What the U.S. Air Force Can Learn From This Piranha-Proof Fish
The arapaima has evolved scales tough enough to defend against razor-sharp teeth, a great feature for military body armor.
By Kyle Mizokami
Oct 18, 2019
The U.S. Air Force is studying arapaima fish to determine how they can survive in piranha-infested waters.
The arapaima evolved a unique scale design that helps it resist piranha bites, including up to 1.7 million pounds per square inch of pressure.
This biomimicry technology could lead to more flexible armor for troops or vehicles, including aircraft.
https://www.popularmechanics.com/military/research/a29504997/air-force-piranha-body-armor/
