Bigelow's ray: Difference between revisions
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| status_ref = <ref>{{Cite journal|url=https://www.iucnredlist.org/en|title=IUCN Red List of Threatened Species: Rajella bigelowi|first=A.|last=Orlov|date=December 1, 2008|journal=IUCN Red List of Threatened Species|via=www.iucnredlist.org}}</ref> |
| status_ref = <ref>{{Cite journal|url=https://www.iucnredlist.org/en|title=IUCN Red List of Threatened Species: Rajella bigelowi|first=A.|last=Orlov|date=December 1, 2008|journal=IUCN Red List of Threatened Species|via=www.iucnredlist.org}}</ref> |
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| taxon = Rajella bigelowi |
| taxon = Rajella bigelowi |
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| authority = (Stehmann, 1978) |
| authority = ([[Matthias Stehmann|Stehmann]], 1978) |
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| synonyms = |
| synonyms = |
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*''Raja bigelowi'' <small>(Stehmann, 1978)</small> |
*''Raja bigelowi'' <small>(Stehmann, 1978)</small> |
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}} |
}} |
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'''Bigelow's ray''' (''Rajella bigelowi''), also called the '''chocolate skate''' or '''Bigelow's skate''',<ref>{{Cite |
'''Bigelow's ray''' (''Rajella bigelowi''), also called the '''chocolate skate''' or '''Bigelow's skate''',<ref>{{Cite book|url=https://books.google.com/books?id=ON-sPP5rowwC&dq=%22Rajella+bigelowi%22&pg=PA492|title=Sharks, Skates, and Rays: The Biology of Elasmobranch Fishes|first=William C.|last=Hamlett|date=May 21, 1999|publisher=JHU Press|isbn=9780801860485|via=Google Books}}</ref> is a species of [[skate (fish)|skate]] in the family [[Rajidae]].<ref name="auto1">{{Cite web|url=https://www.dfo-mpo.gc.ca/species-especes/profiles-profils/chocolatebigelowskate-raiebigelow-eng.html|title=Chocolate or Bigelow's Skate (Rajella bigelowi)|first=Fisheries and Oceans Canada|last=Government of Canada|date=December 19, 2016|website=www.dfo-mpo.gc.ca}}</ref><ref>{{Cite book|url=https://books.google.com/books?id=fBcwDwAAQBAJ&dq=%22Rajella+bigelowi%22&pg=PA154|title=Deep-Sea Fishes: Biology, Diversity, Ecology and Fisheries|first=Imants G.|last=Priede|date=August 10, 2017|publisher=Cambridge University Press|isbn=9781316033456|via=Google Books}}</ref><ref>{{Cite book|url=https://books.google.com/books?id=cu9ADwAAQBAJ&dq=%22bigelowi%22&pg=PA197|title=Marine Fishes of Arctic Canada|first1=Brian W.|last1=Coad|first2=James D.|last2=Reist|date=January 1, 2018|publisher=University of Toronto Press|isbn=9781442647107|via=Google Books}}</ref> It is named in honour of the oceanographer [[Henry Bryant Bigelow]].<ref>{{Cite book|url=https://books.google.com/books?id=tLvlBgAAQBAJ&dq=%22Rajella+bigelowi%22&pg=PA210|title=Sharks: An Eponym Dictionary|first1=Michael|last1=Watkins|first2=Bo|last2=Beolens|date=January 30, 2015|publisher=Pelagic Publishing Ltd|isbn=9781784270377|via=Google Books}}</ref> |
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==Distribution== |
==Distribution== |
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Bigelow's ray lives on continental slopes and deepwater rises around the edges of the [[Atlantic Ocean]]. It has been recorded at {{Cvt|367|-|4156|m}}, mostly below {{Cvt|1500|m}}.<ref>{{Cite |
Bigelow's ray lives on continental slopes and deepwater rises around the edges of the [[Atlantic Ocean]]. It has been recorded at {{Cvt|367|-|4156|m}}, mostly below {{Cvt|1500|m}}.<ref>{{Cite book|url=https://books.google.com/books?id=VioW40mAljUC&dq=%22Rajella+bigelowi%22&pg=PA102|title=Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation|first1=Jeffrey C.|last1=Carrier|first2=John A.|last2=Musick|first3=Michael R.|last3=Heithaus|date=March 9, 2010|publisher=CRC Press|isbn=9781420080483|via=Google Books}}</ref><ref>{{Cite web|url=https://biogeodb.stri.si.edu/caribbean/en/thefishes/species/5665|title=Shorefishes - The Fishes - Species|website=biogeodb.stri.si.edu}}</ref> |
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== Description == |
== Description == |
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Its maximum length is {{Cvt|55|cm|ft}}.<ref name="auto">{{Cite web|url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=105893#attributes|title=WoRMS - World Register of Marine Species - Rajella bigelowi (Stehmann, 1978)|website=www.marinespecies.org}}</ref> |
Its maximum length is {{Cvt|55|cm|ft}}.<ref name="auto">{{Cite web|url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=105893#attributes|title=WoRMS - World Register of Marine Species - Rajella bigelowi (Stehmann, 1978)|website=www.marinespecies.org}}</ref> |
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==Behaviour== |
==Behaviour== |
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Bigelow's ray feeds on small benthic [[crustaceans]].<ref>{{Cite |
Bigelow's ray feeds on small benthic [[crustaceans]].<ref>{{Cite book|url=https://books.google.com/books?id=n82sDQAAQBAJ&dq=%22Rajella+bigelowi%22&pg=PT1545|title=Rays of the World|first1=Peter|last1=Last|first2=Gavin|last2=Naylor|first3=Bernard|last3=Séret|first4=William|last4=White|first5=Matthias|last5=Stehmann|first6=Marcelo de|last6=Carvalho|date=December 1, 2016|publisher=Csiro Publishing|isbn=9780643109155|via=Google Books}}</ref> |
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== Life cycle == |
== Life cycle == |
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Bigelow's ray is [[oviparous]]. The [[fish eggs|eggs]] are oblong capsules with stiff pointed horns at the corners; they are deposited in sandy or muddy flats.<ref>{{Cite web|url=https://www.fishbase.se/summary/8936|title=Rajella bigelowi, Bigelow's ray|website=www.fishbase.se}}</ref> |
Bigelow's ray is [[oviparous]]. The [[fish eggs|eggs]] are oblong capsules with stiff pointed horns at the corners; they are deposited in sandy or muddy flats.<ref>{{Cite web|url=https://www.fishbase.se/summary/8936|title=Rajella bigelowi, Bigelow's ray|website=www.fishbase.se}}</ref> |
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It |
It is parasitised by ''[[Ditrachybothridium macrocephalum]]'' ([[tapeworms]] of the order [[Diphyllidea]]).<ref name="auto"/> |
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==See also== |
==See also== |
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{{Authority control}} |
{{Authority control}} |
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{{DEFAULTSORT:ray, bigelows}} |
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[[Category:Rajella|bigelowi]] |
[[Category:Rajella|bigelowi]] |
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[[Category:Fish of the Atlantic Ocean]] |
[[Category:Fish of the Atlantic Ocean]] |
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Latest revision as of 03:49, 3 October 2022
| Bigelow's ray | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Rajiformes |
| Family: | Rajidae |
| Genus: | Rajella |
| Species: | R. bigelowi
|
| Binomial name | |
| Rajella bigelowi (Stehmann, 1978)
| |
| Synonyms[2] | |
| |
Bigelow's ray (Rajella bigelowi), also called the chocolate skate or Bigelow's skate,[3] is a species of skate in the family Rajidae.[4][5][6] It is named in honour of the oceanographer Henry Bryant Bigelow.[7]
Distribution
[edit]Bigelow's ray lives on continental slopes and deepwater rises around the edges of the Atlantic Ocean. It has been recorded at 367–4,156 m (1,204–13,635 ft), mostly below 1,500 m (4,900 ft).[8][9]
Description
[edit]Like all rays, Bigelow's ray has a flattened body with broad, wing-like pectoral fins. The body is sub-rhomboid. It is dark on the dorsal surface, with the outer edges of the disc and pelvic fins shading to a slightly darker colour.[4]
Its maximum length is 55 cm (1.80 ft).[10]
Behaviour
[edit]Bigelow's ray feeds on small benthic crustaceans.[11]
Life cycle
[edit]Bigelow's ray is oviparous. The eggs are oblong capsules with stiff pointed horns at the corners; they are deposited in sandy or muddy flats.[12]
It is parasitised by Ditrachybothridium macrocephalum (tapeworms of the order Diphyllidea).[10]
See also
[edit]References
[edit]- ^ Orlov, A. (December 1, 2008). "IUCN Red List of Threatened Species: Rajella bigelowi". IUCN Red List of Threatened Species – via www.iucnredlist.org.
- ^ "WoRMS - World Register of Marine Species - Rajella bigelowi (Stehmann, 1978)". www.marinespecies.org.
- ^ Hamlett, William C. (May 21, 1999). Sharks, Skates, and Rays: The Biology of Elasmobranch Fishes. JHU Press. ISBN 9780801860485 – via Google Books.
- ^ a b Government of Canada, Fisheries and Oceans Canada (December 19, 2016). "Chocolate or Bigelow's Skate (Rajella bigelowi)". www.dfo-mpo.gc.ca.
- ^ Priede, Imants G. (August 10, 2017). Deep-Sea Fishes: Biology, Diversity, Ecology and Fisheries. Cambridge University Press. ISBN 9781316033456 – via Google Books.
- ^ Coad, Brian W.; Reist, James D. (January 1, 2018). Marine Fishes of Arctic Canada. University of Toronto Press. ISBN 9781442647107 – via Google Books.
- ^ Watkins, Michael; Beolens, Bo (January 30, 2015). Sharks: An Eponym Dictionary. Pelagic Publishing Ltd. ISBN 9781784270377 – via Google Books.
- ^ Carrier, Jeffrey C.; Musick, John A.; Heithaus, Michael R. (March 9, 2010). Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation. CRC Press. ISBN 9781420080483 – via Google Books.
- ^ "Shorefishes - The Fishes - Species". biogeodb.stri.si.edu.
- ^ a b "WoRMS - World Register of Marine Species - Rajella bigelowi (Stehmann, 1978)". www.marinespecies.org.
- ^ Last, Peter; Naylor, Gavin; Séret, Bernard; White, William; Stehmann, Matthias; Carvalho, Marcelo de (December 1, 2016). Rays of the World. Csiro Publishing. ISBN 9780643109155 – via Google Books.
- ^ "Rajella bigelowi, Bigelow's ray". www.fishbase.se.
External links
[edit]
Data related to Rajella bigelowi at Wikispecies
