Marianina rosea
(Pruvot-Fol, 1930)

Family: Marianinidae


Tropical Indo-West Pacific.


Îlot Maître, Nouméa, New Caledonia. 24 October 1988, inside reef crest, 11mm long. PHOTO: Bill Rudman.

This small dendronotoidean is often found under dead coral slabs on reef flats. It feeds on hydroids. Its colour, and row of bifid cerata down each side of the mantle are characteristic of the species. It is sometimes referred to under the later name Aranucus bifidus Odhner, 1936.

• Pruvot-Fol, A. (1930). Diagnose provisoires (incomplètes) des espèces nouvelles et liste provisoire des mollusques nudibranches recueillis par Mme. A. Pruvot-Fol en nouvelle Calédonie (Ile des Pins). Bulletin Muséum National d'Histoire Naturelle Paris, series 2, 2(2): 229-232.

Authorship details
Rudman, W.B., 2000 (June 24) Marianina rosea (Pruvot-Fol, 1930). [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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