Regarding Eubranchus exiguus

April 21, 2002
From: Alan Shepard

I sent my photo of what you tentatively thought was Eubranchus exiguus to Dr. Larry Harris at the University of New Hampshire and he concurred that it was E. exiguus. He stated that they would be quite numerous this time of year and that I might wish to search areas around pier pilings and the like for more.
Alan Shepard

Shepard, A., 2002 (Apr 21) Regarding Eubranchus exiguus. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Alan,
Why I suggested some more photos would be interesting, is that as far as I can see in the literature, E. exiguus usually had distinctive brown spots on the body and the cerata, which I can't see in your photo. Knowing that there seems to still be some confusion about just how many species of Eubranchus there are in Europe, It is possible that your animal might be something else. Any information on colour variation and egg ribbon could therefore be of interest to anyone trying to sort out the identity of these animals in the future.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Apr 21). Comment on Regarding Eubranchus exiguus by Alan Shepard. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Eubranchus exiguus

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