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An aeolid nudibranch with a lilac-colored slender body and lamellate rhinophores. Also known as Flabellina Sea Slug and Flabellina Nudibranch. They feed on hydroids, coral, sponges and anemones, and grow to a length of about 2cm.
Found singly or in pairs on coral and rocky reefs, often crawling around hydroids encrusted with turf algae, at depths of 2 to 40m. Widespread in the Indo-West Pacific region.
Spotted this nudibranch at a depth of about 40 feet. It was on a rock in the sand.