Photo of Gabon Viper, Bitis Gabonica

-- Gabon viper extremely venomous but usually docile, ground-dwelling snake found in tropical forests of central Africa. It is the heaviest venomous snake in Africa, weighing 8 kg 18 pounds , and it grows to a length of 2 metres about 7 feet . The Gaboon viper also possesses the longest fangs of any snake, measuring up to 4 cm 1.6 inches long.