ischchan, Salmo Kessler [K. F.] 1877:65, Pl. 4 (fig. 16) [The Aralo-Caspian Expedition; ref. 2597] Sevan Lake, Armenia. Syntypes: (6) ZIN ?2867 (1). •Valid as Salmo ischchan Kessler 1877 -- (Berg 1948:259 [ref. 12882], Dorofeeva 1998:442 [ref. 24680], Gabrielyan 2001:25 [ref. 25867], Bogutskaya & Naseka 2004:157 [ref. 28183], Delling & Doadrio 2005:55 [ref. 28211], Turan et al. 2022:57 [ref. 39307]). •Valid as Salmo ischchan Kessler 1877, subspecies ischchan Kessler 1877 -- (Gabrielyan 2001:25 [ref. 25867], Dyldin et al. 2020:99 [ref. 37569], Kuljanishvili et al. 2020:[6] [ref. 37535]). Current status: Valid as Salmo ischchan Kessler 1877. Salmonidae: Salmoninae. Distribution: Eurasia: Sevan Lake basin (Armenia); introduced in Russia. Habitat: freshwater.