Phyllidia undula
{{Short description|Species of gastropod}}
{{Speciesbox
| image = Phyllidia ocellata Réunion.JPG
| image_caption = The nudibranch, Phyllidia undula, Réunion
| taxon = Phyllidia undula
| authority = Yonow, 1986Yonow N. (1986). Red Sea Phyllidiidae (Mollusca, Nudibranchia) with descriptions of new species. Journal of Natural History 20: 1401-1428
| synonyms =
}}
Phyllidia undula is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.Bouchet, P. (2015). [http://www.marinespecies.org/aphia.php?p=taxdetails&id=536629 Phyllidia ocellata undula Yonow, 1986.] In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-10-30.
Description
Distribution
This species was described from the Red Sea. It appears to be confined to the western Indian Ocean including the Red Sea, the African coast and the Island of Réunion.Bidgrain, P. (2016). [http://seaslugs.free.fr/nudibranche/a_pdia_ocellata.htm Phyllidia ocellata colour forms on Réunion.] Sea Slugs from southwest Indian Ocean.
Diet
This species feeds on a sponge.