Rostanga lutescens, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae.
Distribution This species was described from Timor, Indonesia. It has subsequently been reported from the Marshall Islands.Johnson, S. & Bertsch, H. (1985) Rediscovery and Redescription of Rostanga lutescens (Bergh, 1905), comb nov. (Gastropoda: Nudibranchia). The Veliger, 27(4): 406-410.Rudman, W.B., 2002 (February 4) Rostanga lutescens Rudman & Avern, 1989. [In] Sea Slug Forum. Australian Museum, Sydney.
Description This dorid nudibranch is a pale, translucent orange or yellow in colour, and the dorsum is covered with caryophyllidia.
Ecology Most species of Rostanga feed on sponges of the family Microcionidae.
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