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Electric eels can control their prey: high-voltage zaps hijack nervous system of hiding fish.
Electric eels evolved hacking long before humans did. Zapping other fish with high-voltage bursts lets eels remotely control their prey's nervous system to make muscles twitch and clench.
That takeover is how electric eels (Electrophorus electricus) immobilize their prey, Kenneth Catania of Vanderbilt University in Nashville reports in the Dec. 5 Science. And in experiments exploring just what the eels' high-voltage discharges (up to 600 volts) do to prey physiology, Catania uncovered...
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