In the video, a person's hand is seen holding a small fish and moving it around in front of a large aquarium filled with various fish. The fish in the aquarium are swimming around, and some of them approach the person's hand to eat the fish being offered. The aquarium is filled with water and has a blue background. The person's hand is visible in the foreground, and the fish being fed are small and dark in color. The fish in the aquarium are of different sizes and colors, and they swim around in the water, some coming closer to the person's hand to eat.