Weight: Female: 20–60 kg, Male: 31-54 kg.
Height: Female:41–54 cm, Male: 43–57 cm.
Coat: Short, Smooth and Glossy.
Color: Black, White, Brindle, Fawn, Tan, Grey, Blue, Brown, Red.
Litter Size: 4 to 8 puppies.
Life expectancy: 8 to 13 years.
Origin: United States.
Temperament: Intelligent, Affectionate, Stubborn, Friendly, Strong Willed, Loyal, Clownish, Obedient, Courageous.