Upper Yenisei grayling
Upper Yenisei grayling caught by an angler
Not evaluated (IUCN 3.1)[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Thymallus
Species:
T. svetovidovi
Binomial name
Thymallus svetovidovi
Knizhin & Weiss, 2009

The Upper Yenisei grayling (Thymallus svetovidovi) is a freshwater species of fish of the genus Thymallus found in the upstream of Yenisei River and western Mongolia.[2]

Description

The body of Upper Yenisei grayling is mostly grayish-black, with dark dorsum and white abdomen.[3] There are two weakly pronounced parallel brownish yellow stripes running from the throat to the ventral fins. Beyond gill cover to the insertion of the seventh unbranched ray of dorsal fin, eight small black spots of different shapes with a diameter of 1–3 mm are scattered.[4]

The Upper Yenisei grayling can reach a recorded maximum length of 39.6 cm (15.6 inches).[5]

See also

References

  1. ↑ "Reference Summary - IUCN, 2022". fishbase.mnhn.fr. Retrieved 14 November 2023.
  2. ↑ Ponomareva, E. V.; Volkov, A. A.; Ponomareva, M. V.; Shubina, E. A. (December 2022). "MtDNA Analysis of the Upper Yenisei Grayling (Thymallus svetovidovi) and the Mongolian Grayling (Thymallus brevirostris) and Clarification of Their Ranges". Biology Bulletin. 49 (6): 721–726. doi:10.1134/s1062359022060139. Retrieved 30 November 2023.
  3. ↑ Froufe, E.; Knizhin, I.; Weiss, S. (1 January 2005). "Phylogenetic analysis of the genus Thymallus (grayling) based on mtDNA control region and ATPase 6 genes, with inferences on control region constraints and broad-scale Eurasian phylogeography". Molecular Phylogenetics and Evolution. 34 (1): 106–117. doi:10.1016/j.ympev.2004.09.009. ISSN 1055-7903. Retrieved 30 November 2023.
  4. ↑ Knizhin, I. B.; Weiss, S. J. (1 January 2009). "A new species of grayling Thymallus svetovidovi sp. nova (Thymallidae) from the Yenisei basin and its position in the genus Thymallus". Journal of Ichthyology. 49 (1): 1–9. doi:10.1134/S0032945209010019. ISSN 1555-6425. Retrieved 30 November 2023.
  5. ↑ Ponomareva, E. V.; Volkov, A. A.; Ponomareva, M. V.; Shubina, E. A. (1 December 2022). "MtDNA Analysis of the Upper Yenisei Grayling (Thymallus svetovidovi) and the Mongolian Grayling (Thymallus brevirostris) and Clarification of Their Ranges". Biology Bulletin. 49 (6): 721–726. doi:10.1134/S1062359022060139. ISSN 1608-3059. Retrieved 30 November 2023.
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