The video shows a close-up view of a coral reef. The reef is covered in various types of coral, including brain coral, staghorn coral, and fan coral. The colors of the coral range from bright yellows and reds to deep purples and blues. The coral formations are diverse in shape, with some resembling branches, others like boulders, and some with intricate patterns. The water surrounding the reef is clear, allowing for a detailed view of the coral. There are no visible fish or other marine life in the video. The video does not contain any text or subtitles.