RIO NEGRO, Brazil (WTHR) - One of the most popular things to do in the Amazon rainforest is fishing for piranha. In Sept. 2015, photographer Steve Rhodes and I spent several days at the Anavilhanas ...

South America’s piranha family of fish — notorious as eaters of flesh — can be traced back to a single ancestor which dispersed when the Amazon was flooded by seawater some five million years ago, ...

Piranhas are among the most deadly creatures in the water, with razor-sharp teeth capable of slicing flesh easily, but a fish in the Amazon River basin has developed a "bulletproof vest" to protect ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Thousands of fish ...

CAMDEN -- In Adventure Aquarium's newest exhibit, the sound of water cascading over two towering waterfalls, walls of fresh, flowering foliage, and a school of more than 120 red-bellied piranha ...

Marine biologists have acquired a better understanding of the evolutionary history of piranhas. About 4 million years BP, rise in sea level appears to have brought about the isolation of small ...

This giant red bellied piranha has swum a long way from its native waters of the Amazon - to Devon. The 14in fish died after being dumped in the River Torridge near East Okemont. The Environment ...

A freshwater Amazonian fish has evolved scales with microscopic armorlike structures specially designed to resist a piranha's piercing bite, new research shows. Arapaima gigas is the largest — and ...

Originally published on November 10, 2018. A researcher dubbed "The Fish Listener" has set his microphones on the Amazon river to paint a picture of life inside one of the largest rivers in the world.

Researchers in a California biomechanics lab recently staged what should have been the most lopsided freshwater cage match of all time. In one corner was a red ...

'When you remove the hook from its mouth, make sure you throw the piranha back quick,' said Antonio, showing me a circular scar on his finger. 'Look, I got bitten. I had to slit its throat and ...