EN

Lake Yesei Char

Salvelinus tolmachoffi

Unknown

Overview

Salvelinus tolmachoffi, also known as Yessey lake charr, is a freshwater species of fish in the salmon family. It is endemic to Lake Yessey of the Khatanga river basin of the arctic Russia. In 2007, the fish was listed as endangered by IUCN due to over-fishing and poor management of the water body.

Lake Yesei Char faces severe threats from habitat degradation and potential climate change impacts on its highly restricted lake ecosystem. The species' extremely limited distribution makes it particularly vulnerable to any environmental changes or human activities affecting Lake Yesei.

Threat summary

Habitat

FRESHWATER· major

Other threatened species in Salmonidae

MaraeneVU

Maraene

Coregonus maraena

Unknown
VU

Pelagonian trout

Salmo pelagonicus

Unknown
Coomasaharn charrVU

Coomasaharn charr

Salvelinus fimbriatus

Unknown
Blunt-snouted charrCR

Blunt-snouted charr

Salvelinus obtusus

Unknown

Frequently asked questions

Why is Lake Yesei Char classified as Endangered?
Lake Yesei Char is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Lake Yesei Char faces severe threats from habitat degradation and potential climate change impacts on its highly restricted lake ecosystem. The species' extremely limited distribution makes it particularly vulnerable to any environmental changes or human activities affecting Lake Yesei.
Where does Lake Yesei Char live?
Lake Yesei Char occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Lake Yesei Char?
The main threats to Lake Yesei Char are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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