The video features a large aquarium filled with water and a variety of fish. The fish are swimming around the tank, which is decorated with green plants and rocks. The water is clear, and the fish are of different sizes and colors. The plants are lush and provide a natural habitat for the fish. The rocks are scattered throughout the tank, adding to the natural look of the environment. The fish are seen swimming in different directions, some near the surface and others near the bottom of the tank. The lighting in the tank highlights the vibrant colors of the fish and the greenery of the plants.