The video shows a large fish swimming in the ocean. The fish is dark in color and has a long tail. It is swimming near the surface of the water, which is a light blue color. There are small bubbles visible in the water, indicating that the fish is moving. The fish appears to be alone in the water, with no other fish or objects visible in the frame. The video is shot from a close-up angle, allowing for a detailed view of the fish's movements and features.