Brain Coral

Brain coral are small, polyp-like creatures that form a hard, exoskeleton in patterns that look like a human brain. They feed on algae and small animal tissues that drift through ocean currents. They are related to jellyfish, sea anemones and other species of coral.
Brain coral is a collection of genetically identical, individual, multi-cellular organisms called polyps. These polyps resemble a human adult molar tooth. They have a quadruple root anchored to the calcified, coral surface and a soft body with short tentacles that wave back and forth in the water, collecting food.