Trapania toddi     Rudman, 1987  

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This species has been observed on Reunion Island

Order : Nudibranchia
Suborder : Euctenidiacea
Superfamily : Onchidoridoidea
Family : Goniodorididae
Distribution : Indo West Pacific
Maximal size : 10 mm
Abundance : Seldom if ever on the rocky coast

Species characteristics :

The body is translucent white with reticulate brown patches arranged in a regular pattern in which are small white spots

There are often yellow markings on the oral tentacles, lateral processes, rhinophores, gills and posterior tip of the foot. Not observed in this specimen...

The large lamellate rhinophores are translucent with a yellow band (not in our specimen) below the apex

The three small and simple gills are white with a yellow band (not in our specimen) below the apex

trapania toddi
Showing species characteristics...
Photo Sébastien Vasquez
Reunion, Etang salé on the rocky coast, less 1 m, 5 January 2015

See more about : Sightening and mating periods

Remarks :

Identification confirmed by Nathalie Yonow
    Synonymous : (according Worms)
          - No other name

Bibliographic data :

A yellow coloration are often observed but absent in some specimen or reduced to pale cream coloration... If present this yellow coloration is present as is described below :
          - The oral tentacles and lateral processes are white with a yellow band just below the tip.
          - The rhinophore stalk is translucent and the bottom half of the club is brown with white specks. The top half of the club is yellow and there is a translucent white tip
          - The translucent gills have a yellowish tip with a band of brown just below
          - The posterior tip of the foot is also yellow.
    Two pair of dorso-lateral finger like processes are present; one pair beside the rhinophores (extra-rhinophoral papillae) and the other beside the gills (extra-branchial papillae)
    The large lamellate rhinophore are not retractile
    Etymology : Rudman (1987) chose the specific name in honor of Dr. C.D. Todd of the Gatty Marine Lab, The University of St. Andrews, Scotland.

References :

Bill Rudman Seaslug site : Sea Slug Forum : Trapania toddi
   Nudipixel Trapania toddi
   Okinawa Seaslug Trapania toddi

Publications :

Rudman,W.B.(1987). The genus Trapania (Nudibranchia: Goniodorididae) in the Indo-West Pacific. Journal of Molluscan Studies, 53 : 189-212.
    Rudman, W.B. & Darvell, B.W. (1990). Opisthobranch molluscs of Hong Kong: part 1. Goniodorididae, Onchidorididae, Triophidae, Gymnodorididae, Chromodorididae (Nudibranchia). Asian Marine Biology, 7 : 31-79

Other photos of Trapania toddi :

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