Bark Scorpions are a species of particularly poisonous, mutated scorpions.
Bark Scorpion though smaller than their Radscorpion counterparts, have a much more potent poison. They aren't considered much of a threat, given their size and the ease with which they can be killed. Their stings can be used to mix up anti-venom.
Appearances in Side Stories
Dead-Shot spots one of these when investigating the area around the Courier's shallow grave near Goodsprings.