Lenok
Lenok Temporal range:
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Brachymystax lenok | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Salmoniformes |
Family: | Salmonidae |
Subfamily: | Salmoninae
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Genus: | Brachymystax Günther, 1866[1] |
Species[2] | |
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Lenoks, otherwise known as Asiatic trout or Manchurian trout,
Species
There are four species in this genus, of which three are listed by FishBase:[2]
- Brachymystax lenok (Pallas, 1773) – sharp-snouted lenok[4]
- Brachymystax savinovi Mitrofanov, 1959
- Brachymystax tumensis T. Mori, 1930 – blunt-snouted lenok[4]
A fourth species,
Traditionally, only B. lenok was recognized, including both sharp-snouted and blunt-snouted forms. Based on differences in morphology and genetics, the blunt-snouted form was split off as a separate species, B. tumensis.[4][7][8][9] Hybrids between these two are known.[9] The third species, B. savinovi, is sometimes considered a synonym of B. lenok.[4] The name B. savinovi has occasionally been used for the blunt-snouted lenok,[10] but this is incorrect.[4][9]
Appearance
Lenoks can be sharp-snouted (B. lenok) or blunt-snouted (B. tumensis).
Habitat, range and status
Lenoks tend to live in rivers of any sort, but usually upstream, where the water is colder.[14] They are also found in lakes such as Baikal.[4]
As currently defined, the sharp-snouted lenok (B. lenok) is widespread in central and eastern Russia, and also found widely in northern
Brachymystax savinovi is found in Markakol Lake and adjacent rivers in eastern Kazakhstan.[15]
The recently revalidated
Though overall widespread, lenoks in South Korea are now on the verge of extinction due to deforestation and they have also declined in China.[14][16]
History
In the Korean peninsula, lenoks were landlocked inland during the
References
- ^ "Brachymystax". Integrated Taxonomic Information System.
- ^ a b Froese, Rainer and Pauly, Daniel, eds. (2015). Species of Brachymystax in FishBase. September 2015 version.
- ^ a b c James Card: Fly fishing in South Korea. Retrieved 22 June 2015.
- ^ a b c d e f g h i j k Kartavtseva, I.V.; Ginatulina, L.K.; Nemkova, G.A.; and Shedko, S.V. (2013). Chromosomal study of the lenoks, Brachymystax (Salmoniformes, Salmonidae) from the South of the Russian Far East. Archived 2014-07-29 at the Wayback Machine Journal of Species Research 2(1): 91-98.
- ^ S2CID 23102867.
- ^ PMID 26249386.
- ^ a b c Bo, M. A.; and Jiang, Zuo-fa (2007). Genetic diversity and relationship between two species of Brachymystax in Wusuli River revealed by microsatellites. Journal of Fishery Sciences of China 14: 39-45.
- ^ Balakirev, E.S.; Romanov, N.S.; and Ayala, F.J. (2014). Complete mitochondrial genome of blunt-snouted lenok Brachymystax tumensis (Salmoniformes, Salmonidae). Mitochondrial DNA 27: 1-2
- ^
- ^ a b c Ratschan, C. (2013). Trout's Siberian Siblings. Chasing Silver 1: 86-96.
- ^ Shaw, George; Stephens, James Francis (1800). General zoology, or Systematic natural history, Volume 5, Part 1.
- ^ Ibex: "Salmon - Fishing in Siberia, Russia". Archived from the original on December 3, 2008. Retrieved 2010-07-04.
- ^ "Brachymystax lenok". fishing-worldrecords.com.
- ^ a b c Cherrytrout: "Fish". Archived from the original on February 4, 2015. Retrieved 2010-07-04.
{{cite web}}
: CS1 maint: bot: original URL status unknown (link) - ^ Mamilov, N. (2020). "Brachymystax savinovi". IUCN Red List of Threatened Species. Retrieved 26 June 2022.
- ^ Yingzhe, X.; Yan, S.; and Yiyu, C. (2006). DNA sequence variation in the mitochondrial control region of lenok (Brachymystax lenok) populations in China. Chinese Biodiversity 14(1): 48-54.