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Frost Piranhas first appeared in Paper Mario. They are larger than the average Piranha Plants and are a sky-blue color. Mario first encountered Frost Piranhas while on his way to Starborn Valley. Along with being exceptionally strong, they had the ability to shoot icy blasts of breath that can freeze Mario and his allies (although the blasts themselves won't hurt them). Frost Piranhas were later encountered on Shiver Mountain where they were less abundant.
Paper Mario: The Thousand-Year Door
Frost Piranhas reappear in Paper Mario's sequel Paper Mario: The Thousand-Year Door. They can be found on the way to Fahr Outpost and were slightly stronger than before, but noticeably lacking their ice-breath ability. However, their bite could still freeze Mario or his partners if they did not perform a Guard move. Like their Paper Mario counterparts, they can burrow underground and pop up to attack. Unlike in the previous game, they cannot be jumped on in battle.
Super Paper Mario
Frost Piranhas return in Super Paper Mario, where they are found in The Underwhere. This time their stalk is green like normal Piranha Plants instead of blue, and they are only found popping out of Warp Pipes. Frost Piranhas sometimes drop an Ice Storm if defeated.
Super Smash Bros. Ultimate
One of Piranha Plant's alternate color schemes is based on a Frost Piranha.
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