ciscaucasicus, Salmo trutta Dorofeeva [E. A.] 1967:15 [Voprosy Ikhtiologii v. 7 (no. 1, art. 42); ref. 7957] Keyranchay River, Samur delta, eastern Ciscaucasia, Russia. Holotype: ZIN 26244. •Synonym of Salmo trutta Linnaeus 1758, but a valid subspecies as described -- (Reshetnikov et al. 1997:729 [ref. 24702], Dorofeeva & Savvaitova 1998:36 [ref. 23574]). •Listed -- (Kottelat 1997:144 [ref. 22952]). •Valid as Salmo ciscaucasicus Dorofeeva 1967 -- (Kottelat & Freyhof 2007:427 [ref. 29996], Ninua et al. 2018:[12] [ref. 35786], Dyldin et al. 2020:84, 103 [ref. 37569], Kaya et al. 2020:340 [ref. 37582] as aff. ciscaucasicus, Kuljanishvili et al. 2020:[6] [ref. 37535], Schöffmann 2021:213 [ref. 38997], Segherloo et al. 2021:10 [ref. 39584], Turan et al. 2022:57 [ref. 39307], Çiçek et al. 2023:423 [ref. 40625], Çiçek et al. 2024:287 [ref. 40789]). Current status: Valid as Salmo ciscaucasicus Dorofeeva 1967. Salmonidae: Salmoninae. Distribution: Eurasia: Terek River and rivers flowing into the Caspian Sea from the north and northwest. Habitat: freshwater, brackish, marine.