A few species, including electric eels, electric rays, and electric catfish, can emit enough juice to stun other fish, yet they never seem to shock themselves. Body size may be key: An electric eel can ... In truth, no one really knows why electric eels don't shock themselves. read more
The electric eel, Electrophorus electricus, is a fish classified in the order Gymnotiformes and is a cousin to the carp and catfish. Electric eels populate the streams, rivers and ponds of South America and can grow as long as 8 feet (2.5 meters) and as heavy as 44 pounds (20 kilograms). read more
The electric eel has tiny battery-like cells called electrocytes that store power. If threatened or in pursuit of prey, this fish can discharge a current of up to 600 volts, depending on its size. This is far more powerful than the jolt you would get from a standard household outlet if you were foolish enough to play around with electricity. read more