heterandrius, Leuciscus Battalgil [F.] 1940:74 [1], Figs. [Revue de la Faculté des Sciences de l'Université d'Instanbul, Série B: Sciences Naturelles v. 5 (nos 1/2); ref. 13233] Iznik Lake, northwestern Anatolia, Turkey. Holotype: IUSHM [Zool. Mus. Istanbul] 2500. Paratypes: IUSHM 2501-2546 (45). On p. 1 of separate. •Synonym of Leuciscus borysthenicus (Kessler 1859) -- (Berg 1949:561 [ref. 20661], Bogutskaya 1996:26 [ref. 22945], Kottelat 1997:64 [ref. 22952], Bogutskaya 1997:172 [ref. 23566]). •Synonym of Petroleuciscus borysthenicus (Kessler 1859) -- (Çiçek et al. 2024:236 [ref. 40789]). Current status: Synonym of Petroleuciscus borysthenicus (Kessler 1859). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.