Gymnodoris sp. 02  Genus: Stimpson, 1855

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Gymnodoris sp. 02 is characterized by its translucent whitish colour and by orange spots on the mantle. The gills are translucent whitish with orange tips and form a complete circle. The rhinophores are also translucent whitish with orange tips. There is orange pigment at the tip of the "tail'.
It is most possibly Gymnodoris sp. 2 in IPN at page 149:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426pp.