Identified as Paradoris sp. 6 in
(Nudibranch and Sea Slug Identification. Indopacific. 2015) by Terry Gosliner & all and confirmed by Nathalie Yonow A similar specimen was obserded in Indonesia (see nudipixel)
Bibliographic data :
Under the name Paradoris sp6 in Nudibranch ans Sea Slug Identification. Indopacific. 2015