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This species has been observed on Reunion Island

Order : Nudibranchia Suborder : Dexiarchia Superfamily : Aeolidioidea Family : Aeolidiidae Distribution : Probably Indo West Pacifique Maximal size : 30 mm Abundance : Seldom if ever on the sand substrate Species characteristics : It is characterised by the two longitudinal brown lines on the cerata Rhinophores, simples, forming a "V," grayish to yellow, sometimes with the top darker
	Showing species characteristics...	Photo Sully Bachel Reunion, La Possession, 8 m, 14 December 2009, size : 30 mm

See more about : Sightening and mating periods

Remarks :

Identification confirmed by Bill Rudman
    Synonymous (according worms) :
          - No other name

Bibliographic data :

In some specimen the oral tentacle are tipped with yellow
    In juveniles only the largest cerata have the brown lines, the smaller cerata being a uniform translucent brown colour.
    Animals up to 10mm are not uncommon in grab samples from sandy bays, but it is seldom seen alive.
    The egg is deposited directly on the sandy bottom. It is pale yellow, the ribbon is very thin, two to three eggs on the width

References :

Bill Rudman Seaslug site : Sea Slug Forum : Cerberilla incola
   Nudipixel Cerberilla incola

Publications :

Burn, R.F. (1974). Notes on some benthonic opisthobranchs from Port Philip Bay, Victoria. Journ. Malac. Soc. Australasia, 3(1) : 43-57

Other photos of Cerberilla incola :

Sully Bachel Reunion, La Possession, 8 m, 14 December 2009, size : 30 mm It is characterised by the two longitudinal brown lines (a) on the cerata