Dendrodoris carbunculosa from Anilao, The Philippines

May 17, 2005
From: Paul Osmond

Bill,
Lets see if I can get one right :-)

This image taken in March 2004 is I believe of Dendrodoris tuberculosa from Anilao, The Philippines, although I am uncertain. This was the first time I had seen this species, so I was unaware of the white spots underneath that identify the species.

For a big nudibranch, this speciman was moving across the reef pretty fast (relative of course to other nusibranchs).

Locality: Planet Dive Shore Dive, Anilao, Batangas, The Philippines. Depth: 8 m. Length: 100 mm. 17 March 2004. Shallow Coral Reef, White Sand Bottom. Photographer: Paul T. Osmond

Enjoy,
Paul
www.deepseaimages.com

marriard@deepseaimages.com

Osmond, Paul T., 2005 (May 17) Dendrodoris carbunculosa from Anilao, The Philippines. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13706

Dear Paul,
I'm afraid this is Dendrodoris carbunculosa, not D. tuberculosa. Although one easy way to separate them is the absence of white spots on the underside of the mantle skirt in D. carbunculosa, that's not much use from photos. However your photos show another quite good character, and that is the large tubercles each surrounded by a ring of small tubercles. In D. tuberculosa the tubercles are usually more complex with multiple tips,, and are not ringed by smaller tubercles. Usually the compound tubercles of D. tuberculosa are crowded together, not spaced as you can see her in D. carbunculosa.

Your upper photo shows the relatively stiff mantle skirt very well
Best wishes
Bill Rudman

Rudman, W.B., 2005 (May 17). Comment on Dendrodoris carbunculosa from Anilao, The Philippines by Paul Osmond. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13706

Factsheet

Dendrodoris carbunculosa

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