squalius, Leuciscus Valenciennes [A.] in Cuvier & Valenciennes 1844:191 [Histoire naturelle des poissons v. 17; ref. 1010] Italy. Lectotype: MNHN 0000-3914. Paralectotypes: MNHN B-2588 [ex MNHN 0000-3914] (1), 5421 (4). Type catalog: Bertin & Estève 1948:62 [ref. 19574], Almaça 1969:1124 [ref. 20712]. Lectotype selected by Almaça 1969:1124 [ref. 20712]. •Synonym of Leuciscus cephalus (Linnaeus 1758) -- (Kottelat 1997:65 [ref. 22952]). •Synonym of Squalius cephalus (Linnaeus 1758). •? Synonym of Squalius squalus (Bonaparte 1837). Current status: Synonym of Squalius cephalus (Linnaeus 1758). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.