In this video, we see a person's hand holding a plastic bag filled with fish food. The person is standing in a pool of water, and there are numerous fish swimming around. The person then opens the bag and pours the fish food into the water, causing the fish to swarm and eat the food. The water is clear, and the fish are of various sizes and colors. The person's hand is visible throughout the video, and we can see the fish food being poured into the water.