Brachymystax lenok (Pallas, 1773)
Lenok
Ленок,  Lenok,  Byit,  Uksuch,  Uskuch,  ленок
Brachymystax lenok
photo by CAFS

Family:  Salmonidae (Salmonids), subfamily: Salmoninae
Max. size:  70 cm TL (male/unsexed); 60 cm TL (female); max.weight: 8,000.0 g
Environment:  benthopelagic; freshwater, anadromous
Distribution:  Asia: Siberia, Korea and North China.
Diagnosis:   
Biology:  A slow-growing fish which inhabits rivers. A cold water fish and never goes to the ocean; finds deep cold waters during summer; can be found under the ice in late fall and winter (Ref. 12218). Feeds on larval and adult insects, amphipods, small fish, frogs, mice and salmon spawn (Ref. 593). During spawning the body turns to a dark red and the dorsal and pectoral fins change to a rainbow of colors (Ref. 12218).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 March 2020 Ref. (130435)
Threat to humans:  harmless
Country info:  Found in the Siberian rivers from the Ob to Kolyma, and in rivers flowing into the Sea of Okhotsk and the Sea of Japan (Ref. 26334). Known from Lake Khanka, Amur river basin. Reported from Lake Baikal, Siberia (Ref. 12218). Northwestern Sakhalin (Ref. 37812). nEurRus


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