Deep in the vast rivers and flooded forests of the Amazon Basin, there lives a fish that appears to be prehistoric in both size and appearance. The arapaima, also called the “pirarucu,” is one of the ...

Capable of growing more than 3 metres in length and 200kg in weight, the arapaima is a freshwater giant with a fiery reputation. If threatened, it may launch itself in defence, and with a rock-hard ...