The video shows a scuba diver underwater, surrounded by a large school of fish. The fish are swimming in a coordinated manner, creating a mesmerizing visual effect. The water is a deep blue color, and the lighting is dim, adding to the underwater ambiance. The fish are silver in color, with streamlined bodies and long fins. The scuba diver is wearing a black wetsuit and is equipped with a tank and other diving gear. The video captures the beauty and serenity of the underwater world, with the fish moving gracefully through the water.