The "Tethis" was a reserch ship belonging to the Italian Research National Centre (CNR). It was 35 meters long, 7 meters wide and 10 meters tall. On the 3rd of August 2007, with 13 people on board, was performing water sampling when was hit by the "Eleni", a 300-meters-long cargo showing Panama flag. The vessel sank almost immediatly and one russian resercher was trapped inside and his body was recovered after two days. On that mday, an unaspected heavy fog was in the area. Maximum depth is 48 meters.

The below video was produced by Oscar Lucini with Megalodon ECCR reb.