The video shows a small fish swimming in a tank with plants and rocks. The fish is brown and is seen swimming around the tank, occasionally hiding behind the plants. The tank is well-lit, and the water is clear, allowing for a good view of the fish and its surroundings. The fish appears to be healthy and active, moving around the tank with ease. The plants in the tank are green and appear to be well-maintained, providing a natural habitat for the fish. The rocks in the tank are of various sizes and colors, adding to the aesthetic of the tank. Overall, the video provides a peaceful and calming view of a fish in its environment.