The video shows a close-up of a fish tank with several fish swimming around. The fish are of different sizes and colors, including blue and black. The tank is filled with water and has green plants and rocks inside. The fish are seen swimming around the tank, and a person's hand is seen touching the glass of the tank. The person's finger is visible, and they are touching the glass of the tank. The fish continue to swim around the tank, and the person's hand is seen again. The video is shot from a close-up angle, and the fish are the main focus of the video.