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Cyerce nigra  Bergh, 1871

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Cyerce nigra is characterized by a pattern of transverse stripes on the outside of the cerata, each ceras has a black marginal line and a broad yellowish/white submarginal band. Cyerce nigra has been often considered to be a colour form of Cyerce nigricans which differs by yellowish spots on the outside of the cerata, and by a thin white marginal line and a broad black submarginal band, followed by a broad orange/yellowish band on each ceras. Bergh described Cyerce nigra from Palau. Both species have yellowish spots/tubercles on the inside of the cerata.
More information on Cyerce nigra are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 26 February 2016, Cyerce nigra  Bergh, 1871
available from http://www.Philippine-Sea-Slugs.com/Sacoglossa/Cyerce_nigra.htm