lenok, Salmo Pallas [P. S.] 1773:716 [Reise durch verschiedene Provinzen des russischen Reiches; ref. 18509] Jenissei [Yenisei] River, Arctic basin, Siberia, Russia. No types known. Spelled lenock in Bloch & Schneider 1801. See discussion in Kottelat 2006:15-17 [ref. 28831] on systematics. •Valid as Brachymystax lenok (Pallas 1773) -- (Berg 1948:300 [ref. 12882], Wang 1984:8 [ref. 22951], Bogutskaya & Naseka 1996:12 [ref. 22798], Chereshnev 1996:603 [ref. 24659], Kim 1997:356 [ref. 24032], Reshetnikov et al. 1997:728 [ref. 24702], Dorofeeva & Savvaitova 1998:31 [ref. 23574], Bogutskaya et al. 2001:45 [ref. 26178], Chereshnev et al. 2001:77 [ref. 26736], Pietsch et al. 2001:142 [ref. 25688], Wang et al. 2001:62 [ref. 26566], Sideleva 2001:46 [ref. 26181], Sideleva 2003:12 [ref. 27815], Shedko & Shedko 2003:330 [ref. 27966], Alekseyev et al. 2004:45 [ref. 27625], Bogutskaya & Naseka 2004:150 [ref. 28183], Ma et al. 2005:257 [ref. 32145], Kottelat 2006:15 [ref. 28831], Ocock et al. 2006:53 [ref. 28933], Bogutskaya et al. 2008:345 [ref. 30085], Parin et al. 2014:130 [ref. 33547], Xing et al. 2015:193 [ref. 33820], Zhang et al. 2016:188 [ref. 34477] as subspecies lenox in China, Dyldin et al. 2020:104 [ref. 37569], Bogdanov & Knizhin 2022:1696 [ref. 40154]). Current status: Valid as Brachymystax lenok (Pallas 1773). Salmonidae: Salmoninae. Distribution: North Asia: Yenisei River to the Kolyma River and Amur River basin, Russia. Habitat: freshwater.