Atagema rugosa
Atagema rugosa | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Order: | Nudibranchia |
Family: | Discodorididae |
Genus: | Atagema |
Species: | A. rugosa |
Binomial name | |
Atagema rugosa Pruvot-Fol, 1951[1] |
Atagema rugosa, the rugby-ball dorid, is a species of dorid nudibranch, a marine gastropod mollusc in the family Discodorididae.
Distribution
This species was described from Cap l'Abeille, near Banyuls-sur-Mer, France. It has been reported from the bay of Gallipoli, Italy,[2] in the Mediterranean Sea and around the southern African coast on the Atlantic side of the Cape Peninsula in 10–15 m of water.[3] It is probable that the species known by this name in South Africa is actually a distinct species.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Atagema_rugosa_Pruvot-Fol%2C_1951.jpg/220px-Atagema_rugosa_Pruvot-Fol%2C_1951.jpg)
Description
Atagema rugosa is described as a beige animal, darker in the lower parts of the mantle. Its tubercles are arranged in crests forming a network. It has five gills, with the three posterior held almost horizontal and the two anterior very small.[1] The South African rugby-ball dorid is a small white nudibranch with black spots, a warty skin and a distinct longitudinal ridge down the middle of its back. It has eight gills arranged around the anus and its rhinophores are perfoliate. It can reach a total length of 30 mm.[4]
Ecology
The rugby-ball dorid feeds on sponges.
References
- ^ a b Pruvot-Fol A. (1951). Etudes des nudibranches de la Méditerranée 2. Archives de Zoologie Expérimentale et Générale 88: 1-80
- ^ Perrone, A. S. 1983. Descrizione de un raro nudibranco mediterraneo: Atagema rugosa (Pruvot-Fol, 1951). Bollettino Malacologico (Pubblicazione Mensile Edita dalla Societa Italiana di Malacologia) 19(1-4):49-56.
- ^ Gosliner, T.M. 1987. Nudibranchs of Southern Africa ISBN 0-930118-13-8
- ^ Zsilavecz, G. 2007. Nudibranchs of the Cape Peninsula and False Bay. ISBN 0-620-38054-3
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