The video shows a scuba diver swimming near a coral reef. The reef is covered with various types of coral, including brain coral and staghorn coral. The water is clear, and the sunlight is shining through, illuminating the reef and the diver. The diver is wearing a black wetsuit, a scuba mask, and a breathing apparatus. The coral reef appears to be healthy and thriving, with vibrant colors and diverse shapes. The diver is moving slowly, observing the reef and its inhabitants.