The video shows a person feeding fish in a large aquarium. The person is holding a tray of food and dropping it into the water, where the fish are swimming around to eat. The aquarium is filled with various types of fish, including some large ones that are swimming around the tray of food. The water is clear, and the fish are of different colors and sizes. The person feeding the fish is wearing a plaid shirt and is standing in front of the aquarium. The fish are actively swimming around and eating the food that is being dropped into the water.