Elysia pilosa?
Risbec, 1928
Order: SACOGLOSSA
Superfamily: ELYSIOIDEA
Family: Elysiidae
PHOTO
On a species of the green alga Caulerpa, New Caledonia, 50mm long alive, October 1993.
Photo: Bill Rudman.
This is possibly Elysia pilosa but Risbec's description is not adequate for a unambiguous identification. I am using Elysia tomentosa.
Reference:
• Risbec, J. (1928). Contribution à l'étude des nudibranches Néo-Calédoniens. Faune des Colonies Françaises, 2: 1-328.
Rudman, W.B., 1998 (March 19) Elysia pilosa? Risbec, 1928. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/elyspil