The video shows a large fish swimming in the ocean. The fish is dark in color and has a long body. It is swimming near the bottom of the ocean, and there are small fish swimming around it. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The large fish appears to be moving slowly and gracefully, with its fins and tail moving in a coordinated manner. The small fish are darting around the larger fish, creating a dynamic and lively scene. The video captures the beauty and tranquility of the underwater world, with the large fish as the main focus.