This video showcases a large aquarium filled with a variety of colorful fish and coral. The fish are seen swimming around the tank, with some hiding behind the coral and others swimming in the open water. The coral comes in different shapes and sizes, with some resembling trees and others resembling rocks. The colors of the fish and coral range from bright yellows and blues to deep purples and greens. The water in the tank is clear, allowing for a good view of the marine life.