The video shows a person feeding fish in a tank. The person is holding a cup and pouring food into the water, which the fish are eagerly eating. The fish are of different sizes and colors, and they are swimming around the tank, trying to get to the food. The person's hand is visible as they hold the cup, and they seem to be enjoying the interaction with the fish. The tank is well-lit, and the water is clear, allowing for a good view of the fish and the person feeding them.