Flabellina rubrolineata laying eggs

June 27, 2006
From: Leanne & David Atkinson

Hi Bill,
We found this Flabellina rubrolineata laying eggs at the weekend. We often see them laying eggs during winter but it is difficult to get a decent photo showing what's happening because they tend to curl up and the growth that we find them on is so light that any water movement makes the whole thing sway like mad.

Locality: Halifax Marine Reserve, Port Stephens, 18 metres, NSW, Australia, Pacific Ocean, 18 June 2006, Sandy bottom covered in sponges, soft corals, bryozoans and hydroids. Length: 25mm. Photographer: Leanne & David Atkinson.

Regards,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2006 (Jun 27) Flabellina rubrolineata laying eggs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16949

Dear Leanne & David,

This is an nice illustration of the life cycle of these animals which are so tied to their hydroid food. The branching object they are laying eggs on is the dead skeleton of a hydroid colony - perhaps the one they have been feeding on - and now that their food supply is gone, they can make one last move to continue the species, by laying the eggs which contain the next generation.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jun 27). Comment on Flabellina rubrolineata laying eggs by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16949

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Flabellina rubrolineata

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