Re: Micromelo undata - developing veligers

November 20, 2006
From: Philibert Bidgrain

Concerning message #18368:

Dear Bill,
Reunion Island sea slugs.

I haven't observed the egg mass on the day of hatching but only after two days and 6 days. I send you in this message the microscopic photo taken after two days...

There is actually too much swell, but as soon as possible I go back to the "Micromelo undata spot" and I try to found and take a photo of the egg mass on the day of hatching.

Philibert Bidgrain
http://vieoceane.free.fr/runseaslug/indexslug.htm

pbidgrain@yahoo.fr

Bidgrain, P., 2006 (Nov 20) Re: Micromelo undata - developing veligers. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18375

Dear Philibert,
Thanks for the photo. It certainly looks like a multicelled embryo rather than an uncleaved single-celled egg but I can't be 100% sure. If it is an embryo then perhaps it is like related species I have observed in which eggs are 'brooded' for some time before being laid.
Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Nov 20). Comment on Re: Micromelo undata - developing veligers by Philibert Bidgrain. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18375

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