The video shows a group of fish swimming in the ocean. The fish are of different sizes and colors, with some being gray and others having yellow and orange stripes. They are swimming around a coral reef, which is covered in various types of coral and sea plants. The water is clear and blue, 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 reef is vibrant and colorful, with different shapes and sizes of coral and sea plants. The video captures the peaceful and serene atmosphere of the underwater world.