Trapania armilla? from Lembeh

March 14, 2008
From: Massimo Boyer

Dear Bill,

This photo was taken in Lembeh Strait, Sulawesi, about 10 m depth during the day. The animal was about 2 cm long. It could be a Trapania sp.?
Sorry about the quality of the photo, it is not good at all, but I was at the end if my film and this is the only picture that I could take ...

Massimo Boyer

Boyer, M., 2008 (Mar 14) Trapania armilla? from Lembeh. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Massimo,

This photo has been waiting in the backlog for a long time mainly because I couldn't really decide what it is. However the recent description of a white 'lumpy' Trapania - Trapania armilla - make me think that your animal could be that species. Unfortunately I can't see the oral tentacles clearly and in the description of this species a dark ring on each tentacle is the only colour pattern.

Best wishes
Bill Rudman

Rudman, W.B., 2008 (Mar 14). Comment on Trapania armilla? from Lembeh by Massimo Boyer. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Trapania armilla

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