The video shows a fish tank with several fish swimming around. The fish are of different sizes and colors, and they are swimming in and out of the plants in the tank. The plants are green and appear to be healthy. The water in the tank is clear, and there is a light source shining from above, illuminating the tank and the fish. The fish are moving around calmly, and there is no visible aggression or stress among them. The tank seems to be well-maintained, and the fish seem to be thriving in their environment.