Re: Oregon Anisodoris nobilis?

January 10, 2002
From: Phil

Thank you, everyone, for your quick response. After reading through the Archidoris montereyensis thread I have to agree. However, I didn't see any quite as dark as this one. There were both pinkish purple and bright yellow sponges within 100 feet (~30 m) of the tidepool where I found this specimen. Mostly the purple variety, but a few yellow sponges. I was told that they tend to be the color of the sponge that they eat. Is this correct?

Does anyone know where the scientific name comes from? I here they are quite common in the Monterey Bay area of California. If you would like pictures from some other angle, I have about twenty fairly large shots of this little guy. Again, thanks for the info.
Phil

chiron42@msn.com

Phil, 2002 (Jan 10) Re: Oregon Anisodoris nobilis?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5938

Dear Phil,
Glad we could solve your problem so painlessly. Many dorids do resemble the colour of their sponge food. Sometimes this is brought about by taking up sponge pigments into their skins but often it seems to be the result of a long evolutionary process which as resulted in the survival of those animals which are best camouflaged.

Archidoris montereyensis was named after Monterey Bay. If you see a scientific name ending in -ensis its means that it is named after the geographic locality preceding the -ensis. For example fijiensis = from Fiji, californiensis = from California etc.
Thanks for your offer of other photos. If you have any that you think help to show the animal or some part of it that would be very welcome.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Jan 10). Comment on Re: Oregon Anisodoris nobilis? by Phil. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5938

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