The video shows a scuba diver swimming underwater near a large coral reef. The reef is teeming with life, including a school of yellow fish that are swimming around the diver. The water is clear, and the light from above is shining through, illuminating the scene. The diver is wearing a black wetsuit and is holding a camera, presumably to capture the beauty of the underwater world. The coral reef appears to be healthy and thriving, with various types of coral visible. The fish are darting in and out of the coral, creating a dynamic and lively scene. Overall, the video provides a glimpse into the beauty and diversity of marine life.