The term 'electrifying fish' refers to the electric EEL (EEL) and electric eels (EELS). Electric eels are a species of knifefish found in the Amazon and Orinoco river basins in South America. They have the ability to generate electric shocks of up to 600 volts, which they use to stun their prey and for self-defense. Electric eels can grow up to 2.5 meters in length and can weigh up to 20 kilograms.