Highly venomous
(see stings and venom)

Non-venomous

Thick-tail scorpions (family Buthidae). They have thick tails and thin pincers. 

Thin-tail scorpions (families Scorpionidae, Ischnuridae). They have thin tails and broad, well developed pincers. 

Parabuthus granulatus

Hadogenes minor female.

Parabuthus granulatus sting

Opisthacanthus capensis.

Uroplectes lineatus. Painful sting but not life-threatening.

Opistophthalmus adustus.

Parabuthus capensis

Opistophthalmus capensis 

Parabuthus transvaalicus

Cheloctonus sp.