13. Tiger snake (Notechis scutatus)
LD50: 0.118
As mentioned earlier, Tiger Snakes have several subspecies due to a vast range of regions they inhabit. Common Tiger Snakes can be found throughout southern and western Australia. The usual body length is 1.2-1.6 meters. They have a recognisable banded pattern, hence the name and the band colors vary from brown, black, olive, while the base color is usually yellowish. The mortality rate in humans goes as high as 40-60% when the bite is not medically treated.