Flabellina bilas Gosliner & Willan, 1991
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Flabellina bilas is chracterized by a red ring on the upper third of the cerata,
with a narrow opaque white ring above and below it, and by distinctive whitish medial patches on the dorsum.
The cerata are basally whitish-tan followed by a broad reddish band, then whitish-tan, the one more reddish band, subapically is a red ring, with a narrow opaque white ring above
and below it, the tips are red. The oral tentacles have a flattened terminal lobe. Distinctive are the whitish-blue diamond-shaped medial
markings on the dorsum.
It is similar in shape to Flabellina riwo, including the long oral tentacles with flattened tips.
It differs by the colour pattern.
One more species with that kind of oral tentacles is Flabellina bicolor.
More information on Flabellina bilas are on
Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 1 November 2016, Flabellina bilas Gosliner & Willan, 1991
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Flabellina_bilas.htm