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I am not sure on the generic placement, that is why I use the family and call it Discodorididae sp. 07.
I don't know if this specimen is the same species, if differs by the reddish background colour and by larger dark pink/reddish patches, I think it is a colour variant.
Pretty similar are:
Discodorididae sp. 13 which has a series of middorsal knobs.
Discodorididae sp. 27 which differs by a larger middorsal ridge, and by orange pigment at the mantle margin.
How to cite:
Köhler, E. (2017), published 21 March 2017, Discodorididae sp. 07 Family: Bergh, 1891
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Discodorididae_sp_07.htm