Lenok (Brachymystax lenok)

Scientific name: Brachymystax lenok Pallas, 1773

Lenok (Brachymystax lenok)

The Lenok (Brachymystax lenok) is a freshwater fish of the family Salmonidae.

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. Feeds on larval and adult insects, amphipods, small fish, frogs, mice and salmon spawn. During spawning the body turns to a dark red and the dorsal and pectoral fins change to a rainbow of colors.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Brachymystax lenok
Family
Salmonidae (Salmonids)
Order
Salmoniformes (Salmons)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
70.0
Common length
55.0
Environment
Freshwater; benthopelagic; anadromous
Climate
Temperate
Distribution
Asia: Siberia, Korea and North China. A subspecies, Brachymystax lenok tsinlingensis is endemic to parts of the Taibaishan Mountain in the Qinling Mountains, particularly in the Heihe River at the eastern foot, the Shitouhe River at the northern foot and the Xushui and Taibaihe rivers at the southern foot of the mountain. Status of threat: Vulnerable.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=2-4)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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