Japanese sturgeon: Difference between revisions
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The '''Japanese sturgeon''', or '''Amur sturgeon''' (''Acipenser schrenckii'') is a [[species]] of [[fish]] in the [[Acipenseridae]] family that can be found in the [[Amur River]] basin in [[China]] and [[Russia]]. Claims of its presence in the [[Sea of Japan]] need confirmation.<ref name=fishbase>{{FishBase|genus=Acipenser|species=schrenckii|id=6085|month=January|year=2013}}</ref> The species has 11–16 dorsal, 34–47 lateral, and 7–16 ventral scutes. Their dorsal fins have 38–53 rays and 20–35 anal fin rays. They also have greyish-brown backs and pale ventral sides. The species could reach up to 3 m in length, and weight over 190 kg.<ref name="pond life">[http://www.pond-life.me.uk/sturgeon/acipenserschrenckii.php Description and distribution] {{webarchive|url=https://web.archive.org/web/20131210031444/http://www.pond-life.me.uk/sturgeon/acipenserschrenckii.php |date=10 December 2013 }}</ref> The species is considered to be [[critically endangered]].<ref>[http://www.iucnredlist.org/details/228/0 IUCN Redlist.org]</ref> |
The '''Japanese sturgeon''', or '''Amur sturgeon''' (''Acipenser schrenckii'') is a [[species]] of [[fish]] in the [[Acipenseridae]] family that can be found in the [[Amur River]] basin in [[China]] and [[Russia]]. Claims of its presence in the [[Sea of Japan]] need confirmation.<ref name=fishbase>{{FishBase|genus=Acipenser|species=schrenckii|id=6085|month=January|year=2013}}</ref> The species has 11–16 dorsal, 34–47 lateral, and 7–16 ventral scutes. Their dorsal fins have 38–53 rays and 20–35 anal fin rays. They also have greyish-brown backs and pale ventral sides. The species could reach up to 3 m (9.8 ft) in length, and weight over 190 kg.<ref name="pond life">[http://www.pond-life.me.uk/sturgeon/acipenserschrenckii.php Description and distribution] {{webarchive|url=https://web.archive.org/web/20131210031444/http://www.pond-life.me.uk/sturgeon/acipenserschrenckii.php |date=10 December 2013 }}</ref> The species is considered to be [[critically endangered]].<ref>[http://www.iucnredlist.org/details/228/0 IUCN Redlist.org]</ref> |
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==Habitat and ecology== |
==Habitat and ecology== |
Revision as of 21:58, 4 June 2019
Japanese sturgeon | |
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Scientific classification | |
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Species: | A. schrenckii
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Binomial name | |
Acipenser schrenckii von Brandt 1869
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Synonyms[1][2] | |
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The Japanese sturgeon, or Amur sturgeon (Acipenser schrenckii) is a species of fish in the Acipenseridae family that can be found in the Amur River basin in China and Russia. Claims of its presence in the Sea of Japan need confirmation.[3] The species has 11–16 dorsal, 34–47 lateral, and 7–16 ventral scutes. Their dorsal fins have 38–53 rays and 20–35 anal fin rays. They also have greyish-brown backs and pale ventral sides. The species could reach up to 3 m (9.8 ft) in length, and weight over 190 kg.[4] The species is considered to be critically endangered.[5]
Habitat and ecology
The Japanese sturgeon is benthic. The females mature at 9–10 years of age, and males at 7–8 years. They start to migrate in the autumn. They live for 65 years.[4]
References
- ^ Froese, R.; Pauly, D. (2017). "Acipenseridae". FishBase version (02/2017). Retrieved 18 May 2017.
- ^ "Acipenseridae" (PDF). Deeplyfish- fishes of the world. Retrieved 18 May 2017.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Acipenser schrenckii". FishBase. January 2013 version.
- ^ a b Description and distribution Archived 10 December 2013 at the Wayback Machine
- ^ IUCN Redlist.org
- Sturgeon Specialist Group 1996. Acipenser schrenckii. 2006 IUCN Red List of Threatened Species. Downloaded on 3 August 2007.
Further reading
- Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino (1984). The fishes of the Japanese Archipelago. Vol. 1 (text). Tokai University Press, Tokyo, Japan. 437 p. (text), 370 pls.
- Journal Coll. Sci. Imp.Univ.,Tokyo, "23", (7).
- Global Biodiversity Information Facility http://data.gbif.org/species/13576254/. Viewed January 27, 2010.