A giant freshwater fish, the arapaima, native to the Amazon river in Brazil, can breathe air and has armour-like scales so strong it can withstand piranha attacks. Just once a year, Brazilians are ...
What's 10 feet long, 440 pounds, and armored like a tank? The arapaima, perhaps the most peculiar fish in the Amazon. is a denizen of the Amazon. It tops out at 440 pounds and 10 feet long. Making it ...