The video shows a person's hand reaching into a fish tank and touching the fish. The fish are of different colors and sizes, and they swim around the tank. The person's hand is visible in the frame, and the fish seem to be attracted to it. The tank is filled with water, and there are rocks and plants visible in the background. The fish are of various species, including some that are brightly colored and others that are more subdued in color. The person's hand is gentle and careful as it touches the fish, and the fish do not seem to be harmed or frightened by the interaction.