Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the marine creatures lurking in the massive stretch of water remain ...

Piranhas, known for their sharp teeth and powerful jaws, are efficient hunters in South American freshwater ecosystems. They exhibit complex social behaviour, hunting in schools and using advanced ...

(CNN) — A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows. These wild wonders were among the hundreds of previously unknown ...

A close up picture of two piranha fish with their sharp triangular teeth exposed. A school of piranhas attacked holiday makers playing in a stream in a Brazilian resort on May 1, leaving at least ...

Piranha is a general name used to describe a group of freshwater fish with a fearsome reputation when it comes to feeding. There are between 40 and 60 different species; none grow larger than two feet ...

OSLO (Reuters) - Scientists have found a new type of piranha and a ray among 13 new species of freshwater fish in an area of Venezuela where pollution from gold mines is emerging as a threat, a ...

It goes without saying that you could find some pretty dangerous animals if you were to travel back in time tens of millions of years ago, but not all of the creatures that lurked in prehistoric times ...

When a pre-teen girl dunked a hook baited with a piece of hot dog into the 23-acre lake in Tom Bass Park on Aug. 27 and pulled out a flapping, snapping, hand-size fish, she unexpectedly uncovered ...

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