The menacingly beautiful blue coral snake preys on other fast moving, venomous snakes. To immobilize its prey, this reptile employs a particularly nasty venom—one that makes the last moments of the victim’s life a living hell.
The bite of a Brazilian wandering spider might not kill you, but it can make you wish you were dead. The cocktail of toxins in its venom produces a suite of not-so-delightful effects like swelling, intense pain, paralysis, and if you’re male, a painful erection that lasts for hours.
It’s common sense that you shouldn’t try to eat a poison dart frog. But you probably don’t want to go anywhere near one of these adorable little suckers, which use the tiny, bony spines on their faces to jab threatening animals with a venom more potent than that of a deadly pit viper.