Pitbull Mastiff Mix: All You Need To Know

A Friendly and Gentle Pit-Mastiff

Perfect for families that require the protection of a watchdog, the Pitbull Mastiff Mix is a tough pooch that is confident, obedient, and extremely intelligent. Owning one of these dogs is a huge responsibility because this pooch is a truly powerful crossbreed.

Their strength and demeanor alone are enough to take down a grown man. With that being said, they may look terrifying and scary but they are one of the most gentle and calm breeds you can get for yourself and your family.

Now, we all know that people can sometimes be a little biased by their bad reputation and history, but there is much more to this wonderful hybrid than meets the eye. Although they demand a lot of your time and patience, their attitude tends to make them great family dogs.

What is a Pitbull Mastiff Mix?

As the name suggests, the Pitbull Mastiff Mix is a cross between any Pitbull and Mastiff but the most common of them all is the American Pitbull Terrier and the Neapolitan Mastiff. This hybrid is soft, affectionate, and friendly and craves all the love and attention he can get.

Devoted to their family, they’re loyal and protective, and although on the large size they don’t mind getting onto your lap and cuddling on the couch. Originally bred for blood sports like bear-baiting, these dogs were used for their powerful and aggressive characteristics but this is no longer a popular practice as we all know.

Considering their history, these dogs are now quite the opposites of their aggressive and impulsive ancestors. They’re filled with love and are eager to please, friendly, and are exceptionally clever, which makes them easy to train.

While Pitbulls have recently been utilized for sniffing jobs, they are now commonly used as a companion and were even called ‘nanny dogs’. Mastiffs were used as guard dogs in England but are now also used as companions. This mixed breed is also called a Pit-Mastiff and has become quite popular in America.



Depending on the genes of its parents, the appearance of a Pitbull Mastiff mix can vary to some extent. It can also depend on the type of Pitbull and Mastiff used during the breeding process.

When it comes to pets, predicting its appearance is always good, and that’s exactly what you would get when it comes to this cross. Apart from being large, you can expect a muscular and well-built physique with a wide head.

They also feature a square-shaped nose just like the Mastiff along with a few wrinkles around their head. Their ears would be triangular and their legs sturdy and well defined.

Height & Weight

Owing to the genes that come from the Mastiff, the Pitbull Mastiff Mix can grow into a very large dog with time. You should know that a full-grown male Mastiff can grow up to weigh 230lbs, while the Pitbull only 60 or so.

Just like most hybrids puppies, the size and weight of the dog depend on their parent breeds. An adult Pitbull Mastiff mix can fully grow in just 18 to 24 months and weigh between 100 to 140 lbs. Truth be told, you can never predict the exact size of this crossbreed but be ready for a giant, especially if it’s a male.

Coat & Colors

The coat and color of any crossbreed mutt is the only predictable characteristic, and when it comes to a Pitbull Mastiff mix, you can expect a short and fine coat that comes in a range of colors. A Pit-Mastiff can feature a coat that is either brown, white, red, black, or brindle or it may just be two or three colors mixed or a solid color coat.

They could have markings on their face, similar to that of a Pitbull or the markings that resemble a black mask on their face like the Mastiff.

These markings could also be found on their chest and feet. In terms of their coats – they are pretty easy to manage and only need a good brush-up once or twice a week to keep them looking their best.


Pitbull Mastiff Mix Personality & Temperament

Just like the Pit-Mastiffs appearance, since this pooch is a crossbreed, it is difficult to predict the exact behavior of this dog. However, with any mixed breed, we look at the parents to get a better idea of what their offspring would be like.

Just like their parents, the Pitbull Mastiff mix is a loyal, affectionate, and friendly animal. Owing to their sweet and calm nature, they are considered as delightful companions and create strong bonds with their family members quickly.

Considering all of the above, it is always recommended that you train and socialize your dog from the start to make sure you can control his temperament and teach him how to behave around strangers, other dogs, and children.


As mentioned before, the Pitbull Mastiff dogs tend to create strong bonds with their families – this could however be an issue as they are prone to suffer from separation anxiety.

They do not fare well when left alone for long and end up becoming aggressive and destructive which means they will chew on anything they can find – your furniture and shoes being the easiest of targets.

If you are working during the day and do not have anyone to take care of your Pitbull Mastiff Mix then I highly recommend you look for another dog as this pooch will not fare well in such a situation. Yes, they are loving, sweet-natured, calm, and devoted, but that doesn’t include all of their traits.


As we all know Pitbulls and Mastiffs were originally bred as hunting dogs – this means they possess a protective and defensive trait that makes them great watchdogs. Just like its parents, the Pitbull Mastiff mix is vigilant and possessive over their families and are wary of strangers and guests.

Although they feature strong guard-dog characteristics that would make you feel safeguarded at home, you need to train them and socialize them to help them adapt to guests and other members of the family. They are not that great with other dogs so you should not get a Pitbull Mastiff mix if you already have a dog at home.


Is A Pitbull Mastiff Mix A Good Family Dog?

Pitbull Mastiffs possess an undeniable loving and caring nature and that’s what makes them great companions. However, owing to the large size of the dog, it is not safe for your child to be around them unsupervised.

However, if trained well and socialized properly, they would never hurt you or your child, but because of their size, almost anything can happen. They make great family pets and are known for their patience and calm, which is always a good thing.

Another factor that can also help is to teach your children basic dog body language and to give the dog space when required. It is best to supervise your child when they play with your dog. But overall, this pooch loves to get all the attention a big family can give him.

Caring for A Pitbull Mastiff Mix

Like I said earlier, taking care of a Pitbull Mastiff Mix is a huge responsibility. They should not be taken for granted – they’re large, they possess high energy levels and they do not like to be left on their own for long. So if you think you can manage these aspects, then only should you think of getting this hybrid.

Not only do you need to keep them on a strict diet, take them out for daily exercise and monitor their health issues, but you also need to know that they are not suited to apartment living and need space to play and run around. If you have an active family, then yes this pup is for you.

Furthermore, I would say this crossbreed would be best suited for a dog owner with previous experience in taking care of a larger breed.


Pitbulls are known for their energy and persistent disposition, but the Mastiff is more of a laid-back and low-energy dog. The best way to know whether your dog is ready for a walk or playtime is when they get anxious, restless, and destructive. Speaking of which, they need at least one hour of exercise every day to ensure they stay healthy and happy.

Keeping this in mind, the Pitbull Mastiff Mix is best walked on a leash, as they can get aggressive and are unpredictable around other pets and strangers. It is also important to know that since these dogs are larger as compared to other mixed breeds, you should not over-exercise them during their growing years.

They are also prone to suffering from gastric issues so you should prevent any playing, running around, or exercising after they eat. Also, make sure they do not eat too fast as this could cause indigestion.


Grooming & Shedding

Surprisingly, since their training and exercise needs are high, you would think their grooming requirements are too – but that’s not the case. You will be pleased to know that they do not shed as much owing to their short coats but you must brush them down regularly to keep their coats shiny and to promote the development of natural oils.

They also do not require regular baths but instead only when they smell or get too dirty. Another important factor you must know about a Pitbull Mastiff mix is they could inherit wrinkles on their face from the Mastiff. This needs regular cleaning and inspection to ensure they do not get any infection.

Other grooming needs include nail clipping and cleaning of the ears to prevent wax buildup. You should also brush their teeth regularly to prevent any dental issues.

Feeding & Diet

Just like all big breed dogs, the Pitbull mastiff mix also needs a healthy and nutritious diet. One that includes all the necessary nutrients, calcium, and proteins. Proteins help dogs get the essential amino acids they need, while fats give them energy.

However, the portion size of your dog’s meal depends on the weight and size of your dog. Since a Pitbull Mastiff mix is a large breed dog they would require almost double the amount which includes at least 4.5 cups of kibble for every 100lbs.

This should be split into multiple meals to help with digestion. It is always better to ask your vet for directions if you are unsure of the correct diet and portion size for your pet.

Known Health Problems

Cross-breed dogs are generally healthier than pure breeds. However some mixes, just like the Pitbull Mastiff mix could still inherit certain health issues from their parents. These issues include Hip Dysplasia which is common in large dogs, Gastric Torsion which causes Bloating, Kidney diseases, and Obesity.

However, these can be managed with proper exercise and a healthy and nutritious diet along with regular checkups at the vet.


How to Train A Pitbull Mastiff Mix

A Pitbull Mastiff is a clever and obedient dog but as we discussed earlier – crossbreeds tend to inherit mixed traits from both parents. With a Mastiff being more stubborn and determined, you could have issues while training them.

Therefore, you should have a lot of patience and calm to help keep your sessions fun and enjoyable. They need a firm and confident owner to control them properly if needed.

The best way to train a Pitbull Mastiff mix is by using positive reinforcement techniques. Avoid punishment and shouting as that could result in aggressiveness and behavioral issues. It is always recommended that you reward your pooch with a healthy treat when they obey your command.

Although they are friendly, loving, and caring, these dogs need to be socialized and trained from an early age. They should be exposed to new people, situations, and places to ensure they are can adapt comfortably.

Exposing them to other dogs from the start is also a good thing as they do not get along well during the later stages. Keep your training sessions short and sweet as these dogs can also get bored very quickly. Use stimulating toys and games to help them stay focused.

Quick Breed Summary Table

Breed Information
Size 25 to 30 inches
Weight 100 to 140lbs
Lifespan 8 to 12 years
Color brown, black, white, red, brindle
Coat Short and fine
Shedding & Grooming Low shedding and low grooming needs
Temperament Loyal, protective, friendly, intelligent, stubborn
With Other Pets Not good with other pets
People Skills Great with family but wary of strangers
With Children Good with children but better with older kids
Exercise Needs 1 hour of exercise daily
Food 4.5 cups of kibble every 100 lbs.
Known Health Problems Hip dysplasia, obesity, gastric torsion, kidney disease

All Things Considered

Best suited for active families with older children, the Pitbull Mastiff mix is an excellent family dog, if trained and socialized well and at the right time.

They are loyal and protective of their family members but wary of strangers, great with older children but not so great with other pets. However, they are intelligent and can be trained and taught how to adapt with time.

Not too difficult to take care of, this hybrid would make a great family companion. Don’t be alarmed by their bad history because with the right amount of affection and care, socialization and training, this dog would make one of the best pals you could ever ask for.

Caroline Jones

Caroline has been a dog lover since she was only 6 years old, when her parents got her a rescue Boxer. Since then her love for dogs has lead her to study Dog Behavior & Welfare. She now educates people on how to properly raise and care for dogs, through her online site, Bark Friend. Now, she's a proud owner of a beautiful German Shepherd.

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