17. Gaboon Viper (Bitis gabonica)
LD50: 0.14
Gabon Viper ranks 17th in our list of the 20 most venomous snakes in the world. The Gaboon Viper lives mostly in equatorial, and east and southeast Africa, and it was named after Gabon, where it was originally found. It inhabits tropical rainforests and woodlands. This is one large and heavy snake. With around 1.8 meters of average body length and about 20 kg weight, it is considered the heaviest venomous snake in Africa. It has a characteristically thick body and distinctive triangle-shaped head, with huge fangs that can reach up to 5 centimeters. This snake also rarely attacks humans, only when severely provoked or stepped on.