A new species of piranha-like fish has been discovered in the Amazon ... Most pacus, for example, have flattened, human-like teeth that help them break down plant matter rather than to rip through ...

To put into perspective just how brutal the notoriously nippy fish can be, a large group of the fish would be able to ...

with a study in 2012 indicating that the black piranha has the strongest bite found in a living fish. They will eat almost anything when hungry - and there have been fatal attacks on humans ...

In 2023, 11-year-old Charlie Clinton from Oklahoma made headlines by catching a pacu — a South American fish known for its human-like teeth — in a pond behind his house, far from its native ...