The video shows a large fish tank with several fish swimming around. The tank is decorated with rocks, plants, and a green net. The water is clear and the fish are of different sizes and colors. The fish are swimming around the tank, some near the surface and others near the bottom. The green net is hanging from the top of the tank and is swaying slightly. The plants are green and appear to be healthy. The rocks are of various sizes and colors, some are gray and others are brown. The fish are swimming calmly, and there is no visible aggression or stress among them.