This species has been observed on Reunion, Mauritius and Madagascar Islands
Order : Nudibranchia
Suborder : Euctenidiacea
Superfamily : Doridoidea
Family : Chromodorididae
Distribution :
Western Indian Ocean - Natal (South Africa), Madagascar, Reunion Is, Seychelles Is.
Maximal size : 25 mm
Abundance : Frequently on the rocky coast, seldom on the fore reef zone
Species characteristics :
An irregular opaque white band at the mantle edge, then an orange band with a row of reddish spots and then a purplish white band on which there are dark purple spots
Fine opaque white spots are observed on the dorsal surface of mantle (notum). |
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Showing species characteristics... |
Photo Philibert Bidgrain
Réunion, Etang Salé les Bains, less 1 m,17 octobre 2005, size : 20 mm |
See more about : Sightening and mating periods
Remarks :
Identification confirmed by Bill Rudman
Synonymous : (according Worms)
- Chromodoris lekker, Gosliner, 1994
Bibliographic data :
This species closely resembles Goniobranchus decorus, but differs in possessing opaque white spots on the dorsal surface of mantle (notum). G. decorus possesses a typical colour form with white Y-shaped pattern on the notum or purple spots in centre of back.
References :
Bill Rudman Seaslug site : Sea Slug Forum : Chromodoris lekker
Nudipixel Chromodoris lekker
Publications :
Johnson R.F. & Gosliner T.M. (2012) Traditional taxonomic groupings mask evolutionary history: A molecular phylogeny and new classification of the chromodorid nudibranchs. PLoS ONE 7(4): e33479
Gosliner, T.M. (1981) Nudibranchs of Southern Africa. Chromodoris sp 4. , p.77.
Gosliner, T.M. (1994) New species of Chromodoris and Noumea (Nudibranchia: Chromodorididae) from the western Indian Ocean and southern Africa. Proceedings of the Californian Academy of Sciences, 48(12) : 239-252.
Other photos of Goniobranchus lekker :
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Olivier Fournajoux
Madagascar, Baie d'Antongil, 10 m, 5 February 2018, size : 20 mm
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Philibert Bidgrain
Réunion, Etang salé on a rocky coast, 12 February 2006 size 15-20 mm
The foot of this species is entirely white
Rhinophores structure : The stalk of the lamellate rhinophore is translucent and the club is white. |
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Philibert Bidgrain Réunion, Etang salé on a rocky coast, 19 August 2006 size 20-25 mm
The fine opaque white spots observed on the mantle dorsal surface, corresponded to the tip of some little opaque white tubercles |
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size : 4-5 mm, 12 February 2006 |
size : 8-9 mm, 10 December 2005 |
Philibert Bidgrain
Evolution of the colouring pattern during growth
All these specimens were observed at Etang salé les bains on a rocky coast.
size : 10-15 mm for the small one,
29 November 2006 Réunion
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Seb Vasqsuez
Réunion, Etang salé on a rocky coast, less i m, 20 March 2015
During the night
With its pale yellow spawn...
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More photos from Indian Ocean
Reunion, Goniobranchus lekker, at Saint Paul, by Maurice Jay
Reunion, two Goniobranchus lekker, at Saint Paul, by Sully Bachel
Mauritius, Goniobranchus lekker, at Mahebourg, by Yann von Arnim
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