Tethys Research Institute north-western Mediterranean, within the waters of the Pelagos Sanctuary for Mediterranean Marine Mammals. This ongoing project focuses on the ecology and conservation of the cetacean fauna occurring in the area, which includes the fin whale ("Balaenoptera physalus"), the sperm whale ("Physeter macrocephalus"), the long-finned pilot whale ("Globicephala melas"), the Risso’s dolphin ("Grampus griseus"), the Cuvier's beaked whale ("Ziphius cavirostris"), the striped dolphin ("Stenella coeruleoalba"), the common bottlenose dolphin and, to a lesser extent, the short-beaked common dolphin ("Delphinus delphis"). The study area extends over about 24,000 km encompassing coastal, slope and deep pelagic waters between continental Italy, France and the
Hydrus (legendary creature) Hydrus (legendary creature) The Hydrus (also known as "Enhydros, Enidros, Hildris, Hydra, Idra, Idres, Ydre, Ydris", and "Ydrus") is a creature from Medieval bestiaries. They were said to be found in the Nile River. While in the Nile, a crocodile would roll the hydrus in the mud before eating the smaller creature. However, once inside the crocodile's stomach, the hydrus would burst free from the stomach lining. In medieval Christian tradition, this bursting free from the crocodile became an emblem of the resurrection of Christ bursting free from Hell. There is considerable confusion in applying the name hydrus and its