pigus, Cyprinus Gronow [L. T.] in Gray 1854:183 [Catalogue of fish collected and described by Laurence Theodore Gronow; ref. 1911] Europe. Syntypes: BMNH 1853.11.12.154 [Gronovius coll.] (1, skin). Type catalog: Wheeler 1958:211 [ref. 13434] but as holotype. Objectively invalid; preoccupied by Cyprinus pigus Lacepède 1803. •Synonym of Rutilus rutilus (Linnaeus 1758) -- (Wheeler 1958:211 [ref. 13434], Kottelat 1997:81 [ref. 22952]). 1°Homonym. Current status: Synonym of Rutilus rutilus (Linnaeus 1758). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.