The Bullmastiff is a large-sized breed of domestic dog, with a solid build and a short muzzle The Bullmastiff shares the characteristics of molosser dogs, and was originally developed by 19th-century gamekeepers to guard estates. The breed’s bloodlines are drawn from the English Mastiff and the extinct Olde English Bulldog. It was recognized as a purebred dog by the English Kennels Club in 1924 and by the AKC in 1934.

 Life Span: 8-10 years

Origin: United Kingdom

Temperament: Reliable, Devoted, Reserved, Protective, Alert, Docile, Loyal, Calm, Powerful, Courageous, Loving

Height: Male: 25–27 inches (64–68 cm), Female: 24–26 inches (61–66 cm)

Weight: Male: 110–130 lbs (50–59 kg), Female: 99–120 lbs (45–54 kg)

Colors: A Bullmastiff’s coat may appear in fawn, red, or brindle. These are the only acceptable colors in the AKC standard. The fawn can range from a very light brown to a reddish brown. Red can range from a light red-fawn to a dark, rich red. Brindles are a striped overlay of the fawn or red. A Bullmastiff should have no white markings, except for on the chest where a little white is allowed.