Okenia rosacea - feeding & breeding

December 13, 2005
From: Kevin Lee

At the urging of Jim Lyle, I post this foto of an aggregate of Hopkin's Roses (Okenia rosacea ) and egg coil. Am pleased to do so.

Locality:  Shaw's Cove, Laguna Beach, California. Depth: approximately 15 feet. Length: approx. 1 inch. 27 May 2005. In main swim-through. Photographer: Kevin Lee

Kevin Lee

diverkevin@gmail.com

Lee, Kevin, 2005 (Dec 13) Okenia rosacea - feeding & breeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15458

Dear Kevin,
Thanks for this very welcome photo, which shows their food bryozoan, Integripelta bilabiata very well, and also the uncoloured parts that have already been eaten. The egg ribbons are also very interesting, If you look in the lower right close-up photo, we can see part of the egg ribbon leading from the centre of the spiral down to the animal. This seems to me to show that this is one of the species that starts laying its egg ribbon from the outside and spirals inwards to the centre. I suspect this has been observed before - perhaps Jeff Goddard can enlighten us. All in all this photo is a nice Christmas present.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Dec 13). Comment on Okenia rosacea - feeding & breeding by Kevin Lee. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15458

Factsheet

Okenia rosacea

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