The video shows a fish tank with a variety of fish swimming around. The fish are of different sizes and colors, including a white fish and a gray fish. The tank is decorated with rocks and plants, creating a natural habitat for the fish. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the greenery in the tank. The fish are seen swimming in different directions, some near the surface while others explore the bottom of the tank. The video captures the peaceful and serene environment of the fish tank.