Previously known only from Hong Kong, there are now records on the Forum from the Solomon Ids and Marshall Ids.
2 specimens, 19 April 1986, Cock's Head Rock, Mirs Bay, 7 m, Hong Kong. AM C150348. Photos: Brian Darvell.
This white animal with brown oral tentacles, brown-tipped lateral processes and brown-edged gills and rhinophores differs from all other species of the genus in colour. The largest known specimen has a preserved length of 13 mm.
Trapania sp. 9 may be a colour variant.
Rudman,W.B.(1987). The genus Trapania (Nudibranchia: Goniodorididae) in the Indo-West Pacific. Journal of Molluscan Studies, 53: 189-212.
Rudman, W.B. & Darvell, B.W. (1990) Opisthobranch molluscs of Hong Kong. Part 1. Goniodorididae, Onchidorididae, Triophidae, Gymnodorididae, Chromodorididae, (Nudibranchia). Asian Marine Biology, 7: 31-79
Rudman, W.B., 2001 (July 5) Trapania darvelli Rudman, 1987. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/trapdarv
Radular morphology of Trapania darvelli
From: Bill Rudman, March 12, 2008
Trapania darvelli from South China Sea
From: Richard Swann, May 30, 2007
Trapania darvelli? from the Solomons
From: Bruce Potter, February 17, 2002
Trapania darvelli from Hong Kong
From: Bill Rudman & Brian Darvell, February 3, 2002