The three recognized types of Boxer dogs are the American Boxer, the German Boxer, and the European Boxer. u003cbru003eu003cbru003eThe American Boxer is a more recent breed and is bred for companionship. u003cbru003eu003cbru003eThe German Boxer is bred for guarding and is more muscular than its counterparts. u003cbru003eu003cbru003eThe European Boxer has a longer muzzle and less extreme features than the other two types.