The video shows an underwater scene with a rocky ocean floor. There are several sea urchins attached to the rocks, and they are moving slightly with the water current. The water is clear, and sunlight is filtering through, illuminating the scene. The sea urchins are mostly purple in color, with some white spots. The rocks are covered in algae and other marine life, creating a vibrant and diverse ecosystem. The camera moves slowly, allowing viewers to take in the details of the scene.