Some can get quite big but they should never get to the size of an average hedgehog. On a balanced diet they are usually just bigger than two flat hands next to eachother. 1 - 1.5 pounds (0.5 - 0.7...
African pgymies were not discovered; they were created. They are a hybrid from the cross of the White-bellied or Four-Toed Hedgehog (Atelerix albiventris) and the Algerian Hedgehogs (A. algirus).