June 15, 2000
From: Atsushi Ono
Thank you for your reply.
I found this at 4m depth on dead coral at Kerama Is. near Okinawa. It was 7mm long, I found only one individual.
Could you help me to identify this?
firstname.lastname@example.orgOno, A., 2000 (Jun 15) Thorunna purpuropedis from Kerama Id. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2578
Thanks for sending this photo. It has helped me realise that I was wrong with the animal you sent on June 9.
Thorunna speciosus does not have any red in its colour pattern and of the other two species with red, in Thorunna montrouzieri the orange border is absent posteriorly, while in Thorunna purpuropedis the orange band continues around the mantle edge.
One feature that is a bit puzzling is the orange border on either side just in front of the rhinophores. In other specimens of T. purpuropedis this continues around the front of the mantle, but in you photo there is a break as in specimens of T. montrouzieri. We will need more specimens and photos to clarify these species.