The video shows a large hippopotamus swimming in a body of water. The hippopotamus is surrounded by a variety of fish, which are swimming around it. The water is clear, and the hippopotamus is the main focus of the video. The fish are of different sizes and colors, and they are swimming in different directions around the hippopotamus. The hippopotamus appears to be calm and is not interacting with the fish in any way. The video does not contain any other objects or people.