Smooth-haired breed of working dog named for its manner of boxing with its sturdy front paws when beginning to fight. Developed in Germany, it includes strains of bulldog and terrier in its heritage. Because of its reputation for courage, aggressiveness, and intelligence, it has been used in police work; it is also valued as a watchdog and companion. Trim and squarely built, it has a short, square muzzle; a black mask on its face; and a shiny, shorthaired coat of reddish brown or brindle. It stands 21–24 in. (53–61 cm) high and weighs 60–70 lbs (27–32 kg).