The video shows a group of fish swimming in the ocean. The water is clear and blue, and the fish are of various sizes and colors. Some of the fish are dark blue, while others are lighter in color. The fish are swimming in different directions, some close to the camera and others further away. The sandy ocean floor is visible in the background, with some rocks and coral formations. The fish are moving calmly, and there is no sign of any other marine life or human activity.