The video shows a large aquarium with several fish swimming around. The fish are of different sizes and colors, and they are swimming in and out of the branches of a large piece of driftwood that is placed in the center of the tank. The aquarium is decorated with rocks and plants, and there is a light source above the tank that illuminates the water and the fish. The fish are moving around calmly, and there is no visible aggression or stress among them. The tank appears to be well-maintained, and the water is clear.