Gymnodoris rubropapulosa
(Bergh, 1905)

Suborder: DORIDINA
Family: Gymnodorididae


Indo-West Pacific


UPPER RIGHT: Channel between Récif de l'Infernet & Barrier Reef, off Koumac, New Caledonia, 20°38.6'S, 164°13.2'E, 12m, in lagoon, grey sand, coral slabs, 11 October 1993, 60mm long alive, AM C200433. LOWER LEFT: 6km N of Kunduchi Beach, Dar es Salaam, Tanzania, in grass beds. 6 February 1974. LOWER RIGHT: Lagoon between mainland and Récif de l'Infernet, off Koumac, New Caledonia, 20°35.6'S, 164°15.2'E, 10m, sand and grey mud, 28 October 1993, [Lower animal 43mm long alive, AM C200687. Upper animal AM C200594]. PHOTOS: Bill Rudman.

Previously known from Indonesia and Singapore and recently reported from Hong Kong and Tanzania (Rudman & Darvell, 1990), this species has a wide Indo-West Pacific distribution. It has similarities in colour pattern to G. ceylonica but the orange spots are much larger and more densely arranged, the body is more elongate and the gills relatively small. There are also major anatomical differences.

• Bergh, L.S.R. (1905). Die Opisthobranchiata. Siboga Expeditie Report, 50: 248pp., Pls 1-20.

Authorship details
Rudman, W.B., 2000 (December 29) Gymnodoris rubropapulosa (Bergh, 1905). [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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