Biology:Richardson's ray
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Short description: Species of cartilaginous fish
| Richardson's ray | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Superorder: | Batoidea |
| Order: | Rajiformes |
| Family: | Arhynchobatidae |
| Genus: | Bathyraja |
| Species: | B. richardsoni
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| Binomial name | |
| Bathyraja richardsoni (Garrick, 1961)
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Richardson's ray (Bathyraja richardsoni) is a skate of the family Arhynchobatidae, found in the Atlantic Ocean and around Cook Strait in New Zealand, at depths of from 1,300 to 2,500 m.[1] Their length can reach 1.75 m.[2] Dorsal and ventral surfaces of the disc are uniformly covered with dermal denticles, but lack thorns on the disc. The tail has 18 moderately sized thorns.[3]
Conservation status
The New Zealand Department of Conservation has classified the Richardson's ray as being "Not Threatened" but with the qualifier "Data Poor" under the New Zealand Threat Classification System.[4]
References
- ↑ Froese, Rainer and Pauly, Daniel, eds. (2006). "Bathyraja richardsoni" in FishBase. January 2006 version.
- ↑ Ayling, Tony; Cox, Geoffrey (1982). Collins Guide to the Sea Fishes of New Zealand. William Collins Publishers Ltd, Auckland, New Zealand. ISBN 0-00-216987-8.
- ↑ McEachrun, J.D.; Miyake, T. (1984). "Comments on the skates of the tropical Eastern Pacific: One new species and three new records". Proceedings of the Biological Society of Washington 97: 773–787. http://biostor.org/reference/66049.
- ↑ Duffy, Clinton A. J.; Francis, Malcolm; Dunn, M. R.; Finucci, Brit; Ford, Richard; Hitchmough, Rod; Rolfe, Jeremy (2016). Conservation status of New Zealand chondrichthyans (chimaeras, sharks and rays), 2016. Wellington, New Zealand: Department of Conservation. pp. 9. ISBN 9781988514628. OCLC 1042901090. https://www.doc.govt.nz/globalassets/documents/science-and-technical/nztcs23entire.pdf.
Wikidata ☰ Q532794 entry
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