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Pretty similar are
Petalifera cf. ramosa which lacks the rounded tubercles with white basal ocelli
Stylocheilus longicauda which differs by the bright yellowish-green body colour, the long tail, and blue spots circled with orange-red.
More information on Petalifera ramosa are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2015), published 16 October 2016, Petalifera ramosa Baba, 1959
available from https://www.Philippine-Sea-Slugs.com/Anaspidea/Petalifera_ramosa.htm