The video shows a fish tank with several fish swimming around. The fish are of different colors and sizes, and they are swimming among the green plants in the tank. The tank is well-lit, and the water is clear, allowing for a good view of the fish and plants. The fish are moving around calmly, and there are no signs of aggression or stress. The plants are healthy and provide a natural habitat for the fish. Overall, the video captures a peaceful and serene scene of fish in their aquatic environment.