The remarkably tough scales of a huge air-breathing fresh water fish in the Amazon Basin named "Arapaima gigas" were the subject of a recent study led by Robert Ritchie of Berkeley Lab's Materials ...

The arapaima or pirarucu, native to the Amazon. (Jeff Kubina via Wikipedia [CC BY-SA 2.0 (https://creativecommons.org/licenses/by-sa/2.0)]) The arapaima or pirarucu ...

Researchers have discovered a new species of fish that breathes air and has evolved to grow extra strong scaly skin that can withstand piranha bites. The fish is a new species of arapaima, a giant ...

Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The freshwater giant has evolved armor-like scales that can deform, but do not tear or crack, ...

The Amazon River is filled with mysterious creatures, and one of those is the piranha. Almost everybody knows what a piranha can do and yes, they're real. They're carnivorous fishes and they can strip ...

It's a matchup worthy of a late-night cable movie: put a school of starving piranha and a 300-pound fish together, and who comes out the winner? The surprising answer -- given the notorious guillotine ...

Oct. 16 (UPI) --In a newly published study, scientists uncovered the secrets of the scales that protect Arapaima gigas, a large Amazonian fish, from the powerful bites of piranhas. Arapaima gigas is ...

One of the world’s largest freshwater fish is protected by the natural equivalent of a “bulletproof vest,” helping it thrive in the dangerous waters of the Amazon River basin with flexible armour-like ...

Capable of growing more than 3 metres in length and 200kg in weight, the arapaima is a freshwater giant with a fiery ...

Fish that live in piranha infested waters have evolved scales to protect them from the predator's fearsome teeth and are being used to develop new types of body armour The protective scales of ...

Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. It's evolved armor-like scales that deform, but don't tear or crack, when a piranha -- which ...