Is the Bullmastiff the right breed for you? Learn more about the Bullmastiff including personality, history, grooming, pictures, videos, and the AKC breed standard.

The American Masti-Bull is a large hybrid dog that is bred by crossing an American Bulldog with a Mastiff. Though shorter than a Mastiff, it retains the giant dog’s thick bones. Like the Bulldog, it is heavily muscled, and can weigh over 100 pounds.

The Bullmastiff is a large-sized breed of domestic dog, with a solid build and a short muzzle. They are alert and powerful companions.

May 7, 2025 · American Masti-Bulls are gentle giants, and they make incredible guard and family dogs. They really love their people, and they’ll do anything necessary to protect them. Plus, they’re low maintenance and easygoing.

Feb 25, 2025 · Learn all about the gentle giant, the Bullmastiff. This large dog breed is docile, intelligent, and willing to learn. So let's dig in for more details...

The American Bull Mastiff (ABM) requires a firm handler, and is very protective. They absolutely love children, and are natural protectors bred for the specific task of livestock / family protection. The ability of this task is necessary to the old days of the true "Band dog."

Jul 23, 2023 · The American Masti-Bull is a hybrid dog breed that is created by crossing an American Bulldog with a Mastiff, also known as the English Mastiff. Sometimes, this hybrid breed is referred to as the American Bandogge Mastiff, which can be a bit confusing.

Feb 25, 2022 · The Bullmastiff is a large-boned and muscular working dog from England with a short coat. Its origins as a cross between the Mastiff and the bulldog are apparent in its appearance. In personality, this breed is smart, alert, and loyal.

The American Bull Mastiff is not a pure breed. They are mixtures between an Alaunt type German Mastiff and American Bulldog or White English Bulldog. This breed is gritty like bandogs, and greatly resembling the Boer Boel of South Africa, which themselves were developed mainly from German and Dutch Alaunt type bulldogs and Mastiffs.

The American Bullmastiff Association is the AKC recognized breed club for the bullmastiff. ABA members are dedicated to the education, training, care and overall well-being of the bullmastiff.