The video features a large fish swimming in a clear blue water tank. The fish has a long, slender body with a pointed nose and a large mouth. Its scales are a light brown color, and it has a long, thin tail. The fish is the only living creature in the tank, and it moves slowly and gracefully through the water. The tank is well-lit, and the water is clean and clear, allowing for a good view of the fish. There are no other objects or decorations in the tank, and the background is a plain white wall.