simus, Cyprinus Hermann [J.] 1804:325 [Observationes zoologicae; ref. 2146] No locality. No types known. •Questionably a synonym of Rutilus rutilus (Linnaeus 1758) -- (Kottelat 1997:80 [ref. 22952]). Current status: Uncertain as Rutilus rutilus (Linnaeus 1758). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.