Is this Phyllidia ocellata?

December 27, 2000
From: Vincent Tomeno

Hello.
I've spend 15 days of holidays in Koh Tao (Thailand), and I've seen many species of nudibranchs. Once returned home, I've been able to identify most of these species.
But I'm not sure about one of them. Maybe it is a Phyllidia ocellata? (I've seen a few others there). Is is about 3cm long. I have enclosed two photos of it [upper right, lower left] and one photo of what I think is really Phyllidia ocellata [lower right].
Can you confirm or else tell me what is this nudibranch, please?

Vincent Tomeno

vtomeno@cybercable.fr

Tomeno, V., 2000 (Dec 27) Is this Phyllidia ocellata?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3263

Dear Vincent,
Phyllidia ocellata is quite variable in colour but I am not sure whether the upper right and lower left photos are of a species of Phyllidia or not. The lower right photo is definitely P. ocellata.

I am afraid the only way to be sure would be to look at a specimen. If you have other photos perhaps you can check whether any of them shows a circle of gills. Your animal has similarities to Caldinella ornatissima which is quite variable in colour, but like most dorids has a circle of gills visible on the dorsal surface of the body.

Perhaps someone will recognise this animal for us. [See also David Harasti's message with probably the same animal].
Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Dec 27). Comment on Is this Phyllidia ocellata? by Vincent Tomeno. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3263

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Phyllidia ocellata

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