The incredibly toxic venom of the geographic cone snail has to be strong enough to paralyze instantly. Otherwise, the fish it preys on would swim away to die, and the slow-moving gastropod would have nothing for its efforts.
Indigenous to the reefs of the Indo-Pacific, geographic cones grow to about 6 inches (15 centimeters) in length and have intricately patterned brown-and-white shells highly prized by shell collectors.
The geographic cone is the most venomous of the 500 known cone snail species, and several human deaths have been attributed to them. Their venom, a complex concoction of hundreds of different toxins, is delivered via a harpoonlike tooth propelled from an extendable
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