Longnose spurdog: Difference between revisions
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{{Short description|Species of shark}} |
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{{Taxobox |
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{{speciesbox |
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| color = pink |
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| name = Longnose spurdog |
| name = Longnose spurdog |
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| status = DD |
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| status_system = IUCN3.1 |
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| image_caption = Drawing by Dr Tony Ayling |
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| status_ref=<ref name="iucn status 18 November 2021">{{cite iucn |author=Finucci, B. |author2=Derrick, D. |author3=Pacoureau, N. |date=2021 |title=''Squalus blainville'' |volume=2021 |page=e.T169229923A179510767 |doi=10.2305/IUCN.UK.2021-2.RLTS.T169229923A179510767.en |access-date=18 November 2021}}</ref> |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordate|Chordata]] |
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| classis = [[Chondrichthyes]] |
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| subclassis = [[Elasmobranchii]] |
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| range_map = Squalus_blainville_distmap.png |
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| ordo = [[Squaliformes]] |
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| range_map_caption = Range of the longnose spurdog (in blue) |
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| familia = [[Squalidae]] |
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| binomial = ''Squalus blainville'' |
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{{Portal|Sharks}} |
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The longnose spurdog has two [[dorsal fin]]s each of which has one [[anterior]] spine, but no [[anal fin]]. The eyes are distinctively large and green. The body is uniformly grey above. Males are identified by their [[valva|claspers]] (modified [[pelvic fin]]s used as [[intromittent organ]]s), while females have none. |
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They feed on bony fishes, like [[porgy|porgies]], [[mackerel]] and [[percichthyid]]s, as well as [[crab]]s, [[lobster]]s, and [[octopus]]es. Their reproduction is [[Ovoviviparity|ovoviviparous]], with three to four young per litter. |
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The longnose spurdog is a foodfish, being utilized fresh, dried and salted, and smoked for human consumption. |
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==References== |
==References== |
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{{reflist}} |
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* {{FishBase_species| genus = Squalus | species = blainville | month = March | year = 2006}} |
* {{FishBase_species| genus = Squalus | species = blainville | month = March | year = 2006}} |
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* Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand |
* Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982) {{ISBN|0-00-216987-8}} |
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{{Selachimorpha|S.}} |
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[[Category:Sharks]] |
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{{Taxonbar|from=Q1637270}} |
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[[Category:Squalidae]] |
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{{DEFAULTSORT:Longnose spurdog}} |
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[[de:Langnasen-Dornhai]] |
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[[ |
[[Category:Squalus]] |
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[[Category:Fish described in 1827]] |
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[[nl:Blainville's doornhaai]] |
Latest revision as of 03:55, 4 April 2024
Longnose spurdog | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Elasmobranchii |
Subdivision: | Selachimorpha |
Order: | Squaliformes |
Family: | Squalidae |
Genus: | Squalus |
Species: | S. blainville
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Binomial name | |
Squalus blainville (A. Risso, 1827)
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Range of the longnose spurdog (in blue) |
The longnose spurdog (Squalus blainville) is a dogfish shark of the genus Squalus, found over continental shelves in all oceans, at depths of between 15 and 800 metres. They reach one metre in length.
References
[edit]- ^ Finucci, B.; Derrick, D.; Pacoureau, N. (2021). "Squalus blainville". IUCN Red List of Threatened Species. 2021: e.T169229923A179510767. doi:10.2305/IUCN.UK.2021-2.RLTS.T169229923A179510767.en. Retrieved 18 November 2021.
- Froese, Rainer; Pauly, Daniel (eds.) (2006). "Squalus blainville" in FishBase. March 2006 version.
- Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8