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

Order : Nudibranchia Suborder : Euctenidiacea Superfamily : Doridoidea Family : Chromodorididae Distribution : South Ouest of Indian Ocean Maximal size : 20 mm Abundance : Seldom on the fore reef zone and the rocky coast. Species characteristics :     The thick mantle margin is either pale creamly yellow or white, and the notum purplish translucent with few irregular opaque white patches    The gills are translucent white with in some specimen a tinge of orange on the rachis    The rhinophores are translucent white with an terminal orange or green-brown core    The foot is translucent white with white patches.
	Showing species characteristics...	Photo Sully Bachel Reunion, Cap la Houssaye, Saint Paul, 14m, 25 April 2009, size : 8-10 mm

See more about : Sightening and mating periods

Remarks :

Identification confirmed by Bill Rudman and Nathalie Yonow
    According Narthalie Yonow " Verconia has these ‘body curves' but Thorunna sometimes also can have the same body shape …"
    Looks like Ceratosoma sp. 1 in "Nudibranch and Sea Slugs identification, Gosliner, Valdès and Behrens, 2015)

Bibliographic data :

The gills are simple.
   This species have similarities with Ardeodoris undaurum and Glossodoris sp 1 but :

Glossodoris sp 1	Ardeodoris undaurum	Verconia (or Ceratosoma) sp 2
The numerous white spots on the translucent white mantle are crowded and irregular, often elongate, in shape	The mantle is translucent white with many large opaque white blotches all over, except around the edge which has a broad band of opaque white	The mantle is purplish translucent with few irregular opaque white patches
There is a thin yellowish to whitish marginal band.	There is a thin yellow band right at the edge	The thick mantle margin is either pale creamly yellow or white
The tip of the gills is edged in a dark brown	The gills are translucent white with red lining the inner and outer edge of each gill.	The gills are translucent white with a tinge of orange on the rachis
The upper half of the rhinophore clubs is green- brownish, the basal half fading to translucent white	The rhinophore stalk is transparent and the club is opaque white with a yellow dash along the upper part of the anterior and posterior midline of the club	The rhinophores are translucent white with an terminal orange or green-brown core
The foot is like the mantle, scattered with numerous white spots.	The foot of the animal is white, somewhat more opaque around the edge of the foot.	The foot is translucent white with white patches.

References :

Bill Rudman Seaslug site : Sea Slug Forum : Noumea sp2

Other photos of Verconia sp 2 :

Sully Bachel During one month, Sully Bachel observed on the same place a population of three specimens...
Reunion, Cap la Houssaye, Saint Paul, 14m, 3 May 2009, size : 8-10 mm	Reunion, Cap la Houssaye, Saint Paul, 14m, 31 May 2009, size : 12 mm for the larger

Sully Bachel Reunion, Cap la Houssaye, Saint Paul, 14m, 25 April 2009, size : 8-10 mm The second specimen of the group of three found on the same area...   The three specimen have rhinophores with orange coloration

Sully Bachel Reunion, Cap la Houssaye, Saint Paul, 14m, 6 May 2009, size : 12 mm The larger specimen of the group of three... In this specimen the rhinophores are translucent white with an terminal green-brown core The coloration of the rhinophore seems to change from orange to green-brown.... growth, food influence, flash artefact ...

Monika Bachel   Flic en Flac, Mauritius, 15-16 m, 10 May 2009, size : 12 mm

Sophie Darnis   Reunion, "Pain se Sucre" Saint Gilles, 15 m, 11 November 2007

Yvon Gildas Mayotte, Passe en S, Buoy n°4 "Merou palace", 28 m, 31 December 2009, size : 7-8 mm The rhinophores are translucent white with an terminal orange core In this specimen, the opaque white patches on the notum are coalescent.

 Reunion, a small Verconia sp 2, at Saint Gilles, by Hugues Flodrops

Reunion, Verconia sp 2 with intense purplish coloration, at Saint Paul, by Sophie Darnis

Reunion, Verconia sp 2 with pale orange coloration on the rhinophores, at Saint Leu, by Sophie Darnis

Madagascar, Verconia sp2, at Nosy Bé, by Alain-Benoît Rassat