Piranhas are fish that live in the Amazon River and lakes in South America, known for their razor-sharp teeth and fierce attacks on other kinds of fish. But are they really as aggressive as they ...

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 ...

Most pacus, for example, have flattened, human-like teeth that help them break down plant matter rather than to rip through flesh. Even the purely carnivorous species of piranhas are not as ...