The video shows a large fish with sharp teeth swimming in the ocean. The fish is surrounded by a school of smaller fish. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The large fish appears to be a predator, as it moves slowly and cautiously through the school of smaller fish. The smaller fish seem to be unaware of the larger fish's presence, and they continue to swim around it. The video captures the natural behavior of these marine animals in their habitat.