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Bornella hermanni  Angas, 1864

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Bornella hermanni has a translucent cream colour with a broken network of red-orange lines, branched large posterior process on the rhinophore sheaths, and three pairs of dorso-lateral processes.
Very similar is Bornella stellifer, it has been misidentified in several field guides.
Bornella hermanni can be distinguished from Bornella stellifer by the branched large posterior process on the rhinophore sheath, in Bornella stellifer it is single. In Bornella stellifer the rhinophores, dorso-lateral processes and velar tentacles all have an orange-red subapical ring which is absent in Bornella hermanni. In Bornella hermanni there are three pairs of dorso-lateral processes while in Bornella stellifer there are five or six pairs.
More information on Bornella hermanni are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2016), published 6 August 2016, Bornella hermanni  Angas, 1864
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Bornella_hermanni.htm