Scorpions are predatory arthropods of the order Scorpiones within the class Arachnida. They have eight legs and are easily recognized by the pair of grasping claws and the narrow, segmented tail, often carried in a characteristic forward curve over the back, ending with a venomous stinger. Scorpions range in size from 9 mm to 21 cm.
Scorpions are found in every continent, except Antarctica, and in a variety of terrestrial habitats. are bringing forth new information. Although the scorpion has a fearsome reputation as venomous, only about 25 species are known to have venom capable of killing a human being.