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]
| 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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Conservation status edit
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 edit
Wikimedia Commons has media related to Bathyraja richardsoni.
- ^ Froese, Rainer; 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.
- ^ 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 (PDF). Wellington, New Zealand: Department of Conservation. p. 9. ISBN 9781988514628. OCLC 1042901090.
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