Re: Ceratosoma trilobatum from Bali

October 13, 2008
From: Marcel Tanke

Concerning message #20620:

Hi Bill,
I can't resist sending you this beauty that we found about 80 meters west of the Liberty Wreck, see previous message. My wife Marion found it at 21 m depth. As it was close to a some rock and hard to take a photogragh, I picked it up for the pictures attached. It feld very light and strong, like thin porcelain. The next 3 days we went back 4 times to exactly the same spot, and surroundings, but couldn't find it a second time.

Locality: Coral Bay, Tulamben, 21 m, Bali, Indonesia, 1 October 2008, black sand. Length: 9 cm. Photographer: Marcel Tanke.

Best regards,
Marcel

marceltanke@cs.com

Tanke, M.A., 2008 (Oct 13) Re: Ceratosoma trilobatum from Bali. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21953

Dear Marcel,
It's certainly interesting to get an almost identical colour pattern from almost the same spot as in the previous message. However we also have photos from the Philippines and southern Queensland of similarly coloured animals so we can't say it is confined to a certain geographical area. If these animals were any other chromodorid genera, I would consider the different colour forms to indicate different species, but from all the anatomical evidence, and intermediate colour forms, body shape, not colour, is the species indicator in Ceratosoma.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Oct 13). Comment on Re: Ceratosoma trilobatum from Bali by Marcel Tanke. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21953

Factsheet

Ceratosoma trilobatum

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