The video shows a large group of fish swimming in the ocean. The fish are moving in a coordinated manner, creating a mesmerizing pattern. The water is clear, allowing for a detailed view of the fish and their movements. The fish are of various sizes and colors, but all share the same streamlined shape, which is typical for oceanic fish. The sunlight filters through the water, casting a beautiful glow on the fish and the surrounding environment. The video captures the natural beauty and complexity of marine life.