Lake Yesei Char
Salvelinus tolmachoffi
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.
Taxonomy & Classification
Kingdom
Animalia
Phylum
Chordata
Order
Salmoniformes
Family
Salmonidae
Genus
Salvelinus
Lake Yesei Char belongs to the family Salmonidae, order Salmoniformes, within the unknown class.
Species Profile
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.
Key Facts
Habitat & Distribution
Threats
IUCN Red List: Endangered
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.
Extremely restricted range
Habitat degradation
Climate change impacts on lake ecosystem
Potential pollution from human activities
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). Lake Yesei Char (Salvelinus tolmachoffi). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/lake-yesei-char