This species has been observed on Mayotte Island
Order : Nudibranchia
Suborder : Doridina
Family : Gymnodorididae
Wide tropical Indo-West Pacific
Maximal size : 100 mm
Species characteristics :
This large gymnodorid is characterised externally by its bright
to red colour with large white and yellowish tubercles dispersed uniformly over the body, yellow rhinophores, yellow border to the foot, and large gills.
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Photo Norbert Verneau Mayotte, Dzaoudzi fringing reef, 1-2 m, 11 Jully 2008, size : 80 mm
See more about : Sightening and mating periods
Identification confirmed by Nathalie Yonow
Bibliographic data :
The eight multipinnate gills are large, twice the animal's width, translucent white to red, with white to yellowish white ridges
The bases of the auriculate oral tentacles has a yellowish white band as the margin of the foot
The rhinophores are white to yellow, short and perfoliate, with 15 steeply set lamellae. They appear to attach to the body more at an angle rather than being strictly perpendicular to the axis of the rhinophore.
This species has been observed feeding upopn tritoniid nudibranchs of genus Marionia.
It inhabits shallow water reef and is active nocturnally
Bill Rudman Seaslug site : Sea Slug Forum : Gymnodoris aurita
Gosliner, T.M. & Behrens, D.W. (1997) Description of four new species of phanerobranch dorids (Mollusca: Nudibranchia) from the Indo-Pacific, with a redescription of Gymnodoris aurita (Gould, 1852). Proceedings of the California Academy of Sciences, 49(9): 287-308
Gould, A.A. (1852) United States Exploring Expedition during the Years 1838-1842. Mollusca & Shells, 12 : 1-510. (with Atlas of Plates, 1856)
Other photos of Gymnodoris aurita :
Norbert Verneau Mayotte, Dzaoudzi reef, 1-2 m, 11 Jully 2008, size : 80 mm
The eight (seven on this specimen) multipinnate gills are large, twice the animal's width
More photos from Indian Ocean
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