The video shows a fish tank with a variety of fish swimming around. The fish are of different sizes and colors, including blue and pink. The tank is decorated with rocks and plants, creating a natural environment for the fish. The water is clear, and the fish are seen swimming in different directions, sometimes coming close to the camera and other times swimming away. The tank appears to be well-maintained, with no visible algae or debris. The fish seem healthy and active, and the overall atmosphere of the video is peaceful and calming.