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 blue, and the sunlight is shining through, creating a beautiful underwater scene. The fish are moving gracefully, and their fins are gently waving in the water. The coral reefs are vibrant and colorful, with various types of coral and marine plants visible. The video captures the serene beauty of the underwater world, with the fish and coral reefs coexisting in harmony.