Chromodoris baumanni laying eggs

January 30, 2004
From: Angel Chiriboga

Dear Dr. Rudman,
Here are two Chromodoris that I think they are C. baumanni. What do you think? I found them under a rock (20ft) at Cousins, Santiago Is, Galápagos Ids. They where laying eggs.

I hope you found this interesting.
Best wishes,
Angel Chiriboga

Chiriboga< A., 2004 (Jan 30) Chromodoris baumanni laying eggs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Angel,
Thanks for this interesting photo. It helps record the colour variation in this species and is the first egg mass I have seen of this species. I have included a close-up alongside of the gills of one of your animals as it shows that at least in larger animals the gills are triangular in cross-section. You can see a red-speckled smooth outer face on each gill. This is not apparent on many of the photos on the Forum. [see Alicia Hermosillo's photos.]

Best wishes
Bill Rudman

Rudman, W.B., 2004 (Jan 30). Comment on Chromodoris baumanni laying eggs by Angel Chiriboga. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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