Japanese Green Long Polyp Toadstool Leather CoralHow to Care for Japanese Green Long Polyp Toadstool Leather Coral: (written by Dave Burr) Aquaculture: We farm Japanese Green Long Polyp Toadstool Leather Corals here at Vivid Aquariums by cutting off a piece of the parent's crown and attaching it to a frag plug until it grows onto the plug. Smaller specimens are shaped like a mushroom, however as they grow larger they will take on an interesting folded appearance. When fully open the tops of these