Bigelow's ray
| Bigelow's ray | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Superorder: | Batoidea |
| 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,
Distribution
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
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
Bigelow's ray feeds on small benthic
crustaceans.[11]
Life cycle
Bigelow's ray is
eggs are oblong capsules with stiff pointed horns at the corners; they are deposited in sandy or muddy flats.[12]
It is parasitised by tapeworms of the order Diphyllidea).[10]
See also
References
- ^ 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.
- 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.
- ISBN 9781316033456– via Google Books.
- ISBN 9781442647107– via Google Books.
- ISBN 9781784270377– via Google Books.
- 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.
- ISBN 9780643109155– via Google Books.
- ^ "Rajella bigelowi, Bigelow's ray". www.fishbase.se.
External links
Data related to Rajella bigelowi at Wikispecies
