Trapania brunnea is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.Rosenberg, G.; Bouchet, P. (2015). Trapania brunnea. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-16
Distribution This species was described from New South Wales, Australia. It has also been reported from Victoria, Tasmania and New Zealand.
Description This goniodorid nudibranch is translucent pale brown with a meshwork pattern of darker brown covering most of the body apart from some irregular patches around the gills and rhinophores and along the midline of the back. The lateral papillae, gills and rhinophores are mostly translucent pale brown, with some brown markings.Rudman, W.B., 2001 (April 4) Trapania brunnea Rudman, 1987. [In] Sea Slug Forum. Australian Museum, Sydney.
Ecology Trapania brunnea feeds on Entoprocta which often grow on sponges and other living substrata.
References
Burn R. (2006) A checklist and bibliography of the Opisthobranchia (Mollusca: Gastropoda) of Victoria and the Bass Strait area, south-eastern Australia. Museum Victoria Science Reports 10:1–42