Big Eye Tuna is scientifically known as Thunnus Obesus. The fishes belong to the family Scombridae and genus Thunnus. You can find these fishes in the open waters of temperate oceans except the Mediterranean Sea.
These fishes can grow up to 98 inches or 8 feet in length. The weight of these fishes is around 400 lb. The eyes of these fishes are big along with a large head.
The behavior of the Big Eye Tuna is unique, these are known as a vertical movement where these fishes descend in the dawn to go to colder waters and swims near the surface during the dusk.