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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 ...

Diver Alex Reeson checks on the Arapaima or Pirarucu fishes in the tropical section of Europe's biggest freshwater aquarium Aquatis, due to open October 21, in Lausanne, Switzerland. Reuters ...

An ancient Amazonian fish with thick piranha-proof scales may hold the secret to building better bullet-proof body armor, puncture resistant gloves or even safety goggles and CD cases. Researchers at ...

Six years ago, the fish ecologist Rodney Rountree was on a skiff in the Peruvian Amazon. He was holding a piranha in his hand…underwater…in a river filled with ...

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 ...

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 ...

Share current article via Email Share current article via Facebook Share current article via Twitter Share current article via LinkedIn An "armoured" fish living in the Amazon has evolved a remarkable ...

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 ...