caption: The image shows a close up of a rock with a small shell on it, surrounded by a few other objects on the surface of the water. The shell appears to be a limpet, a type of sea shell, and is a light brown color with a glossy sheen. It has a curved shape with a pointed end and a small opening at the top. The other objects in the image are small and round, and appear to be shells of various sizes and colors.