Polycera atra
MacFarland, 1905
Order: NUDIBRANCHIA
Suborder: DORIDINA
Superfamily: ANADORIDOIDEA
Family: Polyceridae
Subfamily: Polycerinae
DISTRIBUTION
Cape Arago, Oregon to Baja California, Mexico (Behrens, 1991)
PHOTO
feeding on bryozoan Bugula, Shaw's Cove, Laguna Beach, California. Photo: Bruce Wight.
Characterised by its bluish black longitudinal lines and oblong yellow tubercles. Grows to about 20mm in length. Feeds on the arborescent bryozoan Bugula.
See Bruce Wight's message below for more photos.
Reference:
• MacFarland, F.M. (1905). A preliminary account of the Dorididae of the Monterey Bay, California. Proceedings of the Biological Society of Washington, 18: 35-54
• MacFarland, F. M. 1966. Studies of opisthobranchiate mollusks of the Pacific coast of North America. Memoirs of the California Academy of Sciences, 6: 1-546, pls. 1-72.
Rudman, W.B., 2000 (July 4) Polycera atra MacFarland, 1905. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/polyatra
Related messages
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Re: Polycera atra from California
From: Wesley M.Farmer, July 1, 2008 -
Polycera atra from California
From: Clinton Bauder, November 5, 2007 -
Polycera atra - feeding juveniles
From: Bruce Wight, August 3, 2007 -
Polycera atra - mating juveniles
From: Michael Jimenez, June 11, 2005 -
Polycera atra from California
From: Chris Grossman, July 12, 2004 -
Polycera atra(?) from California
From: Daniel Geiger, September 20, 2002 -
Re: Polycera atra(?) from California
From: Dave Behrens, September 20, 2002 -
Photos of Polycera atra
From: Bruce Wight, July 7, 2000 -
Polycera atra? juvenile
From: Bruce Wight, July 5, 2000