The video shows a vibrant underwater scene with a variety of fish swimming around a coral reef. The fish are of different sizes and colors, including a yellow and black striped fish that stands out among the others. The coral reef is covered in various types of coral, including some that are white and others that are red. The water is clear, allowing for a good view of the fish and the reef. The fish are swimming calmly, occasionally darting in and out of the coral. The video captures the beauty and diversity of marine life.