The video shows a large aquarium with several fish swimming around inside. The fish are of different sizes and colors, and they are swimming in different directions. The aquarium 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 disease or injury. The aquarium appears to be well-maintained, with clean water and no visible debris. The fish are the main focus of the video, and there are no other objects or people visible in the frame.