The video shows a large group of fish swimming in the ocean. The fish are of different sizes and colors, with some being blue and others being silver. They are swimming around a large rock formation that is covered in coral and other marine plants. The water is clear and the sunlight is shining through, creating a beautiful underwater scene. The fish are moving in different directions, some swimming close to the rock while others are further out in the water. The video captures the peaceful and serene atmosphere of the underwater world.