The video shows a large fish swimming in a body of water. The fish is moving slowly and gracefully, with its fins and tail visible as it glides through the water. The water is clear, and the fish is the only visible creature in the frame. The fish appears to be quite large, and its scales reflect the light, giving it a shimmering appearance. The video is shot from a close-up angle, allowing for a detailed view of the fish's movements and features.