The video shows a fish tank with a variety of fish swimming around. The tank is filled with rocks and plants, creating a natural habitat for the fish. The fish are of different sizes and colors, and they swim around the tank in a relaxed manner. The water is clear, and the lighting in the tank highlights the vibrant colors of the fish and the plants. The tank appears to be well-maintained, with clean water and healthy-looking fish. Overall, the video provides a peaceful and calming view of the fish tank and its inhabitants.