While Vin and Dwayne were fishing, they caught a toxic piranha, who started to eat their fishing rod.
After the ocean started to be infected by a mysterious substance, N-Tek decide to investigate and search for Toxzon's body. They are attacked by a large shoal of toxic piranhas. After dealing with them, a human-sized toxic piranha appears and chases Max and Steel. While they are about to be eaten alive by the creature, Toxzon saves them in hopes of retrieving Fishy.
Appearance
The toxic piranhas have white eyes, a mouth filled with sharp, irregular teeth and their fins are irregular fins, with some of them having holes. They also have a glowing green light as a result of being infected by radioactive waste.
A human-sized toxic piranha also exists, having the same characteristics as the regular ones albeit being larger.
Abilities
Superhuman bite: They have a powerful bite, being capable of rapidly eating a fishing rod.
Weaknesses
Limited durability: They can be easily destroyed by projectiles from N-Tek's vehicles or by T.U.R.B.O. Energy blasts.