The video shows a close-up view of a fish tank 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 fill the tank. The plants have long, thin leaves that sway gently with the movement of the water. The fish appear to be healthy and active, and they move smoothly through the water. The lighting in the tank highlights the vibrant colors of the fish and the greenery of the plants.