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This species has been observed on Reunion Island

Order : Sacoglossa Superfamily : Plakobranchoidea Family : Plakobranchidae Distribution : Indo-Pacifique ocean Maximal size : 7 mm Abundance : Species characteristics : Mottled green, purple-pink and white Animals are very distinctive having two to four pairs of very long branched processes extending upward from the edge of the parapodia Entire body, including the rhinophores, covered with small papillae The rhinophores are very long and thin, becoming almost pointed at the tip
	Showing species characteristics...	Photo Jean-Pascal Quod Reunion, May, 2018

Remarks :

Synonymous : (according Worms)
          - Elusiobrnachus mercieri Pruvot-Fol, 1930

Bibliographic data :

The parapodia are sometimes held together and sometimes held open only between the pairs of projections

References :

Bill Rudman Seaslug site : Sea Slug Forum : Elysia mercieri
   Medslug Elysia mercieri

Publications

Carlson, C.H.; Hoff, P.J. 1978. The Identifiable Elysia From Guam (Elysiidae, Sacoglossa, Opisthobranchia). Micronesica 14 (1): 89-114
    Pruvot-Fol, A. (1930). Diagnose provisoires (incomplètes) des espèces nouvelles et liste provisoire des mollusques nudibranches recueillis par Mme. A. Pruvot-Fol en nouvelle Calédonie (Ile des Pins). Bulletin Muséum National d'Histoire Naturelle Paris, series 2, 2(2) : 229-232

Other photos of Elysia mercieri :

Jean-Pascal Quod Reunion, May, 2018 Animals are very distinctive having two to four pairs of very long branched processes (a) extending upward from the edge of the parapodia

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