Brain coral is a type of coral that gets its name from its brain-like appearance. Brain coral is a hard coral, which means that it has a hard, calcium carbonate skeleton that provides structure and support. Like other corals, brain coral is made up of small, individual animals called coral polyps, which secrete the hard skeleton as they grow.
Brain coral is found in tropical and subtropical waters around the world, and it is typically found in shallow, clear waters where there is sufficient light for coral growth. Brain coral is a slow-growing coral, and it can live for hundreds of years. It is an important component of coral reef ecosystems, and it provides habitat and protection for a variety of marine plants and animals. Brain coral is also a popular species among aquarium hobbyists.