stagnalis, Idus Dubalen [P. E.] 1913:76 [Procès-Verbaux de la Société Linnéenne de Bordeaux v. 67; ref. 14147] Vendays, Cazaux, Sanguinet, Parentis, Léon, Pissos, France. Syntypes: whereabouts unknown. •Synonym of Leuciscus idus (Linnaeus 1758), but a doubtful valid subspecies -- (Lelek 1987:203 [ref. 22962]). •Synonym of Leuciscus leuciscus (Linnaeus 1758) -- (Kottelat 1997:69 [ref. 22952]). Current status: Synonym of Leuciscus leuciscus (Linnaeus 1758). Leuciscidae: Leuciscinae. Habitat: freshwater, brackish.