The video shows a close-up of an aquarium with several fish swimming around. The fish are of different colors and sizes, and they are swimming in and out of the green plants that are growing in the aquarium. The plants are lush and vibrant, with different shades of green. The water in the aquarium is clear, and the lighting is bright, making the colors of the fish and plants stand out. The fish seem to be healthy and active, and they are moving around the tank in a relaxed manner.