Sarabi dog
The Sarabi dog or Iranian mastiff is a large breed of livestock [guardian dog] named after and originating from the Sarab County in Iran. Sarabi dogs have been used for centuries to protect herds from Syrian [brown bear], Indian wolf, golden jackal, striped hyena, Persian leopard the largest leopard subspecies, and the extinct Caspian tiger. The Sarabi mastiff is calm, controlled, independent, powerful and protective; the breed is also used to compete in staged dog fights and as a hunting dog. The breed is considered one of the oldest and most powerful indigenous dog breeds in Iran; the larger and heavier an individual dog is, the greater its value.