The electric eel belongs to the bareback electric eel family of eel-shaped South American fish, Latin scientific name for Electrophoruselectricus. can produce enough to knock people out of the current, is the strongest discharge capacity of freshwater fish, the output voltage up to 300 ~ 800 volts, so the electric eel has the water of the "high-voltage line" called. The electric eel is not a true eel, but a close relative of the catfish. The electric eel has been selected as one of the "most feared freshwater animals on earth" by the U.S. National Geographic magazine website. There are dozens of known species of electric fish in the world, and other fish that can discharge electricity are electric catfish, electric rays and so on.