pidschian, Salmo Gmelin [J. F.] 1789:1377 [Caroli a Linné ... Systema Naturae per regna tria naturae v. 1 (pt 3); ref. 18139] Ob River, Siberia, Russia. No types known. Author sometimes seen as Pallas. See discussion on systematics in Kottelat 2006:21-22 [ref. 28831]. •Synonym of Coregonus lavaretus (Linnaeus 1758), but a valid subspecies -- (Berg 1948:393, 401 [ref. 12882], Svetovidov in Whitehead et al. 1984:376 [ref. 13675], Chereshnev 1996:602 [ref. 24659], Shubin et al. 1997:634 [ref. 24699], Reshetnikov et al. 1997:731 [ref. 24702], Reshetnikov 1998:43-44 [ref. 23570], Sheiko & Fedorov 2000:19 [ref. 25650], Chereshnev et al. 2001:60 [ref. 26736], Sideleva 2001:48 [ref. 26181], Fedorov et al. 2003:33 [ref. 27579], Sideleva 2003:14 [ref. 27815], Dolgov 2013:916 [ref. 33112]). •Valid as Coregonus pidschian (Gmelin 1789) -- (Lee et al. 1980:88 [ref. 22416], Lelek 1987:91 [ref. 22962], Page & Burr 1991:41 [ref. 18983], Kottelat 1997:118 [ref. 22952], Mecklenburg et al. 2002:188 [ref. 25968], Nelson et al. 2004:86 [ref. 27807], Bogutskaya & Naseka 2004:141 [ref. 28183], Love et al. 2005:34 [ref. 37547], Kottelat 2006:21 [ref. 28831], Ocock et al. 2006:50 [ref. 28933], Scharpf 2006:25 [ref. 30386], Kottelat & Freyhof 2007:381 [ref. 29996], Page & Burr 2011:384 [ref. 31215], Page et al. 2013:86 [ref. 32708], Parin et al. 2014:123 [ref. 33547], Kells et al. 2016:98 [ref. 35888], Romanov et al. 2017:824 [ref. 35687], Love et al. 2021:53 [ref. 39279], Page et al. 2023:82 [ref. 40505]). Current status: Valid as Coregonus pidschian (Gmelin 1789). Salmonidae: Coregoninae. Distribution: Arctic Ocean basin, from Finland to eastern Siberia, Mongolia, Alaska (U.S.A.) and western Canada. Habitat: freshwater, brackish, marine.