Order : Nudibranchia
Suborder : Euctenidiacea
Superfamily : Polyceroidea
Family : Gymnodorididae
Distribution : From Western Indian Ocean to Hawai.
Maximal size : 40 mm
Abundance : From time to time, everywhere...

Species characteristics :

It is distinguishable by its white body color with orange spots or lines and white tubercles.

It has a complete circle of gills.

Philibert Bidgrain

Mayotte, Mtsanga M'Titi Sada, less 1 m, 20 July 2010, size : 15-20 mm

5 similar spawning events observed since one week, and about 10 spawns alone...

The shape of the spawn is different than Gymnodoris citrina spawn

Philibert Bidgrain

Reunion, La Saline lagoon, less 1 m, 5 April 2010, size : 20-25 mm

The branchial plumes are rather small, tripinnate, 9 in number, non-retractile, and arranged in a circle round the anal papilla. It has a complete circle of gills.

Olivier Aubrespine

Reunion, Sainrt Pierre lagoon, less 1 m , 7 February 2008, size : 10 mm.

Philibert Bidgrain

Reunion, Etang salé, on the rocky coast, less 1 m, 14 August 2007, size : 10-12 mm.

A specimen partially heaten by a predator ????

Sully Bachel

Reunion, Cap la Houssaye, Saint Paul, 11 m, 29 March 2009, size : 10 mm

The black digestive gland becomes clearly visible at the center after the animal has fed.

A strange specimen with only orange-red spots (without lines)

Philibert Bidgrain

Mayotte, Mtsanga M'Titi Sada, less 1 m, 16 July 2010, size : 25-30 mm

Some fine white lines (a) are visible though the transparent body wall...

The branchial plumes are rather small, tripinnate, 9 in number (b), non-retractile, and arranged in a circle round the anal papilla. It has a complete circle of gills.