The Amazonian predator that navigates through a world of shadows
In short: Watch Brady and his team attempt to capture a large electric eel to determine if it belongs to a new species. This footage explores one of nature's most specialized biological weapons.
Despite their name, electric eels are not actually eels; they are elongated South American knifefishes more closely related to carp and catfish. They inhabit muddy, dark waters where poor eyesight makes vision unreliable. To compensate, they use special organs made of modified muscle cells—specifically the main organ, Hunter’s organ, and Sach’s organ—to emit electric signals.
These eels function like biological radar, using weak pulses to navigate, find mates, and locate prey in total darkness. When a target is identified, such as a smaller fish, they release a massive discharge of up to 650 volts. This power is more than five times that of a standard US wall socket and has been strong enough to knock a horse off its feet.
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Sources
- Summary by Intellect · source: Brady Gets a Shock | Electric Eel
- Also: Electric Eel
- Also: Electric eel | Diet & Electric Shock | Britannica
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