Photos of Pteraeolidia ianthina

September 16, 2008
From: Sukhdev Singh


Hi,

I just thought you might like to see my 'Blue Dragon' pics.

The first is one a friend emailed to me & I believe he took it in the Philippines. The second one I took at Lankayan Island, North Borneo.

The last was taken at Sipadan Island, Borneo. It's a still from the video I had made.

Locality: Island, 15 metres, Borneo, South China Sea, 13 June 2007, Reef wall. Length: 4 inches. Photographer: Sukhdev Singh.

Sukhdev Singh

suk@suksreef.com

Singh,S., 2008 (Sep 16) Photos of Pteraeolidia ianthina. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21884

Dear Suk,

Thanks for these photos. When I see photos like this of one animal with short cerata and the other with long ones, it makes me think there must be more than one species. But I have looked at the anatomy of a whole series of animals from all parts of the world and can find no obvious differences.  Perhaps DNA studies will suggest there is more than one species, but then again maybe the differences are physiological - perhaps to do with the symbiotic zooxanthellae they harbour. I have a few more messages on this species to post. I will do it today or sometime soon.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Sep 16). Comment on Photos of Pteraeolidia ianthina by Sukhdev Singh. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21884

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