The video shows a sea snake swimming in the ocean. The snake is white in color and has a long, slender body. It moves gracefully through the water, surrounded by various types of coral and marine plants. The snake's head is visible as it swims, and its body undulates smoothly as it navigates through the water. The ocean floor is covered in coral and other marine life, creating a vibrant and colorful backdrop for the snake's movement. The video captures the snake's natural behavior and the beauty of the underwater environment.