The video shows a scuba diver swimming underwater surrounded by a large group of yellow fish. The diver is wearing a black wetsuit and is holding a camera in his hand. The fish are swimming around the diver, creating a beautiful underwater scene. The water is clear and blue, and the coral reef can be seen in the background. The fish are of various sizes and are swimming in different directions. The diver appears to be filming the fish, and the fish seem to be undisturbed by his presence.