Goliath Tigerfish - Locals in the Congo say it&#x27;s the only fish that doesn&#x27;t fear crocodiles, and will even devour some of the smaller ones!  32 teeth the size of a Great White Shark&#x27;s, incredible eyesight in murky water and they can sense low-frequency vibrations emitted by prey...making this one dangerous predator.   It&#x27;s been observed going after 60 pound catfish and literally slicing them in half...