The video shows a large fish swimming in a tank. The fish is moving around the tank, and the water is clear. The fish has a long body and a pointed nose. The tank appears to be well-maintained, with no visible algae or debris. The fish is the only living creature in the tank, and it seems to be healthy and active. The lighting in the tank is bright, illuminating the fish and the surrounding water. The fish's movements are smooth and graceful, and it appears to be enjoying its environment. The video does not contain any text or subtitles.