Fish {electric fish} (Gymnarchus) tail can generate weak electric voltages that cause discharges at 300/second. Electric organs along body detect electric field. Dorsal fin undulates to move fish forward without using tail. Objects in water alter electric field.
eel-like, South America {electric eel}.
4-Zoology-Kinds-Fish-Teleost-Fresh Water
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Date Modified: 2022.0225