Close-up of "Hoagie," a limestone rock. This rock is covered with living organisms, providing a micro-habitat for a variety of species. Image courtesy of Islands in the Stream 2001, NOAA/OER.
Close-up of "Hoagie," a limestone rock. This rock is covered with living organisms, providing a micro-habitat for a variety of species. Image courtesy of Islands in the Stream 2001, NOAA/OER.