Chelidonura varians - trailing behaviour

May 19, 2003
From: Leanne & David Atkinson


Dear Bill,
Can you help us identify these creatures which we think are Chelidonura varians. They were exhibiting trailing behaviour.

Location: Mana Passage, Mana Island, Fiji.
Date: April 2002, Daytime. Depth: 12m
Water Temperature: 30 degrees celsius

We also tried to video them but they quickly separated when the 100 watt movie light was turned on.
Thanks,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & Atkinson, D., 2003 (May 19) Chelidonura varians - trailing behaviour. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9980

Dear Leanne & David,
Yes this is Chelidonura varians and thanks for the nice photo of them trailing. As I mentioned in Stuart Hutchinson's message, trailing in aglajids is often a prelude to mating. They use their sensory bristles on either side of the mouth to follow the mucus trail of other animals. If they are the same species they often mate. See the C. inornata Fact Sheet for a photo of the sensory bristles.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (May 19). Comment on Chelidonura varians - trailing behaviour by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9980

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