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&nbsp;kg.<ref name ="pond life">[http://www.pond-life.me.uk/sturgeon/acipenserschrenckii.php Description and distribution] {{dead link|date=August 2017}}</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 in length, and weight over 190&nbsp;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>


==Habitat and ecology==
==Habitat and ecology==

Revision as of 11:27, 22 November 2017

Japanese sturgeon
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
A. schrenckii
Binomial name
Acipenser schrenckii
Synonyms[1][2]
  • Acipenser baeri schrencki von Brandt 1869
  • Sturio schrenckii (von Brandt 1869)
  • Acipenser multiscutatus Tanaka 1908

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 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][dead link]

References

  1. ^ Froese, R.; Pauly, D. (2017). "Acipenseridae". FishBase version (02/2017). Retrieved 18 May 2017.
  2. ^ "Acipenseridae" (PDF). Deeplyfish- fishes of the world. Retrieved 18 May 2017.
  3. ^ Froese, Rainer; Pauly, Daniel (eds.) (2013). "Acipenser schrenckii" in FishBase. January 2013 version.
  4. ^ a b Description and distribution Archived 10 December 2013 at the Wayback Machine
  5. ^ IUCN Redlist.org

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.