lacustris, Cyprinus Pallas [P. S.] 1814:314 [Zoographia Rosso-Asiatica v. 3; ref. 3351] Siberia, Russia. Syntypes: whereabouts unknown. •Synonym of Rutilus rutilus (Linnaeus 1758), but a valid subspecies -- (Berg 1949:499 [ref. 20661], Mitrofanov et al. 1987:13 [ref. 37731], Zhu 1995:29 [ref. 25213], Chereshnev 1996:601 [ref. 24659], Bogutskaya 1997:179 [ref. 23566], Luo in Chen et al. 1998:89 [ref. 23878], Sideleva 2001:50 [ref. 26181], Sideleva 2003:8 [ref. 27815]). •Synonym of Rutilus rutilus (Linnaeus 1758) -- (Kottelat 1997:80 [ref. 22952], Bogutskaya 1998:70 [ref. 23589], Kottelat 2006:49 [ref. 28831], Parin et al. 2014:92 [ref. 33547]). •Valid as Rutilus rutilus (Pallas 1814), subspecies lacustris (Pallas 1814) -- (Zhang et al. 2016:55 [ref. 34477]). •Valid as Rutilus lacustris (Pallas 1814) -- (Levin et al. 2017:44 [ref. 35061], Esmaeili et al. 2018:35 [ref. 36089], Kuljanishvili et al. 2020:[6] [ref. 37535], Jouladeh-Roudbar et al. 2020:144 [ref. 37983], Pozdeev et al. 2022:5 [ref. 39511], Dyldin et al. 2023:[34] [ref. 40328] with question, Çiçek et al. 2024:251 [ref. 40789]). Current status: Valid as Rutilus lacustris (Pallas 1814). Leuciscidae: Leuciscinae. Distribution: Eurasia: Ponto-Caspian basin to Siberia. Habitat: freshwater, brackish.