Aldisa sanguinea
(Cooper, 1873)
Order: NUDIBRANCHIA
Suborder: DORIDINA
Superfamily: EUDORIDOIDEA
Family: Dorididae
DISTRIBUTION
Oregon to Gulf of California, Mexico.
PHOTO
North Monastery Beach, 10m, Carmel, California, USA. Approx 25mm long. Photo: Clinton Bauder.
Red with one or two dark spots in the dorsal midline which look like the oscula (exhalant pores) of sponges. There is sometimes traces of a light brown or cream transverse streak on each side the mantle about midway. Grows to about 25mm long.
Found from the intertidal to about 10m. The orange egg ribbons, form a 4 whorl spiral and a laid on their sponge food. It is reported to feed on the orange sponges Ophlitaspongia pennata and Hymendesmia brepha.
Reference:
• Millen, S. V. & Gosliner, T. M. 1985. Four new species of dorid nudibranchs belonging to the genus Aldisa (Mollusca, Opisthobranchia), with a revision of the genus. Zoological Journal of the Linnean Society, 84(3):195-233.
Rudman, W.B., 2002 (February 18) Aldisa sanguinea (Cooper, 1873). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/aldisang
Related messages
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Aldisa sanguinea from Monterey, California
From: John Yasaki, March 31, 2009 -
Aldisa sanguinea from California
From: Clinton Bauder, July 28, 2007 -
Aldisa sanguinea from Point Lobos, California
From: Clinton Bauder, May 3, 2007 -
Aldisa sanguinea from Carmel, California
From: Clinton Bauder, April 27, 2006 -
Re: Aldisa sanguinea from British Columbia
From: Brian K. Penney, November 5, 2005 -
Aldisa sanguinea from British Columbia
From: Marli Wakeling, November 4, 2005 -
Re: Aldisa sanguinea from British Columbia
From: Jeff Goddard, November 4, 2005 -
Aldisa sanguinea, a fairly uncommon nudibranch
From: Bruce Wight , August 8, 2003 -
Aldisa sanguinea from Carmel, CA
From: Clinton Bauder, February 20, 2002