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This species has been observed on Reunion, Mauritius and Madagascar Islands

Order : Nudibranchia Suborder : Euctenidiacea Superfamily : Doridoidea Family : Dorididae Distribution : Reunion and Mauritius Island Maximal size : 40 mm Abundance : Seldom on the fore reef zone Species characteristics : The yellow mantle is covered by sparsely large pale yellow tubercles and more densely little black tubercles. The lamellate rhinophores and important branched gills are grey. The underside is yellow.
	Showing species characteristics...	Photo Sebastien Pomarede Reunion, "Les deux arches " Saint Leu, 6 m, size : 40 mm.

See more about : Sightening and mating periods

Remarks :

Identification confirmed by Bill Rudman and Nathalie Yonow
    This species looks like Doris ananas but there are some differences : Terry Gosliner in Indo-Pacific nudibranchs and seaslugs (2008) considered that they are two differents species as Nathalie Yonow.

	Doris sp1	Doris ananas
Distribution	Reunion, Mauritius and Madagascar slands	South Africa, Madagascar, Mayotte, Mozambique, Tanzania, Indonesia, Queensland and Marchall Islands
Dorsum	The yellow mantle is covered by sparsely large pale yellow tubercles and more densely little black tubercles.	The yellow mantle is covered by sparsely large black tubercles.

Specimens description :

The specimens without black tip on the larges tubercles are only described from Mauritius and Reunion
    The underside of the mantle and the foot are yellow with some little marginal black spots
    The rhinophores stalks are translucide pale yellow. The lamellate clubs are yellow with increased dark grey to black coloration on the upper half.
    The base on gill's axes are yellow like the mantle. The ramifications of the gills are dark grey on the axis and more pale grey on the edge.
    It's found on tropical shallow water reef, where it feeds on sponges

References :

Bill Rudman Seaslug site : Sea Slug Forum : Doris sp 1
   Nudipixel Doris sp

Other photos of Doris sp1 :

Olivier Fournajoux  Madagascar, Baie d'Atongil, 7m, August 2019, size : 30  mm

Sebastien Pomarede        Rhinophore and gill details from the upper specimen. The rhinophores stalks are translucide pale yellow (a). The lamellate clubs are yellow (b) with increased dark grey to black (c) coloration on the upper half.           The bases on gill's axes are yellow like the mantle. The ramifications of the gills are dark grey on the axis and more pale grey on the edge.

Emmanuel Eby Reunion, Saint Leu, 24 November 2004, size 45 mm	The underside of the mantle and the foot are yellow with some little marginal black spots

Sully Bachel Flic en Flac, spot "canon", Maurice,12 m, December 2008, size : 25 mm A pale yellowish coloration for this specimen

Reunion, Doris sp 1, at Grand fond lagoon, by Maurice Jay

Mauritius, Doris sp 1, by Mathieu Bayon

Reunion, from view of Doris sp1, at Saint Gilles, by Hugues Flodrops

Réunion, Doris sp1 crawling on a coral, by Alain Diringer 

Reunion, Doris sp1, at Etang salé, by Raphaël Roland Gosselin  

Reunion, Doris sp1, at Saint Paul, by Fabrice Mallet