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)]) (CN) – The design of the ...

Scientists who studied why the scales of a huge Amazonian fish, which lives piranha-infested waters, are some of the toughest in the world hope their work could help to create armor. The outer layer ...

Speaking of scales, this giant fish has another superlative quality: “It has these very impressive armored scales on its body, which prevent penetration by predators teeth yet still makes the fish ...

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 ...

A keystone species of the Amazon River ecosystem, the arapaima is a powerful predator known by many names. Mike Bock Reaching up to 10 feet (3 meters) long and weighing 440 pounds (200 kilograms), ...

High-tech imaging of carp scales by Berkeley Lab scientists reveals remarkable properties that could lead to advanced synthetic materials Humans have drawn technological inspiration from fish scales ...

They're growing and learning their targets during daily training and soon they will venture off to the big tank. Only 9 inches long when they arrived two years ago at the Milwaukee County Zoo, two ...

Humans have drawn technological inspiration from fish scales going back to ancient times: Romans, Egyptians, and other civilizations would dress their warriors in scale armor, providing both ...