Regeneration in Elysia ornata

January 18, 2001
From: Satoru Hori

Dear Bill

I found Elysia ornata whose rhinophores were lost. I took this sea slug in my tank because I wanted to know how long it could live without rhinophores. In my tank, I cultivated a type of sea weed that Elysia ornata ate. That sea weed is shown in the photo.

To my surprise, rhinophores were regenerated after a month. I would like to know more about the regeneration rhinophores and cerata. Could you tell me the references on regeneration of sea slugs.

Thank you.
Satoru Hori

ik8s-hr@asahi-net.or.jp

Hori, S. , 2001 (Jan 18) Regeneration in Elysia ornata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3558

Dear Satoru,
Thanks for the interesting information on regeneration in Elysia ornata. I am afraid I can't help with any recent references on regeneration in sea slugs. If anyone out there knows of some I would be very grateful for the information.

There were some French & German studies published about 1900. There was also a paper by Child (1905) which showed that aeolids could regenerate the head if it was cut off in front of the nerve ring, and regenerate the posterior part of the body as long as more than half the body remained.
[Child, C. (1905) Regeneration in Nudibranchs. Science, 21]

Hopefully someone can help us with some recent references.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Jan 18). Comment on Regeneration in Elysia ornata by Satoru Hori . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3558

Factsheet

Regeneration

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