Apristurus brunneus

Alternate names: brown catshark, Catulus brunneus

Author: (Gilbert, 1891)


General: Long, broad, bell-shaped snout (shorter than A. kampae), deep body (humped in the mid section), can be dark or medium brown; you may see some subtle dark margins on the fins. Broad caudal fin, anal fin short and angular. Eye size is relatively small and gills slits realtively short, compared to A. kampae.

Size: to 69 cm

Reproduction: Eggcases: approximately 52–72 mm in length, shape is vase-like, with a smooth surface, long tendrils on both anterior and posterior ends. Golden-yellow when <1mo old, then egg cases oxidize and become dark brown/black.

Geographic Information

Published depth range: 33 - 1306 m

Habitat description: Demersal.

Ocean range (global): S.E. Alaska to northern Baja. Possibly between Panama and Peru.

Additional Information

Consulting taxonomist: David Ebert, Moss Landing Marine Laboratories.

Consulting taxonomist: Amber Reichert, Masters candidate, Moss Landing Marine Laboratories.


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, CA. 284 pp.

Citation: Apristurus brunneus ((Gilbert, 1891)) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Apristurus%20brunneus. Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2020-12-05.
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