14. Death Adder
Source: Iconosquare
This snake possesses a venom that can kill a person in under six hours. Its venom causes nausea and hinders speech. As it works through the system, breathing becomes difficult, is followed by paralysis and death by respiratory failure. It hunts by waiting to ambush its prey and has been known to lay in wait for weeks. It’s fangs point outward instead of down, allowing it to thrust itself directly at its target.