The video shows a large group of yellow fish swimming in the ocean. The fish are moving together in a coordinated manner, creating a mesmerizing visual effect. The water is clear, allowing for a good view of the fish and their movements. The fish appear to be of the same species, with bright yellow bodies and small fins. They are swimming in a circular pattern, with some fish leading the group while others follow behind. The video captures the beauty and complexity of marine life, highlighting the natural behavior and patterns of these fish.