What slug is this?

August 13, 2005
From: Arne Stremlau

Hello!
I took a picture of a fast moving slug during a dive in the south Ari Atoll, Maldives.

Locality: Kuda Rah Thila, Rep. of Maldives, Indian Ocean. Depth: 21 metres. Length: 70-80 mm. 6 July 2005. Photographer: Arne Stremlau

I have no idea what slug it is and was hoping to get some help on id'ing it

thanks
Arne

arnes@microsoft.com

Stremlau, A, 2005 (Aug 13) What slug is this? . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14482

Dear Arne,
This is a flatworm, not a nudibranch. Its name is Pseudobiceros bedfordi. It is sometimes hard to tell nudibranch and flatworms apart without having a close look. One good field indication though is how quickly they crawl. Your description of it as a fast moving slug is a pretty good indication that it is a flatworm. As much as I like them, nudibranchs are very slow.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Aug 13). Comment on What slug is this? by Arne Stremlau. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14482

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