The video shows a large fish swimming in the ocean. The fish is seen swimming near the ocean floor and then swims away from the camera. The water is clear and blue, and the fish is the only visible creature in the video. The fish appears to be a type of tropical fish, with a sleek body and a long tail. The ocean floor is covered in rocks and coral, but there are no other fish or creatures visible in the video. The fish swims gracefully and effortlessly through the water, occasionally turning its body to swim in different directions. The video captures the beauty and tranquility of the underwater world.