Marina Poddubetskaia

Locality : "Passe en S", buoy n° 1 bis

Length : 10 mm

Depth : 20 m

Date : 13 November 2003

Remarks :

It 's a photo of Aplysia parvula. In juveniles, the shell is completely external, like in a snail. As they grow, the mantle tissue from inside the shell extends out from under the shell and folds over gradually covering much of the upper surface. In this specimen the shell is partially external (a) ...

Philibert Bidgrain