Glossodoris hikuerensis from Burma

March 23, 2003
From: Sarah Heaney

Hi
Is this nudibranch Glossodoris rufomarginata?

It was taken in at Western Rocky, Mergui Archipelago, Burma, Dec 2002.

Regards
Sarah

sarahlheaney@hotmail.com

Heaney, S., 2003 (Mar 23) Glossodoris hikuerensis from Burma. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9363

Dear Sarah,
This is Glossodoris hikuerensis, a species found throughout the tropical Indo-West Pacific. In the close-up alongside you can see how the gills form a double spiral in this species, rather than the simple circle found in most dorids. Species which have this double spiral tend to be the larger species, with quite thick body walls. I have hypothesised that the body wall is too thick to allow gas exchange to occur through the skin so the animals have compensated by developing a double spiral of gills which greatly increases the area of tissue engaged in gas exchange.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (Mar 23). Comment on Glossodoris hikuerensis from Burma by Sarah Heaney. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9363

Factsheet

Glossodoris hikuerensis

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