In the video, a person's finger is seen pointing at a coral reef in an aquarium. The coral reef is a vibrant mix of colors, including purple, green, and yellow. The person's finger moves around the reef, pointing at different parts of it. The coral reef appears to be healthy and well-maintained, with no visible signs of damage or disease. The water in the aquarium is clear, and there are no other fish or creatures visible in the video. The person's finger is the only moving object in the video, and it moves slowly and deliberately, allowing viewers to get a good look at the coral reef.