The video shows a large shark swimming in the ocean, with a group of smaller fish swimming around it. The shark is grey in color and has a streamlined shape. The smaller fish are silver and are swimming in a school. The water is a deep blue color, and the lighting is dim, suggesting that the video was taken in the depths of the ocean. The shark appears to be calmly swimming, and the smaller fish are swimming around it without any signs of fear. The video does not show any other marine life or objects in the water.