Bioluminescence in Phylliroe

August 10, 2000
From: Steven Haddock

Hi Bill.
First of all, the SeaSlug Forum is really incredible. The illustrations are simply amazing!

I wondered if you were still interested in photos of Phyllirhoe? I have an OK, but not great one as part of my bioluminescence site:, which I am happy for you to use.

In the photo, the head is on the left. The animal is approximately 8 cm long.

Best wishes,

Haddock, S., 2000 (Aug 10) Bioluminescence in Phylliroe. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Steve,
I see I posted my request for a photo in 1998. Its a bit like trying to collect a particular nudibranch - sometimes it takes a while, but it's worth it in the end. Thanks for the offer which I gratefully accept. I wish you well with your bioluminescence site. It already has some fascinating information and photos on it. I would dearly love to photograph Plocamopherus imperialis or one of the other species of Plocamopherus which seem to be the best examples of bioluminescence amongst the benthic nudibranchs, but it only seems to light up on rare occasions, and the few times I have seen it in action I didn't have my camera ready.

Your photo has given me the energy to add some information on this fascinating animal to the Phylliroe bucephalum Page.

Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Aug 10). Comment on Bioluminescence in Phylliroe by Steven Haddock. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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