Naval Piranha's Castle

in yoshi's island this world is a maze and lots of pirahna plants are in the world lakitu are also found in the world the boss of this world is a ordinary pirahna plant that kamek had put magic on then it falls into water turning into a humungious pirahna plant called navel pirahna wich is related to a boss in yoshi's island DS called Big Bungee Piranha.