Diagnostic Description
provided by Fishbase
Grey in color; diamond-shaped and without large thorns on body or tail (Ref. 26346).
- Recorder
- Cristina V. Garilao
Life Cycle
provided by Fishbase
Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
- Recorder
- Cristina V. Garilao
Trophic Strategy
provided by Fishbase
Found in deepwater on lower parts of continental slopes, on submarine rises and on deep-sea plains adjacent to both. Feeds mainly on fishes, with a small amount of shrimps.
- Recorder
- Drina Sta. Iglesia
Biology
provided by Fishbase
Found in deepwater on lower parts of continental slopes, on submarine rises and on deep-sea plains adjacent to both (Ref. 3167). Feeds mainly on fishes, with a small amount of shrimps (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth reported taken from Ref. 3167.
Richardson's ray
provided by wikipedia EN
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; Pauly, Daniel (eds.) (2006). "Bathyraja richardsoni" in FishBase. January 2006 version.
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^ 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.
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^ 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.
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^ 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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Richardson's ray: Brief Summary
provided by wikipedia EN
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. Their length can reach 1.75 m. 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.
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Diet
provided by World Register of Marine Species
Feeds on fish and some shrimps
North-West Atlantic Ocean species (NWARMS)
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Distribution
provided by World Register of Marine Species
Southern Labrador to southwestern Georges Bank
North-West Atlantic Ocean species (NWARMS)
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Habitat
provided by World Register of Marine Species
Found in deep waters on lower part of continental slopes .
North-West Atlantic Ocean species (NWARMS)
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Habitat
provided by World Register of Marine Species
benthic
North-West Atlantic Ocean species (NWARMS)
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