The American Mastiff (Panja) were originally developed to guard the property and keep all strangers away. They were intended to be intimidating. They were recognized by DRA in 1996 and since then the dog became a family companion.
This large dog is strong and muscular with curious and alert expressions. This working dog has a muscular, athletic body. The chest is wide , limbs muscular, straight and well-boned. The head is broad and ears cropped. It has a docked tail and dew claws typically removed. The coat is flat and medium in length.