Peacock bass are found throughout the rivers of Brazil and it's bordering countries. They are found throughout the Amazon basin in the Amazon, the rio Negro, the rio Negro, and the rio Xingu to name a few.
The rivers of the Amazon basin vary from white water rivers such as the western Amazon to black water rivers like the rio Negro. Here the two great rivers meet outside of Manaus, Brazil.
The Rio Negro
The Orinoco
The rio Xingu