The video shows a group of fish swimming in the ocean. The fish are of different sizes and colors, and they are swimming around the coral reefs. The water is clear, and the sunlight is shining through, creating a beautiful underwater scene. The fish are moving gracefully, and their fins and tails are visible as they swim. The coral reefs are colorful and diverse, with different shapes and sizes. The video captures the beauty and diversity of marine life, and the peacefulness of the underwater world.