Salvelinus tolmachoffi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Salvelinus
Species:
S. tolmachoffi
Binomial name
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.[2] In 2007, the fish was listed as endangered by IUCN due to over-fishing and poor management of the water body.[3]

Description

Yessey lake charr can grow to a recorded maximum length of 37.0 cm (14.6 inches).[4] The fish lives at or near the bottom of the lake.

The head and back of the fish are blue-black, while the sides of the body are dark-gray with a golden tint and the belly is pale yellow. There are numerous red spots on the sides of the body.[5][6] The species feed on gammarus, copepods, chironomid larvae, and fish.[7]

Yessey lake charr spawn in autumn, from the second half of October to December, in coastal areas with depths of 2.5 - 4 m.[8]


References

  1. ↑ "Reference Summary - IUCN, 2022". fishbase.mnhn.fr. Retrieved 28 November 2023.
  2. ↑ Ekaterina M., Kuznetsova (April 2018). "Ethnocultural Portrait of Russia: The Yessey Yakuts. The Life by the Lake (History and Culture of an Ethnic Group)". Journal of Siberian Federal University. Humanities & Social Sciences. 11 (4): 561–569. doi:10.17516/1997-1370-0232. Retrieved 9 December 2023.
  3. ↑ "Salvelinus tolmachoffi". IUCN REDLIST. IUCN. Retrieved 9 December 2023.
  4. ↑ Berg, L. S. (1962). Freshwater fishes of the U.S.S.R. and adjacent countries: Ryby presnykh vod SSSR i sopredelʹnykh stran (4th, improved and augm., translated from Russian ed.). Israel Program for Scientific Translations; [available from the Office of Technical Services, U.S. Dept. of Commerce, Washington]. Retrieved 9 December 2023.
  5. ↑ Osinov, Alexander G.; Senchukova, Anna L.; Mugue, Nikolai S.; Pavlov, Sergei D.; Chereshnev, Igor A. (September 2015). "Speciation and genetic divergence of three species of charr from ancient Lake El'gygytgyn (Chukotka) and their phylogenetic relationships with other representatives of the genus Salvelinus". Biological Journal of the Linnean Society. 116 (1): 63–85. doi:10.1111/bij.12559. Retrieved 9 December 2023.
  6. ↑ Dyldin, Yury V.; Hanel, Lubomir; Fricke, Ronald; Orlov, Alexei M.; Romanov, Vladimir I.; Plesnik, Jan; Interesova, Elena A.; Vorobiev, Danil S.; Kochetkova, Maria O. (10 June 2020). "Fish diversity in freshwater and brackish water ecosystems of Russia and adjacent waters". Publications of the Seto Marine Biological Laboratory. 45: 47–116. ISSN 0037-2870. Retrieved 9 December 2023.
  7. ↑ Leis, Eric; Chi, Tran Kim; Lumme, Jaakko (August 2021). "Global Phylogeography of Salmonid Ectoparasites of the Genus Gyrodactylus, with an Emphasis on the Origin of the Circumpolar Gyrodactylus salmonis (Platyhelminthes: Monogenea)". Comparative Parasitology. 88 (1): 130–143. doi:10.1654/1525-2647-88.1.130. ISSN 1525-2647. Retrieved 9 December 2023.
  8. ↑ Dyldin, Yu. V.; Orlov, A. M.; Hanel, L.; Romanov, V. I.; Fricke, R.; Vasil’eva, E. D. (August 2023). "Ichthyofauna of the Fresh and Brackish Waters of Russia and Adjacent Areas: Annotated List with Taxonomic Comments. 2. Order Cypriniformes, Suborders Catostomoidei, Cobitoidei and Cyprinoidei". Journal of Ichthyology. 63 (4): 636–686. doi:10.1134/S0032945223040045. Retrieved 9 December 2023.
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