Dendrodoris nigra (?) from Mayotte

December 3, 2003
From: Marina Poddubetskaia

Dear Bill,

This completely black guy was found under a stone. I'm hesitating between Dendrodoris nigra and Dendrodoris fumata. But, according to its gills which seem to be gathered into a compact circle, I assume it is D. nigra. Could you confirm this ID, please.
Is the brown colour of the foot a distinctive future of this species ?

Date: November 07, 2003
Location : Mayotte Island, Indian Ocean
Site: Passe en S, buoy n° 2
Depth: 10m
Size: 12mm

Cheers,
Marina.

nembro@nembro.info

Poddubetskaia, M., 2003 (Dec 3) Dendrodoris nigra (?) from Mayotte. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11526

Dear Marina,
These dendrodoirds are a bit problematic, specially when I only have photos to go on but I am pretty sure it is D. nigra. The numerous gills arranged in a tight cluster is characteristic as is the position of the gills far to the posterior end of the body. The animal also appears to be quite elongate in shape rather than oval whhich is another character of D. nigra.

Concerning the brown edge to the foot. Many of these dark animals have a paler, less pigmented edge to the foot. As far as I know it is not a species character
Best wishes
Bill Rudman

Rudman, W.B., 2003 (Dec 3). Comment on Dendrodoris nigra (?) from Mayotte by Marina Poddubetskaia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11526

Factsheet

Dendrodoris nigra

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