Fish Woos Mate with Electricity

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Birds do it, bees do it, but this Amazon basin fish do it with ‘lectricity! The nocturnal (and toothless) gymnotiform fish attract the opposite sex and intimidate rivals by amping up their electric field:

One weakly electric fish is the nocturnal gymnotiform fish (Brachyhypopomus pinnicaudatus), a toothless fish native to the Amazon basin. At night, males of the species give off big, long electric hums, almost like serenades. […]

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