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{{Short description|Species of fish}} |
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{{Taxobox |
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{{Speciesbox |
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| name = Bering cisco |
| name = Bering cisco |
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| image =Lauretta whitefish.jpg |
| image = Lauretta whitefish.jpg |
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| image_caption=Illustration from ''The Natural History of Useful Aquatic Animals'' |
| image_caption = Illustration from ''The Natural History of Useful Aquatic Animals'' |
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| status = |
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| regnum = [[Animal]]ia |
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| status_system = |
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| phylum = [[Chordate|Chordata]] |
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| ⚫ | |||
| classis = [[Actinopterygii]] |
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| authority = [[Tarleton Hoffman Bean|T. H. Bean]], 1881 |
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| ordo = [[Salmoniformes]] |
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| ⚫ | |||
| familia = [[Salmonidae]] |
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}} |
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| subfamilia = [[Coregoninae]] |
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| genus = ''[[Coregonus]]'' |
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| species = '''''C. laurettae''''' |
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| ⚫ | |||
| binomial_authority = Bean, 1881 |
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| ⚫ | |||
The '''Bering cisco''' or '''Lauretta whitefish''' (''Coregonus laurettae'') is a [[freshwater whitefish]] found in Alaska and part of Russia. It is often considered to be the same species as the more common [[Arctic cisco]] (''Coregonus autumnalis'').<ref name="Alaska">{{cite web|url=http://dsp-psd.pwgsc.gc.ca/Collection/CW69-14-414-2005E.pdf|title=Bering Cisco|publisher=Alaska Natural Heritage Program|date=23 March 2005|accessdate=22 March 2010}}</ref><ref>{{cite web|author=COSEWIC|year=2004|title=COSEWIC assessment and update status report on the Bering cisco ''Coregonus laurettae'' in Canada|publisher=Committee on the Status of Endangered Wildlife in Canada|location= Ottawa|url=http://dsp-psd.pwgsc.gc.ca/Collection/CW69-14-414-2005E.pdf}}</ref> |
The '''Bering cisco''' or '''Lauretta whitefish''' (''Coregonus laurettae'') is a [[freshwater whitefish]] found in Alaska and part of Russia. It is often considered to be the same species as the more common [[Arctic cisco]] (''Coregonus autumnalis'').<ref name="Alaska">{{cite web|url=http://dsp-psd.pwgsc.gc.ca/Collection/CW69-14-414-2005E.pdf|title=Bering Cisco|publisher=Alaska Natural Heritage Program|date=23 March 2005|accessdate=22 March 2010}}</ref><ref>{{cite web|author=COSEWIC|year=2004|title=COSEWIC assessment and update status report on the Bering cisco ''Coregonus laurettae'' in Canada|publisher=Committee on the Status of Endangered Wildlife in Canada|location= Ottawa|url=http://dsp-psd.pwgsc.gc.ca/Collection/CW69-14-414-2005E.pdf}}</ref> |
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== Description == |
== Description == |
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The Bering cisco has an elongate, compressed body. It is silvery-coloured, with a brownish or greenish back. Its [[pelvic fin|pelvic]] and [[pectoral fin]]s are almost clear, and its other fins are spotted white. It is distinguished from the Arctic cisco by its smaller number of [[gill rakers]].<ref name="Alaska"/><ref name="base">{{FishBase |
The Bering cisco has an elongate, compressed body. It is silvery-coloured, with a brownish or greenish back. Its [[pelvic fin|pelvic]] and [[pectoral fin]]s are almost clear, and its other fins are spotted white. It is distinguished from the Arctic cisco by its smaller number of [[gill rakers]].<ref name="Alaska"/><ref name="base">{{FishBase|species=laurettae|genus=Coregonus|month=March|year=2010}}</ref> It reaches a maximum length of {{convert|48|cm|in}}.<ref name="base"/> |
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== Distribution == |
== Distribution == |
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== Ecology == |
== Ecology == |
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The Bering cisco is usually found in river mouths, brackish lagoons, and coastal waters, but may penetrate far upstream.<ref name="Alaska"/><ref name="base"/> Most populations are [[anadromous]], migrating as far as {{convert|2100|km|mi}} inland to spawn during the late summer.<ref name="Alaska"/><ref name="Yukon">{{cite web|url=http://www.taiga.net/yourYukon/col445.html|title=Unsung Bering cisco deserve more respect|work=yourYukon|author=Friis-Baastad, Erling|date=21 October 2005|accessdate=22 March 2010}}</ref> In most of its range, the Bering cisco is abundant. Its habitats are mostly remote and pristine, and it has no known threats.<ref name="Alaska"/> In rivers, it may be the most abundant migratory fish.<ref name="Yukon"/> In estuaries, the Bering cisco is an important " |
The Bering cisco is usually found in river mouths, brackish lagoons, and coastal waters, but may penetrate far upstream.<ref name="Alaska"/><ref name="base"/> Most populations are [[anadromous]], migrating as far as {{convert|2100|km|mi}} inland to spawn during the late summer.<ref name="Alaska"/><ref name="Yukon">{{cite web|url=http://www.taiga.net/yourYukon/col445.html|title=Unsung Bering cisco deserve more respect|work=yourYukon|author=Friis-Baastad, Erling|date=21 October 2005|accessdate=22 March 2010|archive-url=https://web.archive.org/web/20110615080521/http://www.taiga.net/yourYukon/col445.html|archive-date=15 June 2011|url-status=usurped}}</ref> In most of its range, the Bering cisco is abundant. Its habitats are mostly remote and pristine, and it has no known threats.<ref name="Alaska"/> In rivers, it may be the most abundant migratory fish.<ref name="Yukon"/> In estuaries, the Bering cisco is an important "[[keystone species]]", serving as an important source of food for larger animals.<ref name="Yukon"/> The Bering cisco is taken commercially, and sold as "white trout".<ref>{{cite web|url=http://www.adfg.state.ak.us/pubs/notebook/fish/whitfish.php|title=Whitefish Species|publisher=Alaska Department of Fish and Game|author=Alt, Kenneth|accessdate=22 March 2010|archiveurl=https://web.archive.org/web/20091001114629/http://www.adfg.state.ak.us/pubs/notebook/fish/whitfish.php|archivedate=1 October 2009}}</ref> In New York, smoked Bering ciscoes are popular, and are esteemed for their creamy flesh. They are sold instead of the usual holiday food of Great Lakes whitefishes.<ref>{{cite news|url=https://www.nytimes.com/2008/12/17/dining/17fish.html|author=Fabricant, Florence|date=16 December 2008|newspaper=The New York Times|accessdate=22 March 2010|title=Alaskan Catch for the Holiday Table}}</ref> Subsistence fishermen also take the Bering cisco in small numbers,<ref name="Alaska"/> as do commercial fishermen fishing for salmon during its migration.<ref name="Yukon"/> |
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The Bering cisco feeds on [[amphipod]]s and other invertebrates and small fish such as [[sculpin]]s. It migrates to clear and shallow streams in the late summer, not feeding during migration.<ref name="Alaska"/> Not eating during migration is typical among [[salmon]], but rare in whitefishes.<ref>Reist, J. D.; R. A. Bodaly, R. J. P. Fudge, K. J. Cash, and T. V. Stevens (1987). "External scarring of whitefish, Coregonus nasus and C. clupeaformis complex, from the western Northwest Territories, Canada". ''Canadian Journal of Zoology'' '''65'''(5): 1230–1239. {{doi|10.1139/z87-191}}.</ref> Spawning occurs in clear, cool streams with 1 to 3 inch gravel.<ref name="Alaska"/> A year after hatching, young ciscoes drift downstream to estuaries. The Bering cisco becomes sexually mature when it is four to nine years old.<ref name="Yukon"/> |
The Bering cisco feeds on [[amphipod]]s and other invertebrates and small fish such as [[sculpin]]s. It migrates to clear and shallow streams in the late summer, not feeding during migration.<ref name="Alaska"/> Not eating during migration is typical among [[salmon]], but rare in whitefishes.<ref>Reist, J. D.; R. A. Bodaly, R. J. P. Fudge, K. J. Cash, and T. V. Stevens (1987). "External scarring of whitefish, ''Coregonus nasus'' and ''C. clupeaformis'' complex, from the western Northwest Territories, Canada". ''Canadian Journal of Zoology'' '''65'''(5): 1230–1239. {{doi|10.1139/z87-191}}.</ref> Spawning occurs in clear, cool streams with 1 to 3 inch gravel.<ref name="Alaska"/> A year after hatching, young ciscoes drift downstream to estuaries. The Bering cisco becomes sexually mature when it is four to nine years old.<ref name="Yukon"/> |
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==References== |
==References== |
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{{ |
{{Reflist|2}} |
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{{Whitefish}} |
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{{Taxonbar|from=Q3232002}} |
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[[Category:Coregonus]] |
[[Category:Coregonus]] |
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[[Category: |
[[Category:Freshwater fish of the Arctic]] |
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[[Category:Fish described in 1881]] |
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[[ca:Coregonus laurettae]] |
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[[es:Coregonus laurettae]] |
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[[zh:白令白鮭]] |
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Latest revision as of 22:31, 20 December 2024
| Bering cisco | |
|---|---|
| |
| Illustration from The Natural History of Useful Aquatic Animals | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Salmoniformes |
| Family: | Salmonidae |
| Genus: | Coregonus |
| Species: | C. laurettae
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| Binomial name | |
| Coregonus laurettae T. H. Bean, 1881
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| Synonyms | |
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Argyrosomus alascanus Scofield, 1898 | |
The Bering cisco or Lauretta whitefish (Coregonus laurettae) is a freshwater whitefish found in Alaska and part of Russia. It is often considered to be the same species as the more common Arctic cisco (Coregonus autumnalis).[1][2]
Description
[edit]The Bering cisco has an elongate, compressed body. It is silvery-coloured, with a brownish or greenish back. Its pelvic and pectoral fins are almost clear, and its other fins are spotted white. It is distinguished from the Arctic cisco by its smaller number of gill rakers.[1][3] It reaches a maximum length of 48 centimetres (19 in).[3]
Distribution
[edit]The Bering cisco is found in Alaska from Cook Inlet on the south coast to Oliktok Point on the Arctic coast. It occurs on the Yukon River as far upstream as Dawson City, on the Porcupine River, and in the lakes of the Brooks Range. There are some reports of Bering ciscoes from the Chukchi Peninsula and the Kamchatka Peninsula, these presumably being migrants from Alaska.[1][3]
Ecology
[edit]The Bering cisco is usually found in river mouths, brackish lagoons, and coastal waters, but may penetrate far upstream.[1][3] Most populations are anadromous, migrating as far as 2,100 kilometres (1,300 mi) inland to spawn during the late summer.[1][4] In most of its range, the Bering cisco is abundant. Its habitats are mostly remote and pristine, and it has no known threats.[1] In rivers, it may be the most abundant migratory fish.[4] In estuaries, the Bering cisco is an important "keystone species", serving as an important source of food for larger animals.[4] The Bering cisco is taken commercially, and sold as "white trout".[5] In New York, smoked Bering ciscoes are popular, and are esteemed for their creamy flesh. They are sold instead of the usual holiday food of Great Lakes whitefishes.[6] Subsistence fishermen also take the Bering cisco in small numbers,[1] as do commercial fishermen fishing for salmon during its migration.[4]
The Bering cisco feeds on amphipods and other invertebrates and small fish such as sculpins. It migrates to clear and shallow streams in the late summer, not feeding during migration.[1] Not eating during migration is typical among salmon, but rare in whitefishes.[7] Spawning occurs in clear, cool streams with 1 to 3 inch gravel.[1] A year after hatching, young ciscoes drift downstream to estuaries. The Bering cisco becomes sexually mature when it is four to nine years old.[4]
References
[edit]- ^ a b c d e f g h i "Bering Cisco" (PDF). Alaska Natural Heritage Program. 23 March 2005. Retrieved 22 March 2010.
- ^ COSEWIC (2004). "COSEWIC assessment and update status report on the Bering cisco Coregonus laurettae in Canada" (PDF). Ottawa: Committee on the Status of Endangered Wildlife in Canada.
- ^ a b c d Froese, Rainer; Pauly, Daniel (eds.). "Coregonus laurettae". FishBase. March 2010 version.
- ^ a b c d e Friis-Baastad, Erling (21 October 2005). "Unsung Bering cisco deserve more respect". yourYukon. Archived from the original on 15 June 2011. Retrieved 22 March 2010.
- ^ Alt, Kenneth. "Whitefish Species". Alaska Department of Fish and Game. Archived from the original on 1 October 2009. Retrieved 22 March 2010.
- ^ Fabricant, Florence (16 December 2008). "Alaskan Catch for the Holiday Table". The New York Times. Retrieved 22 March 2010.
- ^ Reist, J. D.; R. A. Bodaly, R. J. P. Fudge, K. J. Cash, and T. V. Stevens (1987). "External scarring of whitefish, Coregonus nasus and C. clupeaformis complex, from the western Northwest Territories, Canada". Canadian Journal of Zoology 65(5): 1230–1239. doi:10.1139/z87-191.
