Blue shark near the Portuguese archipelago of the Azores, North Atlantic Ocean

Blue shark near the Portuguese archipelago of the Azores, North Atlantic Ocean

© Nuno Sa/Minden Pictures - 2020-09-28

fin shark fish marine biology lamniformes cartilaginous fish underwater lamnidae squaliformes carcharhiniformes organism tiger shark requiem shark cretoxyrhina great white shark bull shark electric blue marine mammal tail cetacea deep sea fish