Platydoris cruenta
(Quoy & Gaimard, 1832)

Suborder: DORIDINA
Family: Dorididae


Tropical West Pacific.


Ilot Rat (=I. de la Table), near Koumac, New Caledonia, 20°33.7'S, 164°11'E, intertidal, mixed substrate, 12 October 1993, 84mm long alive. Photos: Bill Rudman.

Very similar to Platydoris scabra but has brown lines instead of brown specks, and also large red patches. The underside of the mantle is white with brown lines near the foot, and scattered red patches. The sole of the foot can also have brown lines. See P. scabra page for comparison with similarly coloured species. Grows to about 10cm long. I know of no records from the Indian Ocean.

• Quoy, J.R. & Gaimard, J.P. (1832). Voyages de découvertes de l`Astrolabe pendant les annees 1826-1829 sous le commandement de M.J. Dumont d`Urville. Zoologie, 2: 1-686.

Authorship details
Rudman, W.B., 2000 (September 11) Platydoris cruenta (Quoy & Gaimard, 1832). [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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