The video shows a large fish tank with various types of fish swimming around. The tank is filled with green plants and rocks, creating a natural habitat for the fish. The fish are of different sizes and colors, and they swim around the tank in a calm and peaceful manner. The water in the tank is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the plants. The tank appears to be well-maintained and clean, with no visible debris or algae. The fish seem to be healthy and active, and they move around the tank with ease. Overall, the video provides a soothing and relaxing view of a beautiful aquarium.