Also known as the Argentine Mastiff, it is a large and muscular breed originally developed in Argentina for big game hunting. Initially used to hunt large game such as puma and wild boar, the Dogo Argentino has stamina, endurance, and courage for days. These dogs are courageous and fearless, traits that were selectively bred for during their development as big game hunters. They are not typically prone to shyness or timidity. They are easily recognized by their all-white coats and sturdy, muscular build.