Bullmastiff Breed Information


Source: pethelpful.com

Bullmastiff is a large breed of dog with a short muzzle and wrinkle on the broad skull. Bullmastiff’s ears are set high in a V-shaped and wide carried close to the cheeks. The height of Bullmastiff is about 63 -69 cm in males and 61 -66 cm in females. The weight of a Bullmastiff is around 50 -59 kg and 45 -54 kg in males and females respectively.

Bullmastiff Pictures

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Origin Country of Bullmastiff  :

The Bullmastiff was obtained by crossing 60% Mastiffs with 40% Bulldogs within the country of England. Mastiff Bulldog varieties could be identified in records as early back as 1795. In 1924 Bullmastiffs began to be judged. Three generations of breeding of Bullmastiffs were necessary for Bullmastiffs to become registered as purebreds. The Bullmastiff was utilized as a gamekeeper’s dog to track down, tackle, and hold poachers. The dogs had been fierce and threatening but were trained not to bite the intruders. When the need to have gamekeeper’s dogs decreased, the dark brindle dogs so great for night camouflage gave way in popularity towards the lighter fawn coloration. It has been prized as a hunting guard, as a help in army and police work, and is utilized as a watchdog by the Diamond Society of South Africa. Today’s Bullmastiff is a dependable family companion and guardian. It enjoys living with all the family members, with whom it comforts itself well.

Male Bullmastiffs range from 25 inches to 27 inches. Female Bullmastiffs range from 24 inches to 26 inches.
Weight: Male Bullmastiffs range from 110 to 133 pounds. Female Bullmastiffs range from 100 to 120 pounds.


Bullmastiffs are common shades of brindle, fawn, or red and some might contain white markings on the chest.


Bullmastiffs have a brief and dense coat, which requires minimal brushing.


The Bullmastiff is actually a protective and alert dog breed that tends to make a great guard dog but only a fair watchdog, as they hardly ever bark. Devoted and loyal, the Bullmastiff loves human attention.

Health Concerns:

The Bullmastiff is susceptible to hip dysplasia, cancer, eyelid troubles, and gastric torsion.

Life Expectancy:

The expected life span of the Bullmastiff is 8-10 years.

Living Environment:

Bullmastiffs will do ideal in a house with a fenced yard. The owner of a Bullmastiff must be a firm and confident leader who understands the power of this dog breed.

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