The video shows a large manta ray swimming in the ocean. The ray is black in color and has a long tail. The water is clear and sunlight is shining through, creating a beautiful underwater scene. The ray is swimming gracefully, with its wings undulating in the water. There are also small fish swimming around the ray, adding to the overall beauty of the scene. The ray appears to be in its natural habitat, and there are no signs of human interference or pollution. The video captures the serene and majestic nature of the underwater world.