Ercolania kencolesi egg-laying

September 13, 2007
From: Bill Rudman

In my earlier message [#20708] I mentioned the close association that the newly-named Ercolania kencolesi has with the algae Boergesenia forbesii, which it crawls inside to eat.  Here are a couple of photos the authors have given me permission to post on the Forum which show that the slug also lays their egg ribbons inside the algae.

PHOTOS:Living animals from Lizard Island, Nth Queensland, Australia. Upper: Egg masses laid 3 days after animal entered algal cell. Lower: Animal and egg mass laid 2 days after animal entered algal cell . Photos with permission from Grzymbowski, Y., Stemmer, K. & Wagele, H, (2007).

Bill Rudman

Rudman, W.B., 2007 (Sep 13) Ercolania kencolesi egg-laying. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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