Unidentified Nudibranch from Guam

February 16, 2007
From: Bob Abela

Dear Bill,

First time writing but I've been a fan of your forum and refer to it all the time.

I have a couple pictures to share of a small nudibranch that has me baffled. Perhaps you can help offer a name?

Locality: Agat Bay, Approximately 25 ft, Guam, Western Pacific, 23 January 2007, Aggregate reef, not far beyond the reef edge, predominantly covered by macro algae.. Length: Approximately 1 cm. Photographer: Bob Abela.

Sincerely,
Bob Abela

babela@guamcell.net

Abela, R. A., 2007 (Feb 16) Unidentified Nudibranch from Guam. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19470

Dear Bob,

I have never seen such a pale version of this species, but I am pretty sure it is Ceratosoma miamirana. By chance I am posting a message from Mike Krampf today [message #19458] of a strange reddish ornage form of the same species. You will note his animal has the same blue spots down each side and the fine green and brown edging to the gills. This species is also characterised by a reticulate green pattern on the underside of the mantle, but I am not sure if an animal this small would have any traces of it.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Feb 16). Comment on Unidentified Nudibranch from Guam by Bob Abela. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19470

Factsheet

Ceratosoma miamiranum

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