The video shows a scuba diver in the ocean, swimming near the bottom. The water is clear and blue, and the ocean floor is visible. There are several fish swimming around the diver, and coral reefs can be seen in the background. The diver is wearing a black wetsuit, a yellow oxygen tank, and flippers. The fish are small and appear to be swimming in a school. The coral reefs are colorful and diverse, with different shapes and sizes.