Armina sp. 2. from Philippines

April 3, 1999
From: Erwin Koehler

Dear Bill,
I found two species of Armina, one with black foot and red-orange border , the other with a pale blue foot and yellow border (see photos here). There were lots of both species at this place, nightdive (my dive no.1000), Philippines, Negros Is., El Dorado housereef, March 1999, 8 - 14m depth.

Koehler, E., 1999 (Apr 3) Armina sp. 2. from Philippines. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Erwin,
Thanks for the pics of this species and the other similarly coloured species which I have labelled . The arminids are an interesting group which still need a lot of work. There seem to be 10 - 15 species with black and white longitudinal lines down the body. They have other slight colour differences and major radular differences. We don't know yet whether each 'species' has a restricted distribution or whether all species have a wide Indo-West Pacific distribution. Perhaps each species feeds on a different food?

Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Apr 3). Comment on Armina sp. 2. from Philippines by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


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