Trapania velox is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.Bouchet, P. (2015). Trapania velox. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-20
Distribution This species was described from La Jolla, California. It has since been reported from California south to Bahia Tortugas, Baja California, Mexico.Behrens, D. W. and Hermosillo, A. (2005) Eastern Pacific Nudibranchs. A Guide to the Opisthobranchs from Alaska to Central America. Monterey, California, Sea Challengers. 1-137.
Description This goniodorid nudibranch is translucent white in colour, with a pattern dark brown lines forming a loose network on the body. The tips of the rhinophores, oral tentacles, gills, tail and lateral papillae are tipped with yellow.Rudman, W.B., 2006 (January 24) Trapania velox (Cockerell, 1901). [In] Sea Slug Forum. Australian Museum, Sydney.
Ecology Trapania velox probably feeds on Entoprocta which often grow on sponges and other living substrata.
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