Portal Em Tempo

Pesquisa inédita com genoma protege espécies de peixes da Amazônia

O pirarucu (Arapaima gigas) e o filhote (Brachyplatystoma filamentosum) são duas espécies de peixes amazônicos que, além de ...
Courthouse News Service

Uncovering the Secrets of the Toughest Fish Scales on Earth

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 ...
Mongabay

An Amazonian arapaima washed up in a Florida river. It didn’t swim there

If you liked this story, share it with other people. In February, Florida officials identified the body of an arapaima (Arapaima gigas) that had washed ashore from the Caloosahatchee River. An expert ...
EurekAlert!

What gives a 3-meter-long Amazonian fish some of the toughest scales on Earth

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, ...
New York Post

This fish has it’s own ‘bullet-proof vest’ to protect it from piranhas

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 ...
UPI

Scientists study scales that protect small Amazonian fish from piranhas

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 ...