lepusculus, Squalius Heckel [J. J.] 1852:109, Pl. 11 (figs. 1-4) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 9; ref. 18260] Danube River headwaters, Austria, Poland and Czech Republic. Syntypes: NMW 49393 (2), 49345 (2), 49347-48 (2, 1), 49359 (2). •Synonym of Leuciscus leuciscus (Linnaeus 1758) -- (Kottelat 1997:68 [ref. 22952]). Current status: Synonym of Leuciscus leuciscus (Linnaeus 1758). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.