Payara are fast and aggressive feeders. One look at the mouth of this fish and there will be no doubt that the Payara is a vicious carnivore. This incredible fish has two large fangs on its lower jaw. These fangs can be 4 to 6 inches long. These two main lower teeth are so long that there are holes in the upper jaw for them to fit into. The Payara are mainly known as a game fish and are prized by fisherman for their fighting ability.