The video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, and they are seen swimming in different directions. The tank is well-lit, and the water is clear, allowing for a good view of the fish. The fish seem to be healthy and active, and there are no visible signs of stress or disease. The tank appears to be well-maintained, with clean water and no debris or algae. Overall, the video provides a peaceful and calming view of the fish in their environment.