Skip to content


Bullmastiff Dog Breed Information

In a Sentence:

A large, powerful dog breed with a protective nature and a calm temperament.

Scientific Name:

Canis lupus familiaris.


Bullmastiffs are considered a large dog breed.
Weight:50-59 kg (110-130 lbs).
Height:61-68 cm (24-27 inches).
Length:61-69 cm (24-27 inches).


The average life expectancy of a Bullmastiff is 8-10 years. read more >>


What type of dog is a Bullmastiff, how do they behave and what temperament do they have? See below for a detailed overview of their traits and personality.

Personality & Temperament

Bullmastiffs are loyal, protective and confident dogs. They are known for their calm, gentle and affectionate nature. They are intelligent and alert, making them excellent watchdogs. They are also very loyal and devoted to their families and they will do anything to protect them. Bullmastiffs are not aggressive, but they can be territorial and will bark to alert their owners of any potential danger. They are also very affectionate and loving towards their families and they love to cuddle and be around their owners. They are also very playful and enjoy playing with their families. They are generally good with children and other pets, but they may be too boisterous for smaller children. They require regular exercise and mental stimulation to stay happy and healthy. Bullmastiffs are not the most active of breeds, but they do need regular walks and playtime. They are also very sensitive and can be easily stressed out, so it is important to provide them with a calm and consistent environment.


Bullmastiffs are very intelligent dogs. They can understand commands quickly and are eager to please their owners. They are also very loyal and protective of their family.


Bullmastiffs are intelligent and eager to please, so they are relatively easy to train. However, they can be stubborn and independent, so consistency and patience are key. Positive reinforcement, such as treats and praise, is the best way to train a Bullmastiff.


Bullmastiffs are a relatively lazy breed and they can sleep for up to 12-14 hours a day. However, it is important to note that the amount of sleep a Bullmastiff needs can vary depending on their age, activity level and overall health. Puppies and older dogs may require more sleep, while younger, more active dogs may need less. It is also important to ensure that your Bullmastiff gets enough exercise and mental stimulation during their waking hours to prevent them from becoming overweight or bored.


Bullmastiffs are not known for being particularly vocal dogs. They will bark occasionally to alert their owners of something, but they are not renowned for being barkers. read more >>


Bullmastiffs do drool more than the average breed. They tend to drool more when they are excited or stressed and they can also drool when they are eating or drinking. Some Bullmastiffs may drool more than others, but on average they can drool quite a bit. read more >>


Bullmastiffs are not known to be excessive lickers, but they may lick occasionally as a sign of affection or to show submission. However, if a Bullmastiff is licking excessively, it may be a sign of anxiety, boredom or a medical issue and it is best to consult with a veterinarian to rule out any underlying health problems.


Bullmastiffs aren’t famous for their jumping abilities. They are a large and heavy breed and their size and weight can make jumping difficult for them. However, they are capable of jumping up to 4-5 feet in height if they are motivated or trained to do so. It is important to note that excessive jumping can be harmful to their joints and should be avoided.


Bullmastiffs generally don’t cause too many issues with their digging, but they may do some light digging in the yard if they are bored or looking for something to do. If you want to discourage your Bullmastiff from digging, it’s important to provide them with plenty of exercise and mental stimulation.

Good Fit for You?

Is a Bullmastiff the right dog for you? Keep reading to find out how compatible you are with a Bullmastiff.


Bullmastiffs are a relatively inactive breed and do not require a lot of exercise. They are content with a daily walk or two and some playtime in the yard. They should not be over-exercised as they are prone to heat exhaustion. read more >>


Bullmastiffs need plenty of space to move around, as they are large, active dogs. They need a securely fenced yard that is at least 6 feet tall and large enough for them to run and play. They also need regular walks and playtime to stay healthy and happy.


Bullmastiffs are not recommended for apartment living. They are very large dogs and need a lot of space to move around. They also tend to be quite vocal and can disturb neighbors. read more >>

Left Alone

No, Bullmastiffs do not tolerate being left alone. They are a very social breed and need to be around their family and other people. If left alone for too long, Bullmastiffs may become destructive or anxious.

Kid/Family Friendly

Yes, Bullmastiffs are generally good with kids and families. They are loyal and protective, but also gentle and patient. They tend to form strong bonds with their families and can be great companions for children. read more >>

Perfect Fit

Bullmastiffs are large, loyal and protective dogs that make great family pets. They are best suited for households with older children, as they can be quite protective of their families. Bullmastiffs are also great for homes with plenty of space to roam and play, as they need plenty of exercise and stimulation. They do best in homes with a consistent routine and plenty of attention.

Pros and Cons:

While they can be loyal and protective companions, there are also some drawbacks to owning this breed. Here are five pros and cons to consider:

1. Loyal and protective1. Requires a lot of exercise and space
2. Good with children and other pets2. Can be stubborn and difficult to train
3. Low grooming needs3. May have health issues such as hip dysplasia or bloat
4. Calm and laid-back temperament4. May be aggressive towards strangers or other dogs
5. Minimal barking5. Can be expensive to feed and care for due to their size

Overall, owning a Bullmastiff can be a rewarding experience for the right owner who is willing to put in the time and effort to properly train and care for this breed. However, it’s important to carefully consider the potential challenges and responsibilities before bringing one into your home.


The cost of a Bullmastiff puppy can range from $1,500 to $3,500, depending on the breeder, the puppy’s age and pedigree. read more >>

Breed History:

Bullmastiffs were bred in England in the 19th century as a guard dog for large estates. They were bred by crossing the English Mastiff with the Bulldog to create a breed that was strong, loyal and brave. The Bullmastiff was bred to be a silent guardian, alerting the estate’s owners to any intruders without barking. They were also used to track and hold poachers until the gamekeeper arrived.

Current Usage

Bullmastiffs are currently being used as both pets and working dogs. As pets, they are loyal, gentle and affectionate companions. As working dogs, they are used as guard dogs, search and rescue dogs and therapy dogs. They are also used as hunting dogs, tracking dogs and as assistance dogs for the disabled. Bullmastiffs are also used in law enforcement, as they are highly intelligent and have a strong sense of smell and hearing. They are also used in the military, as they are strong and have a natural protective instinct.

Guard Dogs

Yes, Bullmastiffs are known for their protective nature and make excellent guard dogs. They are loyal, fearless and have a strong instinct to protect their family and property. They are also very alert and can quickly sense any potential danger, making them an excellent choice for guarding homes, businesses and other properties. However, it is important to note that proper training and socialization are essential to ensure that they are well-behaved and do not become overly aggressive. read more >>

Where Are They Found?

Bullmastiffs are popular in many countries around the world, but some of the countries where they are most popular include:

1. United States6. France
2. United Kingdom7. Spain
3. Australia8. Italy
4. Canada9. Russia
5. Germany10. Brazil

These countries have a large number of Bullmastiff breeders, enthusiasts and owners who appreciate the breed’s loyalty, protective nature and gentle temperament.


Bullmastiffs are best suited to cooler climates. They have a short coat and are sensitive to heat, so they may struggle in hot and humid environments. They also do not tolerate extreme cold very well, so it is important to provide them with adequate shelter and protection during colder months. Overall, a moderate climate with mild temperatures and low humidity is ideal for Bullmastiffs. read more >>


It is difficult to determine the exact number of Bullmastiffs in the world as there is no centralized database or registry for this breed. However, according to the American Kennel Club (AKC), the Bullmastiff is ranked as the 51st most popular breed in the United States, which suggests that there are likely thousands of Bullmastiffs in the country alone. Additionally, the breed is recognized by kennel clubs and organizations in many other countries, including the United Kingdom, Canada, Australia and New Zealand, among others. Therefore, it is safe to say that there are likely tens of thousands of Bullmastiffs in the world.

Physical Appearance:

Bullmastiffs are large, muscular dogs with a square-shaped head and a short muzzle. They have a broad, deep chest and a thick, powerful neck. Their ears are V-shaped and hang close to their head and their eyes are dark and expressive. Bullmastiffs have a short, dense coat that comes in shades of fawn, red or brindle. They have a distinctive black mask around their eyes and muzzle. Overall, Bullmastiffs have a confident and imposing appearance, with a strong and sturdy build that reflects their history as guard dogs. read more and view all Bullmastiff images >>



Bullmastiffs can be fawn, red or brindle.

Hair/Fur Length:

Bullmastiffs have short, dense coats that are easy to groom. They have a short, smooth coat that is easy to maintain.


Yes, Bullmastiffs do shed. They shed moderately throughout the year and more heavily during the spring and fall. Regular brushing and grooming can help to reduce the amount of shedding. read more >>


The Bullmastiff requires minimal grooming. Its coat is short and dense and does not require cutting. Brushing once or twice a week is enough to keep the coat healthy and clean.


No, Bullmastiffs are not hypoallergenic. They shed a lot and produce a lot of dander, which can trigger allergies in some people. read more >>


Bullmastiffs are not known for their speed and typically run at a speed of around 32 to 40 km/h (20 to 25 mph). read more >>


Bullmastiffs are generally healthy dogs, but they can be prone to certain health issues. These include:

  • Hip Dysplasia: A condition where the hip joint does not form correctly, leading to pain and lameness.
  • Elbow Dysplasia: A condition where the elbow joint does not form correctly, leading to pain and lameness.
  • Bloat: A condition where the stomach becomes distended and filled with gas, which can be life-threatening if not treated quickly.
  • Heart Disease: A condition where the heart does not function properly, leading to fatigue and other symptoms.
  • Cancer: A condition where abnormal cells grow and divide uncontrollably, leading to tumors and other health issues.



Bullmastiffs typically have 42 teeth.


Bullmastiffs have a decent eyesight, but it is not their strongest sense. Their sense of smell is much more developed than their eyesight, which is why they were originally bred as guard dogs to track and apprehend intruders. However, their eyesight is still important for their overall awareness and ability to navigate their surroundings.


Bullmastiffs usually have six to eight nipples. The exact number can vary within this range, but six to eight is the general count for this breed.


Litter Size:

The average litter size for a Bullmastiff is six to eight puppies. However, some litters can range from one to twelve puppies.

Gestation Period:

The average gestation period for a Bullmastiff is approximately 63 days. read more >>


Bullmastiffs typically go into heat twice a year, with each heat cycle lasting around 3 weeks.

Male vs Female:

The most obvious physical difference between male and female Bullmastiffs is size. Male Bullmastiffs are typically larger than females, with males weighing between 110 and 130 pounds and females between 100 and 120 pounds. Males also tend to have broader heads and a more muscular build than females.

Behaviorally, male Bullmastiffs tend to be more dominant and territorial than females. They also tend to be more protective of their owners and more independent. Females, on the other hand, are often more affectionate and loyal to their owners. They may also be more willing to please their owners and more eager to learn. read more >>

Tips and Advice:

Here are some tips and advice for caring for a Bullmastiff:

  • Provide a balanced diet: Bullmastiffs need a high-quality diet that is rich in protein and nutrients to support their growth and development. Avoid overfeeding them as they are prone to obesity.
  • Regular exercise: Bullmastiffs require daily exercise to keep them healthy and prevent boredom. They enjoy long walks, hiking and playing in a fenced yard.
  • Grooming: Bullmastiffs have a short, dense coat that requires minimal grooming. Brush their coat once a week to remove loose hair and dirt. Bathe them only when necessary to avoid drying out their skin.
  • Training: Bullmastiffs are intelligent dogs that respond well to positive reinforcement training. Start training them from a young age to prevent any behavioral issues.
  • Socialization: Bullmastiffs are loyal and protective of their family, but they can be wary of strangers. Socialize them from a young age to prevent any aggression towards unfamiliar people or animals.
  • Health check-ups: Bullmastiffs are prone to certain health issues such as hip dysplasia, bloat and heart problems. Regular check-ups with a veterinarian can help detect any health issues early on.
  • Provide a comfortable living space: Bullmastiffs are indoor dogs that require a comfortable living space. They enjoy having a cozy bed and a designated area to relax in.
  • Supervision: Bullmastiffs can be stubborn and independent, so it’s important to supervise them when they are around children or other pets to prevent any accidents.
  • Love and attention: Bullmastiffs are affectionate dogs that thrive on love and attention from their owners. Spend time with them, play with them and give them plenty of affection to keep them happy and healthy.


Bullmastiffs typically eat between 2 and 3 cups of high-quality dry dog food per day, split into two meals. They are not particularly food-orientated dogs, but they do enjoy treats and can be prone to overeating if given the chance. read more >>


Bullmastiffs are a large breed of dog that were originally bred in England for guarding estates. Here are three interesting facts about them:

  1. They were bred to take down intruders without biting. Bullmastiffs were specifically bred to be able to apprehend intruders on estates without causing serious injury. They were trained to knock down the intruder and hold them until their owner arrived.
  2. They have a strong sense of smell. Bullmastiffs have an excellent sense of smell and are often used as search and rescue dogs. They can also be trained to detect drugs, explosives and even cancer.
  3. They are loyal and protective. Bullmastiffs are known for their loyalty and protective nature. They are great family dogs and will do anything to protect their loved ones. However, they can be stubborn and require consistent training and socialization.



When choosing names for Bullmastiffs, it is often suitable to consider names that reflect their strength, their loyal and devoted personality or their majestic and regal demeanor. Here are 15 names that would be a good fit for a Bullmastiff:

  1. Titan: A name that signifies strength and power, fitting for the Bullmastiff’s robust and commanding stature.
  2. Duchess: This name conveys elegance and regality, reflecting the Bullmastiff’s noble and dignified presence.
  3. Maximus: A name that represents the Bullmastiff’s strong and formidable character, symbolizing their powerful and dominant nature.
  4. Luna: Signifying serenity and grace, this name captures the calm and watchful presence of the Bullmastiff.
  5. Caesar: A name that embodies leadership and authority, befitting the Bullmastiff’s confident and protective instincts.
  6. Bella: This name conveys beauty and charm, perfectly matching the Bullmastiff’s captivating and majestic appearance.
  7. Tank: Reflecting the Bullmastiff’s solid and substantial build, this name symbolizes their strength and resilience.
  8. Stella: A name that signifies star-like radiance and presence, highlighting the Bullmastiff’s striking and imposing allure.
  9. Bruno: This name represents the Bullmastiff’s loyal and protective instincts, symbolizing their reliable and devoted nature.
  10. Athena: A name that embodies wisdom and courage, fitting for the Bullmastiff’s strong and fearless demeanor.
  11. Zeus: Signifying power and authority, this name represents the Bullmastiff’s commanding and dominant personality.
  12. Coco: A name that conveys sweetness and warmth, matching the Bullmastiff’s gentle and affectionate disposition.
  13. Duchess: This name conveys elegance and regality, reflecting the Bullmastiff’s noble and dignified presence.
  14. Thor: A name that signifies strength and might, befitting the Bullmastiff’s powerful and muscular build.
  15. Grace: This name symbolizes the Bullmastiff’s poise and elegance, reflecting their graceful and gentle nature.

These names capture the essence of Bullmastiffs, highlighting their strength, loyalty and regal presence. They provide a fitting identity for these noble and protective companions.


Over the years, several Bullmastiffs have gained fame for their remarkable achievements, appearances in movies and ownership by famous people. Here are some of the most famous Bullmastiffs of all time:

  1. Beasley – This Bullmastiff starred in the hit movie “Turner & Hooch” alongside Tom Hanks in 1989.
  2. Goliath – Owned by former NBA player Shaquille O’Neal, Goliath is a massive Bullmastiff who often appears in Shaq’s social media posts.
  3. Rufus – This Bullmastiff won Best in Show at the Westminster Kennel Club Dog Show in 2006, becoming the first Bullmastiff to achieve this honor.
  4. Major – This Bullmastiff served as the official mascot of the Marine Corps Barracks in Washington, D.C., from 2018 to 2021.
  5. Tank – This Bullmastiff is known for his incredible strength and agility, as he has been trained to pull a sled and compete in weight-pulling competitions.
  6. Bella – This Bullmastiff is owned by celebrity chef Gordon Ramsay and often appears on his social media accounts.
  7. Kato – This Bullmastiff is a therapy dog who has helped comfort victims of the Boston Marathon bombing and the Sandy Hook Elementary School shooting.
  8. Hooch – Another Bullmastiff who gained fame from the movie “Turner & Hooch,” Hooch was played by multiple dogs during filming and helped make the breed more popular among moviegoers.


The Bullmastiff is a large, powerful breed of dog that was originally bred in England in the mid-1800s. It is a cross between the English Mastiff and the Bulldog. The Bullmastiff is a loyal, protective and courageous breed that is known for its intelligence and strength. It is an excellent guard dog, but it is also gentle and affectionate with its family.

The Bullmastiff is a large breed, weighing between 110 and 130 pounds. It has a short, dense coat that is usually fawn, brindle or red in color. Its head is large and square and its muzzle is short and broad. Its ears are small and V-shaped and its eyes are dark and almond-shaped.

The Bullmastiff is a loyal and devoted companion that is very protective of its family. It is an intelligent breed that is eager to please and easy to train. It is also an independent thinker that can be stubborn at times.

The Bullmastiff is an active breed that requires plenty of exercise and mental stimulation. It is not a good choice for apartment living, as it needs plenty of space to run and play.

The Bullmastiff is an excellent family pet that is loyal, protective and loving. It is an intelligent breed that is easy to train and is devoted to its family. It is an active breed that needs plenty of exercise and mental stimulation. The Bullmastiff is an ideal pet for those looking for a large, loyal and protective companion.