In the video, a person is seen feeding fish in a tank. The fish are swimming around and eating the food that the person is throwing in. The tank is filled with water and has a green tiled floor. The fish are of different sizes and colors, and they are all swimming around actively. The person is standing outside the tank, and their hand is visible as they throw the food in. The fish are eagerly eating the food, and some of them are even jumping out of the water to catch it. The video captures the lively and dynamic scene of the fish feeding.