The video shows a fish tank with a variety of fish swimming around. The tank is filled with water and has plants and rocks inside. The fish are of different sizes and colors, and they are swimming around the tank. The tank is well-lit, and the water is clear. The fish are moving around the plants and rocks, and some are swimming near the surface while others are near the bottom of the tank. The plants are green and appear to be healthy, and the rocks are of various sizes and colors. The fish are swimming in different directions, and some are interacting with each other.