The video shows a person's hand reaching into a large fish tank. The tank is filled with water and has several fish swimming around. The person's hand is seen touching the glass of the tank, and the fish swim up to the glass to touch it back. The fish are of different sizes and colors, and they seem to be attracted to the person's hand. The person's hand is visible in the foreground, while the fish are in the background. The lighting in the video is bright, and the water in the tank is clear.