The video shows a close-up view of a fish tank with a variety of fish swimming around. The tank is filled with clear water and has a green plant hanging from the top. The fish are of different sizes and colors, and they are swimming around the tank, occasionally coming close to the camera. The plant appears to be healthy and is swaying slightly with the water movement. The fish are moving in different directions, some are swimming near the bottom of the tank while others are closer to the surface. The lighting in the tank is bright, making the colors of the fish and the green of the plant stand out.