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About This Breed

Dog Group: Working
Size: 24-27 inches tall, 100-130 lbs
Lifespan: 7-9 years
Energy Level: Low
Coat: Short and dense
Shedding: Moderate
Hypoallergenic: No

History: Compared to other dog breeds, the Bullmastiff is relatively modern. It originated in the 19th century, formed by English gamekeepers who needed a quiet, yet strong dog who could fend off poachers. The Mastiff and Bulldog were contenders, but Mastiffs were not fast enough, and Bulldogs were not large enough. So, the gamekeepers breeded the two, and the "Gamekeeper's Night Dog," or Bullmastiff, was born. These dogs were bred for their demeanor and utility, and were very effective at guarding gamekeepers' estates from poachers. After poaching declined, the Bullmastiff transitioned into more of a guard dog, and was still considered a crossbreed. At the beginning of the 20th century, the Bullmastiff transitioned into a breed of its own rather than a hybrid and was recognized by the United Kennel Club (UKC) in 1924. The American Kennel Club (AKC) followed suit and recognized the breed in 1933.

Temperament: Bullmastiffs are confident and loyal guard dogs that form strong family bonds. They are extremely devoted to their families and can become very protective over them. The Bullmastiff is generally even-tempered and isn't easily provoked, but tends to be assertive with other dogs, especially males. Since they were bred to be silent watchdogs, Bullmastiffs don't bark much. They are obedient and enjoy pleasing their owners, but also have a stubborn streak, which is why they're not the best choice for shy or timid owners. They're generally good with children, but should be introduced to them during puppyhood. All in all, the Bullmastiff makes a wonderful companion in a firm, but loving home.