kosswigii, Bubyr caucasicus Sözer [F.] 1941:159, Figured [Revue de la Faculté des Sciences de l'Université d'Instanbul, Série B: Sciences Naturelles v. 6 (nos 1-2); ref. 13222] Lake Manyas, Anatolia, Turkey. Syntypes: (7) whereabouts unknown. •Synonym of Knipowitschia caucasica (Kavraisky 1816 or Berg 1816) -- (Miller 1973:497 [ref. 6888], Economidis & Miller 1990:153 [ref. 16710], Kottelat 1997:177 [ref. 22952]). •Synonym of Knipowitschia caucasica (Berg 1916) -- (Miller et al. in Miller 2004:343 [ref. 27853], Jouladeh-Roudbar et al. 2020:235 [ref. 37983], Çiçek et al. 2024:317 [ref. 40789]). Current status: Synonym of Knipowitschia caucasica (Berg 1916). Gobiidae: Gobionellinae. Habitat: freshwater, brackish, marine.