The video shows a large manta ray swimming in the ocean, accompanied by a school of small yellow fish. The ray's wings are spread wide as it moves through the water, and its long tail trails behind it. The water is a deep blue color, and the sunlight filters through, creating a beautiful underwater scene. The manta ray is the main focus of the video, and its size and graceful movements are impressive. The small fish swim around the ray, creating a dynamic and lively atmosphere.