Aeolidia papillosa from Puget Sound, Washington

February 22, 2005
From: Tom Hankins

Is anyone able to identify this sea slug?

Locality: Les Davis Fishing Pier, Puget Sound, Washington, USA. Depth: 40 Feet. Length: 6 Inches. 17 February 2005. Muddy bottom. Photographer: Tom Hankins.

Tom Hankins

ttommy69@hotmail.com

Hankins, T., 2005 (Feb 22) Aeolidia papillosa from Puget Sound, Washington. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13178

Dear Tommy,
This is Aeolidia papillosa, a large aeolid nudibranch which has a wide distribution on both the Atlantic and Pacific coasts of Nth America and also the Atlantic coast of Europe. There are in fact 2 animals in your upper photo, one following the other, the back one having its head under the foot of the front one. In the photo to the right of my reply you can see a single animal which has apparently been laying its eggs. Right above my reply I have included a close-up of the egg ribbon [on left] and a close-up of the head [on right]. Have a look at the Fact Sheet and the other messages on the Forum about this species for more information.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Feb 22). Comment on Aeolidia papillosa from Puget Sound, Washington by Tom Hankins. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13178

Factsheet

Aeolidia papillosa

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