The video shows a large sea turtle swimming in the ocean. The turtle is moving slowly through the water, its shell and flippers visible above the surface. The water is clear, and the turtle's movements are gentle and unhurried. The turtle appears to be alone in the water, with no other sea creatures or objects in sight. The video captures the turtle from various angles, providing a detailed view of its physical characteristics, including its size, color, and texture. The turtle's shell is a mix of dark and light green, with patterns of yellow and brown. Its flippers are large and powerful, propelling it through the water with ease. The video does not contain any text or subtitles.