The video shows a close-up of a person's finger pointing at a coral reef in an aquarium. The reef is made up of various types of coral, including brain coral and staghorn coral, which are known for their intricate structures and vibrant colors. The coral reef is surrounded by bright green sea anemones, which sway gently in the water. The person's finger moves slowly across the reef, allowing viewers to get a better look at the different types of coral and their unique features. The lighting in the aquarium highlights the colors of the coral and anemones, making them appear even more vibrant and beautiful. Overall, the video provides a detailed and up-close view of the coral reef and its inhabitants, showcasing the beauty and diversity of marine life.