Lingkan Reang
Contains enough poison to kill 10 adult humans, and it's skin toxins deter predators.
The most venomous snake in the world, it's bite can kill a human in an hour.
A small but lethal creature, it's venom can cause paralysis and respiratory failure in minutes.
Highly venomous, some species can deliver a fatal bite, but they are generally not aggressive.
This highly venomous spider can cause death in humans, with its venom acting rapidly on the nervous system.
The bite of the Gila monster, a venomous lizard, is considered to be the most excruciating of any vertebrate.