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Berthella martensi (Pilsbry, 1896) [Gymnotoplax]

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Berthella martensi is highly variable in colour, 3 variants are shown here: orange background colour with black spots, greyish background colour with brown/black spots, and brown/black background colour with white/yellowish spots. This sea-slug grows up to 12 cm.
More information on Berthella martensi are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 4 March 2016, Berthella martensi (Pilsbry, 1896)
available from http://www.Philippine-Sea-Slugs.com/Pleurobranchomorpha/Berthella_martensi.htm