Sclerodoris sp. 07  Genus: Eliot, 1904

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Sclerodoris sp. 07 is characterized by its orange body colour, by excavations or 'pits' near the mantle margin, connected by translucent orange/whitish ridges, and by mootled yellowish/tan gills.
Pretty similar are:
Halgerda dalanghita  Fahey & Gosliner, 1999 which lacks the excavations or 'pits' .
Sclerodoris sp. 06  Genus: Eliot, 1904 which differs by whitish papillae on the ridges and on the edge of the mantle.