On the capture of a pregnant bluntnose sixgill shark Hexanchus griseus ( Chondrichthyes : Hexanchidae ) from the Gulf of Tunis ( Central Mediterranean Sea )

This study presents the capture of a large female Hexanchus griseus in the Gulf of Tunis, northern Tunisia. The total length (TL) of the specimen was 3.5 m and the wet-weight was 220 kg. It was carrying fertilized eggs in both uteri and was at the beginning of the gestation. The distribution of the species off the Tunisian coast and in the Mediterranean Sea is evaluated and discussed.