Charcotia granulosa from the Antarctic Peninsula

March 18, 2010
From: Kevin Lee

Here is Pseudotritonia antarctica another Antarctic sea slug for the forum.

Locality: Verdansky, 30 feet, Antarctic Peninsula, Southern Ocean, 14 March 2009, rocky slope. Length: 3/4 inch. Photographer: Kevin Lee.

Best wishes,

K:-)

www.diverkevin.com

diverkevin@gmail.com

Lee, K., 2010 (Mar 18) Charcotia granulosa from the Antarctic Peninsula. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23342

Dear Kevin,

This animal certainly has the digitiform rhinophores that Pseudotritonia antarctica is reported to have, but that species only has tubercles around the mantle edge. I am pretty sure your animal is the related Charcotia granulosa,  which has tubercles scattered all over its back.

Have you any idea what the orange branching colony the animal is crawling on is? from the orange contents in the digestive gland it may well be the animal's food. If so it would be a useful addition to outkowledge of this antarctic species.

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Mar 18). Comment on Charcotia granulosa from the Antarctic Peninsula by Kevin Lee. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23342

Factsheet

Charcotia granulosa

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