Phyllidiella granulata is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Phyllidiidae.Bouchet, P. (2015). Phyllidiella granulata Brunckhorst, 1993. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2016-11-04.
Distribution This species was described from Guam with an additional specimen from Lizard Island, Australia. It has been reported from the Philippines, Papua New Guinea and Sipadan Island.Rudman, W.B., 1999 (September 12) Phyllidiella granulata Brunckhorst, 1993. [In] Sea Slug Forum. Australian Museum, Sydney.
Description This nudibranch has a grey dorsum with white-capped tubercles with pink or grey bases. There are two longitudinal black lines which run in a zigzag pattern between the tubercle groups, joining at the tail. Connecting black lines may run across the body. The rhinophores are black with a pale grey base.
Diet This species has been reported to feed on the sponge Acanthella cavernosa.
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