Flabellina bilas? from Philippines

February 16, 1999
From: Erwin Koehler


Dear Bill,
Here are two photos of Flabellina bilas (Gosliner & Willan, 1991), "snake island (dive site)", Pamilacan Is., Philippines, Nov. 1998.
Erwin Koehler

E.Koehler@deutschepost.de

Koehler, E., 1999 (Feb 16) Flabellina bilas? from Philippines. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/568

Dear Erwin,
I am pretty sure that your animal is Flabellina bicolor which has a single gold band or circle on the cerata. In Flabellina bilas there are three subterminal coloured bands - one red band bordered, on each side, by a creamy white band. Unfortunately I haven't a photo to put up for comparison. Both species have a lamellate or "perfoliate" rhinophores and both have large "active" oral tentacles which can develop a flattened paddle-like region near the tip (see photo at top of page).
Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Feb 16). Comment on Flabellina bilas? from Philippines by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/568

Factsheet

Flabellina bicolor

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