This species has been observed on Reunion Island
Order : Nudibranchia
Suborder : Dexiarchia
Superfamily : Fionoidea
Family : Fionidae
Maximal size : 12mm
Species characteristics :
The cerata has a terminal opaque whitish tip and just below an
band. The bright ultramarine blue then the pale green colouration below the
The basal half of the oral tentacles is orange, the distal half -white
The rhinophores have a white cream coloration
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Photo Sully Bachel
Reunion, La Possession, Ravine à jacques, 6 m, 15 December 2009, size : 10-12 mm
This species looks like Cuthona Kanga but our specimen present some variation, so I prefered to use the term of Cuthona cf. kanga for the moment
For some author this species belong to genus Trinchesia, and called it Trinchesia cf. kanga
H. Debelius called a specimen Cuthona kanga in his book " Nudibranch and sea snails " but it was in fact Cuthona sp. See the update for "change name" in : Australia Nudibranch News, N°3 November 1998.
Synonymous : (according Worms)
- Trinchesia kanga Edmunds, 1970
Bibliographic data :
This aeolid looks like :
- Cuthona sp. 1, but in Cuthona sp1, the rhinophores are white with a bright red medial band, and cerata with blue apex have a spot of bright red on the cream area
- Cuthona sp. 2 , but in Cuthona sp2 , the rhinophores and oral tentacles have an orange apical half and the cerata have a pale purple apex
Edmunds, M. (1970) Opisthobranchiate Mollusca from Tanzania. II. Eolidacea (Cuthonidae, Piseinotecidae and Facelinidae). Proceedings of the Malacological Society of London, 39: 15-57.
Cuthona Kanga in : Gosliner,T.M.; Behrens,D.W.; Valdés,A (2008) Indo-pacific nudibranchs and seaslugs A field guide to the World's most diverse fauna
Other photos of Cuthona cf. kanga :
Reunion, Cap la Houssaye, 10 m, 25 June 2013, size : 5 mm
Reunion, La Possession, ravine a jacques, 6 m, 15 December 2009, size : 10-12 mm
Each cerata has opaque whitish glands in the cnidosac region, and blotches of white in the cnidosac region (a) and also lower down. The epidermis is yellowish-orange (b) just below the cnidosac, but colourless elsewhere. The liver is pale green (d) in the basal half of the ceras, then bright ultramarine blue (c)
The basal half of the oral tentacles is orange (e), the distal half white
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