The video shows a beautiful underwater scene of a coral reef. The reef is teeming with life, with various types of coral and fish visible. The coral comes in different shapes and sizes, with some resembling brain coral and others resembling staghorn coral. The fish are swimming around the reef, with some hiding in the crevices and others swimming in the open water. The colors of the fish range from bright yellows to deep blues, creating a stunning contrast against the coral. The water is clear, allowing for a good view of the reef and its inhabitants. Overall, the video provides a glimpse into the vibrant and diverse ecosystem of a coral reef.