The video shows a person standing in front of a fish tank, throwing food into the water. The fish in the tank are swimming around, eagerly trying to catch the food. The person continues to throw food into the tank, and the fish continue to swim around and eat. The fish tank is filled with clear water, and the fish are of various sizes and colors. The person's hand is visible as they throw the food into the tank, and the fish can be seen moving quickly to catch the food.