The video shows a large aquarium filled with water and a variety of fish. The fish are swimming around in the water, creating a lively and dynamic scene. The aquarium is decorated with a large rock and some plants, adding to the natural feel of the environment. The fish are of different sizes and colors, and they move around the tank in different directions. The water is clear, and the lighting is bright, highlighting the vibrant colors of the fish and the decorations in the tank.