How Amazonians saved a 'Terminator' of the fish world

The arapaima is a lean, mean, killing machine -- and a tasty one too. Pushed to the brink, canny management now means Brazilians can have their fish and eat it.

How Amazonians saved a 'Terminator' of the fish world
The arapaima is a lean, mean, killing machine -- and a tasty one too. Pushed to the brink, canny management now means Brazilians can have their fish and eat it.