[3] The original Piranha eventually regenerated, and joined the Deep Six alongside Nagala, Orka, Sea Urchin, and Tiger Shark while Attuma had seized the throne of Atlantis.

The Piranha had superhuman physicality, teeth that were strong and sharp enough to penetrate Namor's skin,[7] claws that were equally as incisive made deadlier by a sleep-inducing venom they generated and the power to command other fish telepathically.

[8] Piranha could increase its intellect by consuming the remains of anyone it came across, effectively adding their knowledge, memories and acumen to its own.

After being zombified by a necrolized Headpool, Piranha was turned into a zombie with a greatly augmented appetite.

[10] Piranha gained a parasitic ability to breed and birth schools of zombie men-fish clones of itself as eggs in healthy human hosts, as well as self-spawn without the need of a mating cycle.