Elysia ornata and an octopus

November 13, 2001
From: Bruce Potter


Bill,
I found this very interesting little tableau last night [5 November, 2001]. Two Elysia ornata were trying to make contact, but this tiny octopus was getting in the way. I thought I had found an example of octopus predation when it climbed all over the larger of the two Elysia, but it just continued on its way without apparently doing any damage to the slug.
I watched them for about 10 minutes before the octopus went on its way and left the two Elysia to get together.
Regards
Bruce Potter.

bruce.potter@adventist.org.sb

Potter, B., 2001 (Nov 13) Elysia ornata and an octopus. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5648

Dear Bruce,
I am surprised the octopus didn't eat the Elysia - they certainly make short work of most molluscs. Perhaps the octopus found the skin secretions of Elysia too distasteful. Thanks for sharing these wonderful photos.
Bill Rudman

Rudman, W.B., 2001 (Nov 13). Comment on Elysia ornata and an octopus by Bruce Potter. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5648

Factsheet

Elysia ornata

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