The video shows a group of fish swimming around in an aquarium. The fish are of different sizes and colors, and they are swimming around the rocks and plants in the tank. The aquarium is well-lit, and the water is clear, allowing for a good view of the fish and their surroundings. The fish seem to be healthy and active, and they are swimming in different directions, sometimes coming close to the camera and other times swimming away. The tank 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 habitat.