Known only from Vietnam
Van Phong Bay, Vietnam, South China Sea. Intertidal. Length: 4 mm. 19th January, 2005. on dead corals. Photographer: A.V.Chernyshev
Recently described from South Vietnam, this species differs from M. setoensis (Baba, 1954) in the color of the body, number of denticulate transverse ridges on the gizzard plates and position of the genital aperture. The species lives among red algae and dead corals in the intertidal zone.
Chernyshev A.V. 2005. Metaruncina nhatrangensis sp. n. (Opisthobranchia, Cephalaspidea), a new runcinid mollusk from the South China Sea . Bulletin of the Far East Malacological Society: 9: 192-196
Chernyshev A.V, 2005 (November 30) Metaruncina nhatrangensis Chernyshev, 2005. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/metanhat