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Kalinga ornata is a sand dweller that has been photographed from HURL submersibles at Hawaii to depths of 182 m. It can inflate its body and drift with the current. (Sea Slug Forum). Also, Michael D. Miller's Slug Site mentions that Rie Nakano and her collaborators have recorded it feeding on brittle stars in Tokyo Bay.
More information on Kalinga ornata are on Michael D. Miller's Slug Site!