The video shows a large aquarium filled with water and several fish swimming around. The fish are of various 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 and their surroundings. There are rocks and plants at the bottom of the aquarium, providing a natural habitat for the fish. The fish seem to be healthy and active, and they are swimming at a steady pace. The aquarium appears to be well-maintained, with clean water and no visible debris. Overall, the video provides a peaceful and calming view of the fish in their environment.