The video shows a close-up of a fish tank with a variety of fish swimming around. The fish are of different sizes and colors, including a red fish with white spots and a yellow fish with black stripes. The tank is decorated with rocks and plants, and the water is clear and clean. The fish are swimming around the tank, occasionally coming close to the camera. The lighting in the tank is bright, highlighting the colors of the fish and the details of the tank decorations.