Aqua-Cultured Toadstool Leather CoralHow to Care for Aqua Cultured Toadstool Leather Coral written by Dave Burr Smaller Aqua Cultured Toadstool Leather Corals are shaped like a mushroom, however as they grow larger they will take on an interesting folded appearance in your reef tank. When fully open, the tops of these toadstool leather corals are covered with numerous polyps about 1 cm in length. Shedding: As with most leather corals they may go through periods when their polyps do not