Richardson's ray

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Richardson's ray
Drawing by Dr Tony Ayling
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes Subclass: Elasmobranchii Order: Rajiformes Family: Rajidae Genus: Bathyraja Species: B. richardsoni
Binomial name
Bathyraja richardsoni (Garrick, 1961)

Richardson's ray, Bathyraja richardsoni, is a skate of the family Rajidae, found in the northeast and northwest Atlantic, and Cook Strait in New Zealand, at depths of from 1,300 to 2,500 m on the lower parts of the continental shelf. Their length is up to 1.75 m.

Richardson's ray is a large deepwater ray of diamond shape, with a smooth grey-coloured skin.

Its diet is fishes and shrimps.

A horny egg case is anchored to the bottom by long coiled horns at each corner.

[edit] References

• "Bathyraja richardsoni". FishBase. Ed. Ranier Froese and Daniel Pauly. January 2006 version. N.p.: FishBase, 2006.
• Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8