The video shows a large manta ray swimming in the ocean. The manta ray is dark in color with a white underbelly and has a long tail. It is accompanied by several smaller fish that are swimming around it. The water is a deep blue color, and the sunlight is shining through the surface, creating a beautiful underwater scene. The manta ray is gracefully gliding through the water, with its wings undulating gently. The smaller fish are swimming in close proximity to the manta ray, possibly as a form of protection or companionship. The video captures the serene beauty of the underwater world and the majestic presence of the manta ray.