It is an elegant, intelligent, and strong breed of dog that originated in late 19th century Germany. Originally designed as guard dogs and hunting dogs, it is known for its agility, loyalty, and bravery. Having smooth short hair, usually black and brown, with a slender body and muscular physique. Having high alertness and excellent work ability, it is an ideal family pet and guard dog. Regular exercise and intellectual stimulation are needed to maintain their physical and mental health. In addition, they are very loyal to family members, but may show caution towards strangers. Having a strong territorial instinct and protective desire, it is necessary to receive socialization training from a young age.