Order : Sacoglossa
Superfamily : Plakobranchoidea
Family : Plakobranchidae
Distribution : Known only from the Indian Ocean; Mauritius, Madagascar, South Africa, Tanzania and now Réunion island
Maximal size : 25 mm
Abundance : From time to time on the fore reef zone and the reef flat zone

The body is a pale bluish white with a series of broad black longitudinal bands, of irregular width and length, on the parapodia
    The rhinophores, or at least the upper two-thirds, are golden yellow to orange

Emmanuel Eby

In this dorsal view, you can see the Y-shaped bluish white band running along the medio-dorsal line, a branch going to each rhinophore.

Reunion, Saint Leu, 02 October 2005, 15-20 mm

Sophie Darnis

Reunion, "Petit Moteur" at Saint-Gilles, 29 December 2007, 5 m, size 12-15 mm

A series of broad black longitudinal bands, of irregular width and length, on the parapodia

The posterior right parapodia seems to be eaten...

Hugues Flodrops

Reunion, "Piscine de Grande Anse, " 25 December 2007 during the night, less 1 m, size 25 mm

Eva Fontaine

Photo opposite :
mtsanga Mbouéanatsa at Mayotte, on the reef flat zone, less 1 m,
2 August 2008, size : 10-12 mm.

Photo below :
mtsanga Guini at Mayotte, on the reef flat zone, less 1 m,
27 July 2008, size : 5-7 mm

A juvénile form with a deep blue coloration....

Eva Fontaine

Mayotte, Chissioua Sada, on the reef flat zone, less 1 m, 16 October 2008, size : 10-12 mm

A specimen with a deep blue coloration

Alain-Benoît rassat

Madagascar, Nosy bé, Licorne, 17 m, 6 April 2015, size : 16 mm

A specimen with an intense blue coloration and a light pinkish coloration on the edge of the parapodia