But the actual mechanism that the scorpion chooses to use when defending itself -- it can use the pincers, the stinger, or both -- can depend on other evolutionary adaptations, so it's not clear whether their behavioral responses are actually correlated with maximum performance ability. read more
All scorpions have a venomous sting, but the vast majority of the species do not represent a serious threat to humans and in most cases healthy adults do not need any medical treatment after being stung. Only about 25 species are known to have venom capable of killing a human. read more
When injected the neurotoxin attacks the nerve cells of the victim causing paralysis and death. The sting of the Bark Scorpion is can be fatal to young children, the elderly and those who are allergic to the venom. read more