The video shows a large fish swimming in a tank. A person is seen pointing at the fish with their finger. The fish is moving around in the water, and the person seems to be observing it. The tank is filled with water and there are no other visible objects or creatures in the video. The person's finger is visible as they point at the fish, and the fish appears to be a large, dark-colored species. The video is shot from the outside of the tank, and the person's hand is the only part of them that is visible.