Bullmastiff Dog Breed Information & Characteristics

In the mid-1800s, English gamekeepers needed a reliable companion to deter poachers from their estates. They developed the Bullmastiff by crossing the Mastiff with the now-extinct Old English Bulldog. This created a breed that was strong and fast yet gentle enough to hold intruders without harming them. Today, Bullmastiffs retain their protective instincts but have evolved into affectionate and loyal pets.

Despite their large size, Bullmastiffs are well-suited for city living and smaller spaces. They don’t require excessive exercise—just a couple of daily walks will keep them happy and healthy. Their calm and easygoing nature makes them excellent indoor pets. They tolerate being alone during the workday, provided they receive quality time with their family when they return home.

Drooling is part of life when owning a Bullmastiff. Their facial structure, with loose skin around their muzzles and lips, leads to a constant flow of drool that can end up on floors, furniture, or even flying through the air when they shake their heads. Many owners keep a drool cloth handy or tie a bandana around their pet’s neck to manage the mess.

Bullmastiffs are not high-maintenance when it comes to grooming. They shed seasonally but not excessively. Routine brushing helps manage shedding and keeps their coat in good condition. Regular baths, nail trims, and dental care will keep your Bullmastiff looking and feeling great. Pay close attention to their skin and ears to catch any potential health issues early.

Bullmastiffs are known for their unique vocalizations. From snorts and grumbles to soft “woofs,” they have their own way of letting their owners know how they feel. Whether they sigh to signal relaxation or make playful noises to get attention, learning their sounds helps strengthen the bond between owner and pet.

Early training and socialization are essential for Bullmastiffs. They have a strong protective instinct and can be territorial. Establishing clear boundaries from a young age helps prevent behavioral issues. Consistent training with positive reinforcement techniques will result in a well-behaved and confident dog.

Bullmastiffs love food, and they can be prone to overeating. To prevent weight gain and reduce the risk of bloat, it's best to split their meals into two servings per day. A high-quality diet tailored to their size and activity level is crucial to maintaining their health.

Due to their short snouts, Bullmastiffs can struggle in hot weather. Owners should be cautious during summer months, ensuring their dogs have access to shade and water. Avoiding excessive exercise and hot pavement will help prevent heatstroke.

Bullmastiffs are impressive dogs with their muscular build, broad head, and soulful eyes. Their coats come in fawn, red, and brindle, often accompanied by a signature black mask. Males can weigh up to 120 pounds and stand around 26 inches tall, while females are slightly smaller but equally powerful.

Bullmastiffs tend to do best as the only pet in the household. They may not get along well with other dogs, especially of the same sex, and their strong prey drive can make it challenging to live with smaller pets like cats. Proper socialization from a young age can help, but their natural instincts may still pose challenges.