The video shows a dolphin swimming in the ocean. The dolphin is seen swimming under the water, and then it comes up to the surface of the water. The dolphin's head is visible above the water, and it appears to be looking around. The water is a deep blue color, and the sunlight is reflecting off the surface of the water. The dolphin's skin is a dark gray color, and it has a smooth texture. The video does not show any other animals or objects in the water.