Phyllidia polkadotsa is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.Bouchet, P. (2015). Phyllidia polkadotsa Brunckhorst, 1993. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-10-27.
Distribution This species was described from the Hawaiian Islands.Rudman, W.B., 1999 (January 12) Phyllidia polkadotsa Brunckhorst, 1993. [In] Sea Slug Forum. Australian Museum, Sydney.
Description This nudibranch has a yellow or orange coloured dorsum with large round black spots which are surrounded by a paler, translucent, ring. There are three longitudinal ridges along the back and small, scattered, tubercles.Pittman, C. & Fiene, P. (2016). Phyllidia polkadotsa. Sea Slugs of Hawaii.
Diet This species feeds on a sponge.
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