Thuridilla virgata in Mozambique

February 28, 2005
From: Riaan Marx

Hi Dr. Rudman,
Here is a picture of Thuridilla virgata (I think). It seems to me these critters can pull the old tortoise trick as well...

Locality: Ponta Malongane (Creche reef), Mozambique, Indian Ocean. Depth: 12 metres. Length: 15-20 mm. 8 February 2005' Sandy patches on rocky reef. Photographer: Riaan Marx

Kind regards
Riaan Marx.

Marx, R., 2005 (Feb 28) Thuridilla virgata in Mozambique. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Riaan,
There are only 5-6 records of T. virgata since it was described in 1888, so this is a valuable addition. If by the 'old tortoise trick' you are referring to it pulling its head, yes all the elysiids can do that. Perhaps it might protect the head, but since they are soft bodied its not much protection.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Feb 28). Comment on Thuridilla virgata in Mozambique by Riaan Marx. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Thuridilla virgata

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