Selection: Phestilla melanobrachia

Phestilla melanobrachia Bergh, 1874

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The aeolid Phestilla melanobrachia feeds exclusively upon dendrophyllid corals Dendrophyllidia / Tubastraea spp. This shot shows a specimen with dark cerata.
More informations on Phestilla melanobrachia are at Bill Rudman's Sea-Slug Forum!