Hidden in the amazon jungle lurks a killer so deadly it is powerful enough to light up a house and has got the power to stop your heart and kill you. It's an electric eel despite its name ,this fish is not a true eel, but a giant member of the knifefish family they can be found through the amazon basin.They are locally known as poraque.Up to 2.5m (8ft) long and weighing 80 pounds.When fully grown it can be as thick as a human thigh and is one of the largest freshwater fish in south america.Electric eels can produce sudden jolts of up to 600 volts powerful enough kill other fish and humans.