Click the thumbnail photos to enhance!
There is a picture of a whole specimen from the Philippines at Mike Miller's Slug Site, but no data are given.
Pretty similar are:
Platydoris formosa which differs by red patches on the mantle, by its bright red rhinophores, and by distinct black lines outlining the gills
Platydoris cinerobranchiata which differs by red patches on the mantle, by uniformly bluish-grey gills and by brownish-green rhinophores.
More information on Platydoris scabra are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 18 April 2017, Platydoris scabra (Cuvier, 1804)
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Platydoris_scabra.htm