A group of electric fish from South America with unarmored or lightly scaled bodies, including the electric eel.
From Greek 'gymnos' (naked) + 'notum' (back). The term describes fish with exposed or minimally protected backs.
Electric eels (part of Gymnonoti) can generate 860 volts of electricity—enough to stun a horse—using specialized electric organs, and they use it like underwater radar to navigate and communicate in murky rivers!
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