The video shows a fish tank with various types of 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 the lighting is bright, making the colors of the fish and plants stand out. 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 are well taken care of.