The video shows a large fish tank with several fish swimming around. The fish are of different sizes and colors, including yellow, black, and white. The tank is decorated with green plants and blue background, creating a vibrant underwater scene. The fish are seen swimming around the tank, some near the surface while others are closer to the bottom. The water is clear, and bubbles can be seen rising to the surface. The lighting in the tank highlights the colors of the fish and the plants, making the scene look lively and dynamic.