Bathyraja spinosissima

Alternate names: Pacific white skate, white skate

Author: (Beebe & Tee-van, 1941)


General: Large; uniform white to light-medium gray. Snout extends beyond indented pectoral fins. May have slightly darker margins, and alar thorns are evident in some darker-colored males. Note the thick base of the tail (compare to B. abyssicola). Claspers may appear white-tipped in darker males.

Size: to 150 cm TL.

Reproduction: Oviparous; young born from within a leathery eggcase.

Geographic Information

Published depth range: 800 - 2938 m

Ocean range (global): Waldport, Oregon to Isla Cocos, Costa Rica and the Galapagos Islands.

Habitat description: Benthic. Demersal over hard substrate (lava, seamounts).

Additional Information


Encyclopedia of Life

Tree of Life

World Register of Marine Species

National Center for Biotechnology Information

Ebert, D. (2003). Sharks, rays, and chimeras of California. University of California Press, Berkeley, California. 284 pp.

Dolganov, V.N. (1999). Geographical and bathymetric distribution of the skates of the Rajidae Family in the far eastern seas of Russia and adjacent waters. Journal of Ichthyology 39: 340-342.

Fischer, W., F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter, and V.H. Niem, Eds. (1995). Guia FAO para la identificación de especies para los fines de la pesca. Pacifico centro-oriental. Organización de las Naciones Unidas para la Agricultura y la Alimentación, Rome, 563 pp.

Kuhnz, L.A., J.J. Bizzarro, and D.A. Ebert (2019). In situ observations of deep-living skates in the eastern North Pacific. Deep Sea Research Part I: Oceanographic Research Papers, 103104. doi:10.1016/j.dsr.2019.103104.

Citation: Bathyraja spinosissima ((Beebe & Tee-van, 1941)) Deep-Sea Guide (DSG) at http://dsg/ Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2022-11-30.
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