The video shows a large fish swimming in the ocean. The fish is grey in color and has a long body with a pointed nose and a tail fin. It is swimming near the surface of the water, which is a bright blue color. There is a net visible in the background, and the fish is swimming near it. The fish appears to be alone, and there are no other fish or objects in the immediate vicinity. The water is clear, and the sunlight is reflecting off the surface, creating a shimmering effect.