Chelidonura hirundinina from Caribbean

August 13, 2003
From: Carol Thomas

Could you please help me identify the attached animal. There were several of these creatures crawling slowly across this sandy area in Grand Turk and were about as long as a small finger nail. This shot was taken at about 50 feet. The divemaster pointed them out but said he had no idea what they were. Thanks for your help!
Carol Thomas

Thomas, C., 2003 (Aug 13) Chelidonura hirundinina from Caribbean. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Carole,
I guess the 'Grand Turk' your mention is one of the Turks and Caicos Islands, near the Bahamas, in the Caribbean. Your mystery animal is Chelidornura hirundinina, which is a sand-dwelling species feeding on small flatworms. It is found throughout the tropical Indo-West pacific and the Atlantic. This is the typical Caribbean colour form.
Best wishes,
Bill Rudman

Rudman, W.B, 2003 (Aug 13). Comment on Chelidonura hirundinina from Caribbean by Carol Thomas. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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