Re: Chromodoris splendida laying eggs

February 4, 2008
From: Leanne & David Atkinson


Concerning message #9319:

Dear Bill,
We found this Chromodoris splendida laying eggs on a piece of seagrass. This series of photos show the increase in size of the egg ring as it is laid, the way the nudibranch shapes the ring with its mouth and tail. We also managed a shot of the eggs coming out of the oviduct. We realise we have already sent in a photo of this species laying but thought you might be interested in this series since it shows the process more thoroughly.

Locality: Halifax Sponge Gardens, Port Stephens - Great Lakes Marine Park, Port Stephens, 5metres, New South Wales, Australia, Pacific, 30 December 2007, Rocky sandy bottom with scattered seagrass, sponges, ascidians, bryozoans and kelp.. Length: Approximately 50 mm. Photographer: Leanne & David Atkinson.

Best wishes,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2008 (Feb 4) Re: Chromodoris splendida laying eggs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21334

Dear Leanne & David,

It's strange how little we know of some of the more common species. Looking carefully at your photo of the egg mass we can see that there appears to be a disc-like cap of extra-capsular yolk associated with each egg. This has not been reported for this species before.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Feb 4). Comment on Re: Chromodoris splendida laying eggs by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21334

Factsheet

Chromodoris splendida

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