Piranha Plants is
venus fly trap like enemy,almost always portrayed as a leafy green stalk topped with a white-spotted red globe, bisected by white lip mouth with razor sharp teeth. They have shown up many times in the series, typically hide within pipes (Sometimes pipes Mario can go into) and comes out whenever something is close by. Some species can also spit out fireballs. Others live outside in pipes, Being either rooted in the ground or even walking about on roots like legs.