A multinational oceanographic and acoustic sea experiment was carried out in the summer of 2014 off the western coast of the island of Sardinia. Mediterranean Sea. During this experiment. an underwater glider fitted with two hydrophones was evaluated as a potential tool for marine mammal population density estimation studies. https://www.roneverhart.com/KNIPEX-7-1-4-in-88-01-180-Alligator-Water-Pump-Pliers/