Black mamba Snake (Dendroaspis polylepis) – The longest venomous snake in Africa The black mamba (Dendroaspis polylepis), also called the common black mamba or black-mouthed mamba, is the longest venomous snake in Africa, averaging around 2.5 to 3.2 meters (8.2 to 10 ft) in length, and sometimes growing to lengths of 4.45 meters (14.6 ft). Its name is derived […]