Thymallus nigrescens

Thymallus nigrescens
Conservation status
	Not evaluated (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Salmoniformes
Family:	Salmonidae
Genus:	Thymallus
Species:	T. nigrescens
Binomial name
	Thymallus nigrescens; Dorogostaisky, 1923

Thymallus nigrescens, also known as the Hovsgol grayling, is a species of freshwater fish in the salmon family. It is endemic to the Mongolian Lake Khovsgol where they usually live near or on the bottom of the lake.^[3]

Description

Hovsgol grayling can reach a recorded maximum length of 48.4 cm (19 inches) while the average size varies between 17 and 20 cm (6.6 - 7.9 inches).^[4] The species are omnivorous and mainly feed on plankton.^[5]

References

^ "Reference Summary - IUCN, 2022". fishbase.mnhn.fr. Retrieved 28 November 2023.
^ Dorogostaiskaya, E. V.; Forest, Herman S. (1 January 1985). "Vitaliyi Cheslavovich Dorogostaisky: A Pioneer Investigator of the Flora and Fauna of Lake Baikal". Journal of Great Lakes Research. 11 (4): 512–519. doi:10.1016/S0380-1330(85)71795-9. ISSN 0380-1330. Retrieved 3 December 2023.
^ Tsogtsaikhan, P.; Mendsaikhan, B.; Jargalmaa, G.; Ganzorig, B.; Weidel, B. C.; Filosa, C. M.; Free, C. M.; Young, T.; Jensen, O. P. (February 2017). "Age and growth comparisons of Hovsgol grayling ( Thymallus nigrescens Dorogostaisky, 1923), Baikal grayling ( T. baicalensis Dybowski, 1874), and lenok ( Brachymystax lenok Pallas, 1773) in lentic and lotic habitats of Northern Mongolia". Journal of Applied Ichthyology. 33 (1): 108–115. doi:10.1111/jai.13247. Retrieved 3 December 2023.
^ Olson, Kirk W.; Krabbenhoft, Trevor J.; Hrabik, Thomas R.; Mendsaikhan, Bud; Jensen, Olaf P. (July 2019). "Pelagic–littoral resource polymorphism in Hovsgol grayling Thymallus nigrescens from Lake Hovsgol, Mongolia". Ecology of Freshwater Fish. 28 (3): 411–423. doi:10.1111/eff.12464. ISSN 0906-6691. Retrieved 3 December 2023.
^ "FISH AND FISHERIES AT HIGHER ALTITUDES: ASIA - TECHNICAL PAPER NO. 385". www.fao.org. Retrieved 3 December 2023.

External links

This pristine lake has endured for 2m years. Why are its fish in crisis? – The Guardian

[1] "Reference Summary - IUCN, 2022". fishbase.mnhn.fr. Retrieved 28 November 2023.

[2] Dorogostaiskaya, E. V.; Forest, Herman S. (1 January 1985). "Vitaliyi Cheslavovich Dorogostaisky: A Pioneer Investigator of the Flora and Fauna of Lake Baikal". Journal of Great Lakes Research. 11 (4): 512–519. doi:10.1016/S0380-1330(85)71795-9. ISSN 0380-1330. Retrieved 3 December 2023.

[3] Tsogtsaikhan, P.; Mendsaikhan, B.; Jargalmaa, G.; Ganzorig, B.; Weidel, B. C.; Filosa, C. M.; Free, C. M.; Young, T.; Jensen, O. P. (February 2017). "Age and growth comparisons of Hovsgol grayling ( Thymallus nigrescens Dorogostaisky, 1923), Baikal grayling ( T. baicalensis Dybowski, 1874), and lenok ( Brachymystax lenok Pallas, 1773) in lentic and lotic habitats of Northern Mongolia". Journal of Applied Ichthyology. 33 (1): 108–115. doi:10.1111/jai.13247. Retrieved 3 December 2023.

[4] Olson, Kirk W.; Krabbenhoft, Trevor J.; Hrabik, Thomas R.; Mendsaikhan, Bud; Jensen, Olaf P. (July 2019). "Pelagic–littoral resource polymorphism in Hovsgol grayling Thymallus nigrescens from Lake Hovsgol, Mongolia". Ecology of Freshwater Fish. 28 (3): 411–423. doi:10.1111/eff.12464. ISSN 0906-6691. Retrieved 3 December 2023.

[5] "FISH AND FISHERIES AT HIGHER ALTITUDES: ASIA - TECHNICAL PAPER NO. 385". www.fao.org. Retrieved 3 December 2023.

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