The video shows a scuba diver swimming underwater with a manta ray. The manta ray is large and has a distinctive shape with a wide body and long tail. It is swimming gracefully in the water, with its wings undulating. The diver is wearing scuba gear, including a tank, mask, and fins. The water is clear, and the visibility is good, allowing for a clear view of the manta ray and the diver. The lighting is natural, suggesting that the video was taken during the day. There are no other visible creatures or objects in the water.