Coral Reefs

An illustrated look at corals and the reefs they build around the world, and the causes and dire consequences of their rapid disappearance Corals are among the most varied lifeforms on Earth, ranging from mushroom corals and leather corals to button polyps, sea fans, anemones, and pulse corals. Bridging the gap between plant and animal, these marine invertebrates serve as homes to reef fish and share symbiotic relationships with photosynthesizing algae, which provide corals with their nourishmen