Tag Archives: Phyllobates terribilis

How the Deadliest Frogs on Earth Avoid Poisoning Themselves 

Poison dart frogs have an ominous and well-deserved reputation as a lot of death stuffed into a teeny, neon package, and none is more dangerous than Colombia’s golden poison frog (Phyllobates terribilis). With skin slaked with enough of the potently neurotoxic batrachotoxin (BTX) to kill a staggering 20,000 mice, the golden poison frog somehow doesn’t poison itself. A team of scientists have now pinpointed how the frogs survive their lethal secretions: a single genetic mutation that results in full immunity to BTX.

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