Hermissenda crassicornis (sea slug) Date 24 May 2009, 09:55
Source http://www.flickr.com/photos/minette_layne/3560037731/
Author Minette Layne from Seattle, Washington http://www.flickr.com/people/7232133@N08
Source: https://commons.wikimedia.org/wiki/File:Nudibranchia_(3560037731).jpg
Hermissenda crassicornis is a species of brightly coloured, sea slug or nudibranch, a marine gastropod mollusc in the family Facelinidae. This nudibranch lives from Kodiak Island, Alaska, to Northern California. It is replaced by Hermissenda opalescens to the south of Northern California. Order: Nudibranchia, Superfamily: Aeolidioidea, Family: Facelinidae, Genus: Hermissenda, Species: Hermissenda crassicornis Eschscholtz, 1831.