This species has been observed on Reunion and Madagascar Islands
Order : Nudibranchia
Suborder : Euctenidiacea
Superfamily : Polyceroidea
Maximal size : 20 mm
Abundance : Seldom if ever on the fore reef zone
Species characteristics :
These small nudibranchs are very distinctly patterned translucent cream to grey with black/dark brown, orange and opaque white markings.
Orange and opaque white markings are localised on the partial rhinophore sheaths, tips of the rhinophores, gills processes and
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Madagascar, Anemone 2, Nosy Be, 14 m, September 2012, size : 40 mm
See more about : Sightening and mating periods
Identification confirmed by Nathalie Yonow
Synonymous (according worms) :
- No other name
Bibliographic data :
The body pattern seems to be very variable :
- The presence and importance of opaque white and orange markings are very variable on the partial rhinophore sheaths, tips of the rhinophores, gills processes and
- The black/dark brown coloration of the body is variable
in form (dots and/or lines) and amount.
The body is elongate, tapering to the tail
Found on arborescent bryozoans in areas with strong currents
Bill Rudman Seaslug site : Sea Slug Forum : Thecacera picta
Nudipixel Thecacera picta
Baba, K. (1972). Thecacera picta spec. nov. from Suruga Bay, Japan (Nudibranchia: Doridoidea: Polyceridae). The Veliger, 15(2) : 88-90
Other photos of Thecacera picta :
Réunion, Saint Gilles, 22 m, December 2014,
More photos from Indian Ocean
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