 2017:84 [ref. 35254], Esmaeili et al. 2018:66 [ref. 36089], Çiçek et al. 2020:256 [ref. 37644], Kaya et al. 2020:340 [ref. 37582], Kuljanishvili et al. 2020:[5] [ref. 37535], Eagderi et al. 2020:29 [ref. 37931], Jouladeh-Roudbar et al. 2020:242 [ref. 37983], Parenti 2021:74 [ref. 38603], Zarei et al. 2022:423 [ref. 39354], Zarei et al. 2022:176 [ref. 39576], 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 cyrius (Kessler 1874). Gobiidae: Gobiinae. Distribution: Eurasia: Caspian Sea basin. Habitat: freshwater, brackish.