April 7, 2003
From: Andrea Swensrud
In the past six months, we have pulled up two slugs that I am unfamiliar with in our trawls in the South San Francisco Bay. I don't have any pictures, but they fit the description of Melanochlamys diomedea in Pacific Coast Nudibranchs by David Behrens. They have been found on muddy bottoms at a depth of approximately 15-20 feet, and are about 15mm. Do you know if this species is found in the San Francisco Bay?
Marine Science Institute
I am not an expert on the San Francisco fauna, but Melanochlamys diomedea is found along most of the west coast of North America. If it looks like the animal in Dave's photo then chances are that's what it is.
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