The video shows a close-up of a sea urchin with white spines. The sea urchin is sitting on the ocean floor, surrounded by rocks and other sea creatures. The spines of the sea urchin are long and pointed, and they are arranged in a circular pattern around the body of the sea urchin. The ocean floor is covered in various types of seaweed and other marine plants, creating a colorful and diverse environment. The water is clear, allowing for a detailed view of the sea urchin and its surroundings.