Labrador retriever and mastiff mix

Labrador retriever and mastiff mix DEFAULT


Upper body shot - A black Mastador dog is sitting on a couch that has a colorful earthy throw rug over the top of it.

Shadow the Mastador (Lab / Mastiff mix)— "My name is Shadow and I am a black Labrador Retriever and an Old English Mastiff mix. My mother was the Old English Mastiff with a light brown body and a dark face and she weighed 90 pounds, and my dad was the black Labrador Retriever and weighed 70 pounds. I weigh 100 pounds at 14 months old. I was a rescue dog my family got from the Animal Rescue League when I was 8 weeks old. I was the "pet of the week" at a local radio station with my picture on their web site as the pet to adopt this week. All this happened when I was only 8 weeks old. My family got a copy of the web page for me. My family lives in Turtle Creek, Pa. I know that they love me very much, because they are always taking my picture and Mom shows them around at work and when she works nights I go for a ride and see some of the people she works with. They are so friendly. They are always checking on my growth. I continue to learn new things and get special treats for doing what I'm supposed to do. I loved the first time I went to the lake with my dad. I also saw my first turtle and he was fun. I like going for car rides, playing with other dogs and taking long walks in the park."

A black Mastador puppy is sleeping on a rug in front of a couch.

Shadow the Mastador (Lab / Mastiff mix) puppy at 8 weeks old on the first day in her new home.

A black Mastador puppy is standing outside in grass and looking down into a white cardboard box.

Shadow the Mastador (Lab / Mastiff mix) curious about what is in the box

A large playful looking black Mastador dog is laying in grass and there is a box turtle inside of its shell in front of it.

Shadow the Mastador (Lab / Mastiff mix) with the turtle she found.


Mastiff Lab Mix – A Complete Guide To The Mastador Dog

mastiff lab mix

The Mastiff Lab mix is a cross between the large Mastiff and the popular Labrador Retriever.

Most often, this mix results in a large adult dog that can weigh anywhere upwards of 50 pounds.

The Mastador is usually friendly, laid-back, and gentle. But, these dogs need lots of socialization and training to encourage the best personality.

Read on to find out if the Mastiff and Lab mix is right for your family.

What’s In This Guide

Mastiff and Lab Mix FAQs

Take a look at some of the most popular questions about the Mastiff Lab mix below.

What can you expect from the English Mastiff Lab mix?

Mastador: Breed At A Glance

  • Popularity: On the rise!
  • Purpose: Family companion
  • Weight: 55 to 130 pounds
  • Temperament: Gentle, friendly, loyal

Mixed breeds are only getting more popular. But, the Mastiff Lab mix isn’t well known yet.

Mastiff Lab Mix Breed Review: Contents

So where do these large dogs come from?

History and Original Purpose

There is some controversy surrounding the mixed breeding of dogs. Some people claim that it is important to keep dogs pure.

After all, purebred dogs are more predictable than mixed breeds.

However, mixed breed dogs benefit from a larger gene pool. This genetic diversity is called hybrid vigor and is known to exist among a number of species.

Simply put, the more genetic diverse an animal is, the less likely it is to inherit genetic disorders.

This makes Mastiff Lab mixes healthier than their parents in most cases, especially when the proper health tests are utilized. But back to the history of the mix.

The Mastiff Lab mix comes from two rather different parents. So, to really understand his background, we need to look at their two separate histories.

mastiff lab mix

Mastiff History

There are a number of Mastiff breeds, but the Mastador most often uses the English Mastiff.

The Mastiff family of dogs have a long history. In fact, they are thought to have existed as early as the 6th century BC.

Records of the English Mastiff in particular date back to 55 BC, to Julias Caesar’s invasion of England.

It is likely that Mastiffs were originally bred to fight lions and other large animals in the gladiatorial arenas. But, they were later used as both war dogs and hunting dogs.

The modern mastiff was not systematically bred until the 19th century when J.R. Thompson began producing them.

He purchased some Mastiff-type dogs from various sources and eventually created the breed we know today.

Labrador History

The Lab got its start quite differently. This breed originated on an island in Newfoundland, which is now part of Canada.

Labrador Retriever ancestors worked alongside fishermen to retrieve in the water.

English aristocrats brought these dogs across to England and worked to standardise the Labrador breed.

The Lab’s purpose soon changed to retrieve game on land.

But, today, these dogs have a more general working ability, and are most popular as a family pet and companion.

Fun Facts About Mastadors

As the Mastiff Lab mix is such a new breed, there are very few established facts about them.

But, we can look to the parents to learn some interesting facts! Here are our favorites:

  • Currently, a Mastiff holds the record as the largest dog in the world.
  • There is no maximum height for the Mastiff according to the American Kennel Club.
  • The Lab is the most popular dog breed in the United States and has been for 26 years.
  • Labradors are great swimmers, thanks to their water resistant coat, webbed toes, and origins working alongside fishermen!

Do you know any other fun facts we could add to our list?

Mastiff Lab Mix Appearance

Like all mixed breed dogs, you never really know what a mastiff lab mix is going to look like.

They could look very similar to a lab, very similar to a Mastiff, or fall somewhere in between.

It just depends on what traits that particular dog inherits from what parents.

So, you should make sure you’re happy with any blend of traits.

Mastador Size

A Mastiff lab mix could be about the size of a Labrador, or it could be incredibly large.

The size of the Mastiff plays a huge role here. Mastiffs don’t technically have a maximum size.

If the mixed dog’s Mastiff parent is huge, they could be too. But, if the Mastiff parent is smaller, they will likely be smaller as well.

The range spans from 50 pounds, to as big as 130 pounds.

We recommend checking on the weight and height of the mix’s parents for a better idea of what they could grow into.

Either way though, be prepared for a big, bulky dog.

Mastiff Lab Mix

Mastador Coat and Colors

Just like their size, the coat and colors of a Mastiff Lab mix will depend entirely on the genes your puppy inherits.

However, both parent breeds have a short, double coat. So, you can expect this in your puppy.

To get a better idea of how your puppy will look, examine the specific parents.

If you’re looking for a specific color or pattern, you may need to wait until the puppies arrive to choose.

Or, you can try to find an older Mastiff Lab mix.

Black Lab Mastiff Mix

By choosing a black Lab Mastiff mix, you’re likely to get the popular solid black coat.

However, Labradors come in three colors – black, yellow, and chocolate. Including diluted versions of these shades.

Mastiffs come in apricot, fawn, or brindle, with black face markings.

So, there is a risk that your black Lab Mastiff mix could inherit any combination of the parents markings, including patches of brindle or lighter coloring.

Mastiff Lab Mix Temperament

Both the Mastiff and Labrador are pretty laid-back breeds. They are known for their friendly, unassuming nature. Neither canine has a particularly strong prey drive.

The Labrador does like to chase things, but their “soft bite” prevents this from becoming a massive problem in most cases.

Because the Mastiff Lab mix is a mixed breed, they can inherit their demeanor from either of their parents.

Their temperament will be unknown until they reach adulthood. Because of this, training and socialization are essential.

Your mixed breed puppy will likely be affectionate and loyal. They are usually great with other pets and small children.

But, despite this gentle nature, their large size can be problematic with small children and pets.

This is yet another reason they must be trained and socialized well from a very young age.

Training and Exercising your Mastador

It is imperative that you begin training your Mastiff Lab mix as soon as you get them home.

These dogs can grow into gigantic creatures who often don’t know their strength.

Even though they might not mean to, it is very easy for them to injure someone by pulling on the lease suddenly or jumping up in greeting.

Luckily, both parent breeds are eager to please and often easy to train.

We recommend keeping training sessions short and sweet, especially if your dog appears to take after the Mastiff.

Due to their large size, they can tire from excessive training easily.

Don’t Over-Exercise

We also do not recommend encouraging your Mastiff Lab mix to run excessively, go on long walks, or jump until they are about three or so.

The Mastiff has a unique developmental pattern due to their huge size.

It is very easy for their growth plates to become injured due to excessive exercise.

Labrador parents are also prone to joint problems which can be made worse by too much exercise before they’re physically mature.

This does not mean that you should keep your pooch locked up, though. Socialization is crucial for all dogs. Just avoid long romps at the dog park.

Mastiff Lab Mix


Socialization is vital to get the best personality from your Mastador mix.

This process involves introducing your puppy to as many new people, animals, experiences, and things as possible before they’re 12 weeks old.

And, making sure all of their experiences are happy ones.

Proper socialization is important when you’re considering a large mixed breed like this.

Mastiff Lab Mix Health and Care

Like all dogs, the mastiff lab mix is prone to a few health problems.

To ensure that your canine lives a long and healthy life, it is essential to educate yourself on these potential problems so that you can catch them early and act if necessary.

Mastiff Health

Mastiffs are prone to bone cancer. This usually strikes them later in life.

As we have discussed briefly, Mastiffs are also likely to damage their growth plates.

This commonly takes place in puppyhood when they are exercising excessively.

To avoid this, we recommend only taking your Mastiff Lab mix on moderate walks and not encouraging them to jump or run excessively.

Other problems that can affect them include:

  • Progressive Retinal Atrophy
  • Canine Multifocal Retinopathy
  • Heart problems, like Mitral Valve Dysplasia

Labrador Health

Labs are prone to obesity. This can be a problem when you combine it with the overall massiveness of the Mastiff.

It is vital that you feed your puppy appropriately and not based only on appetite.

Labradors are prone to overeating, and it is possible for your puppy to inherit this as well.

Labradors are also prone to specific vision problems. PRA is the most common, but other inherited vision problems are possible as well.

Because these vision problems are inherited, it is possible for dogs to be tested for them before they are bred.

Hip and Elbow Dysplasia

One of the biggest of these health problems for both parent breeds is hip and elbow dysplasia.

Luckily, this disorder is treatable and lasting damage usually does not take place if it is caught early.

However, the best route is prevention. It is possible for breeders to X-ray both parent dogs before breeding them together to avoid hip and elbow problems being passed onto the puppies.

Choosing a reputable breeder that does this will minimize the risk of your puppy inheriting hip or elbow dysplasia.


Another problem that both parent breeds can suffer from is bloat, also known as gastric dilatation volvulus.

This is a problem that is most common in large breed dogs.

It occurs when a dog’s stomach fills with gas and then twists.

This health problem can happen suddenly, and can be fatal if not dealt with immediately.

Unfortunately, it cannot be tested for.

Are Mastadors Healthy Dogs?

Despite these problems, both of these dog breeds are generally healthy.

They do not suffer from only disorders caused by conformation.

In other words, they have not been bred for extravagant features that might cause health problems.

This makes them healthier than many other dog breeds and increases the likelihood of their puppies being healthy as well.

Choosing a reputable breeder is the best way to ensure your Mastiff Lab mix puppy is as healthy as possible.

Do Mastadors Make Good Family Pets?

The Mastiff Lab mix can make a wonderful family dog.

One of the biggest things to keep in mind, however, is their size.

They do get quite large. So, you should only adopt one if you are prepared to handle their large size.

They also require quite a bit of training.

But, if you have the time and space available, these dogs can make a great addition to your family.

Rescuing a Mastiff Lab Mix

Finding an exact mixed breed in a shelter can be difficult. But it is not impossible.

If you manage to locate a Mastiff Lab mix, there are a few key things you should do to help the adoption run smoothly.

Firstly, you should prepare for your new dog to take a while to adjust. Even though these dogs are large, they can be shy and nervous in new environments.

Secondly, when you adopt, your dog is often past that vital socialization period. So, they may be more likely to chase small animals and young children at home, or even show fear and aggression to certain things.

You should take extra caution when adopting a Mastador if you have small children or other pets at home. Ask plenty of questions to make sure your home is suitable.

Thirdly, remember to take your pooch to get a health screening as soon as possible.

This is important to ensure that there aren’t any problems with your dog’s hips or elbows before they get any worse.

We’ve left a list of rescue centers at the end of this guide to help you get started on your search.

Finding a Mastiff Lab Mix Puppy

Mixed breeds have picked up in popularity over the years.

But it can still be somewhat challenging to find a breeder that specializes in a particular mixed breed puppy.


While it might be tempting to purchase your puppy from a pet store or breeder, these dogs are almost never ethically bred and are prone to health problems.

We recommend taking the extra time to search for a breeder instead.

You can read more information about finding the perfect puppy here.

Raising a Mastiff Lab Mix Puppy

Every pet owner wants to get off on the right foot when it comes to caring for their puppy.

To make this happen, we recommend reading up on some basic puppy care principles before you bring your puppy home.

After all, it is always better to have the answers beforehand than to try and search for them in the heat of the moment.

Plus, by educating yourself, you’ll feel more confident in caring for your puppy.

Some owners may feel more confident enrolling in a Puppy Parenting course online!

Mastador Products and Accessories

This mixed breed is so unique that it can be challenging to choose the right products for it.

It may be easier to wait until your puppy has come home, so you can see which parent it takes after most. This will usually help your search for the right products.

We recommend reading our complete guide on healthy dog food.

And, while you’re at it, you might also be interested in our indestructible toy guide.

Generally, choosing products designed for large breeds is the best method.

Pros And Cons of Getting A Mastador

This unique dog mix can make a great family dog under the right conditions. Here’s a quick recap of this breed’s pros and cons.


  • Size, appearance, and temperament are unpredictable
  • Figuring out the right amount of exercise can be tricky
  • Large breeds like this can accidentally hurt small children or other animals
  • Will shed regularly


  • These dogs usually have a great personality
  • With proper socialization, they are friendly to young kids and other pets
  • Usually a very healthy breed
  • Each puppy will be unique

Still not sure if it’s the right mix for you?

Similar Breeds

Any mix that comes from a Labrador or a mastiff is going to be somewhat similar to this one.

Plus, of course, the purebred Mastiff and Labrador Retriever breeds are great considerations.

Here are some similar breeds you may also want to consider:

Which one is your favorite?

Mastiff Lab Mix Breed Rescues

Mastiff Lab mix rescue centers are hard to come by. But, you may find a Mastador in rescue centers for the parent breeds.

Here are some you can look at when starting your search.

If you know of any other great rescue centers, make sure to leave them in the comments to add to this list.

Is a Mastiff Lab Right for Me?

If you have the room and the time, these dogs can make great pets.

They are loving and loyal.

Just make sure you have the space before committing!

Do you own a Mastiff Lab mix? We’d love to hear about them so drop us a line in the comments below.

References and Resources

  • Chen, J. ‘Molecular Mechanisms of Polyploidy and Hybrid Vigor’, Trends in Plant Science (2010)
  • Smith, ‘New Concepts of Coxofemoral Joint Stability and the Development of a Clinical Stress-Radiographic Method for Quantitating Hip Joint Laxity in the Dog’, Journal of the American Veterinary Medical Association (1990)
  • Rowell, J. ‘Dog Models of Naturally Occurring Cancer’, Trends in Molecular Medicine (2011)
  • Vezzoni, ‘Proximal Tibial Epiphysiodesis to Reduce Tibial Plateau Slope in Young Dogs with Cranial Cruciate Ligament Deficient Stifle’, Thieme (2018)
  • Downs, L. ‘Genetic Screening for PRA‐Associated Mutations in Multiple Dog Breeds Shows that PRA is Heterogeneous Within and Between Breeds’, Veterinary Ophthalmology (2013)
  • Glickman, L. (et al), ‘Non-Dietary Risk Factors for Gastric Dilatation-Volvulus in Large and Giant Breed Dogs’, Journal of the American Veterinary Medical Association (2000)

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Mastiff Lab Mix Facts

Mastiff Lab Mix FactsAlpha Paw Sale

Table of Contents

  • 1 Lab Mastiff Mix
  • 2 3 Reasons Why You Shouldn’t Get a Lab Mastiff Mixed-breed
  • 3 3 Reasons Why You Should Get a Mastiff Lab Mixed-breed
  • 4 Appearance, Personality, and Traits of a Labrador mixed with Mastiff
  • 5 Mastiff mixed with Lab Puppies For Sale
  • 6 Grooming Your Lab crossed with Mastiff
  • 7 Mastiff crossed with Lab Health Problems
  • 8 Labrador crossed with Mastiff Food Requirements
  • 9 Mastiff crossed with Lab Exercise Requirements
  • 10 Labrador Mastiff Mix Training
  • 11 Mastiff Labrador Mix and Families
  • 12 References:


Lab Mastiff Mix

The Lab Mastiff Mix is a giant hybrid that results from combining a Labrador Retriever and an English Mastiff. Like most other breeds, its exact origin is not well-defined. It is unclear whether the mixed breed was intentionally combined together or if the original Lab Mastiff Mix was made by accident. However, it’s widely believed that this crossbreed has originated in the United States.

Meet the parents! The Labrador Retriever has its roots in Newfoundland, now a part of Canada. Fishermen preferred this breed as they would provide great help in tugging nets and towing carts filled with fish. The original Labradors were smaller than the ones we have today. They were bred with larger hunting dogs which gave birth to the modern day Labs.

The other parent, the English Mastiff, has an extensive history. They were believed to exist as early as the sixth century BC where they were used as war dogs and patrols. It was in the 18th century when dog fighting was ceased that resulted in their drastic transformation from being fighters to companions.

Combining these two you get a hybrid having which is as affectionate and brave as the Mastiff and as active and outgoing like the Labrador.

3 Reasons Why You Shouldn’t Get a Lab Mastiff Mixed-breed

  • This mixed breed needs to be trained head-on.

These gigantic hybrids can grow up unaware of their strength. They can unintentionally injure someone by jumping on them in a greeting or by pulling on the lease. Training and socializing them as soon as they get home is a must.

  • This mixed breed needs an extra budget for food.

Since it is a large and active dog, this hybrid requires around 3.5 cups of food each day to fuel its energy. You must be ready to spend extra bucks on providing the Lab Mastiff Mixed-breed with high-quality to maintain its sound health and to feed its energy.

If you are living inside an apartment, then this mixed breed is not for you. The Mastiff Lab mix needs ample to live and move around comfortably. You should only consider getting this hybrid if you have a relatively large backyard. Make sure that it’s also securely and adequately fenced. They are excellent jumpers and can escape in a breeze!

3 Reasons Why You Should Get a Mastiff Lab Mixed-breed  

  1. This mixed breed can make good watchdogs.

You can bet on this mixed breed if you are looking for a watchdog and guard dog. They bark in a very loud, clear and deep voice that will surely alert you of any stranger or possible harm lurking around. The hybrid has a spunky personality and known for its willingness to do anything to protect their owners out of danger’s reach.

  1. This mixed breed tends to go well with kids.

If socialized properly at a young age, this mixed breed can get along with your kids well. They have playful instincts and friendly personalities that can quickly match kids’ who likes to run around and play modest games.

  1. The mixed breed’s size tells otherwise.

Don’t let their big size intimidate you. This hybrid Mastiff bloodline makes it inherit its classic “gentle giant” personality. With proper training, they quickly become well-behaved and peaceful and will only step in if harm threatens.

Appearance, Personality, and Traits of a Labrador mixed with Mastiff

Weight100-200 pounds
Height25-36  inches
Coat TypeShort
Coat ColorMixed Colors
Amount of SheddingLittle
EyesBlack or Hazel
NoseBlack or Brown
TemperamentCourageous, Loyal, Affectionate, Active
Life Expectancy10-15 years
Kids FriendlyYes
New Owners FriendlyNo
Breed RecognitionACHC, DRA, IDCR, DBR

The Lab mixed with Mastiff has an athletic build with profound structure and long legs. They can weigh anywhere from 100 to 200 pounds and can be as 25 to 36 inch tall. Those hybrids where the dominant gene comes from the Labrador Retriever tend to be taller while those whose most genes came from the Labrador Retriever tend to be bulkier and more massive. They can easily outweigh an average person once they have fully grown.

Their eyes are almond-shaped which color may vary from hazel to black. Their ears are triangular-shaped which are usually adapted from their Labrador Retriever bloodline.

This hybrid comes in six various colors: red, fawn, brindle/fawn, brindle/red, fawn/red, and brindle/fawn/red. The mixed breed usually features a black face musk due to the Mastiff genes. Its nose color can either be black or brown.

When it comes to their personality, the Lab mixed with Mastiff is very affectionate. Their human-friendly temperament and calm nature make them a good fit for most families. They love children, but their size might not suit ‘super’ young ones as they can easily harm without any intention to do so. You must socialize them early with kids and teach them how to play around with them safely.

The same thing goes with other household pets or animals you want this dog to be with. Early socialization is imperative.

This hybrid won’t disappoint you if you want a watchdog for your family. They have a great sense of smell and have a deep, startling bark that can scare an intruder.

The Lab mixed with Mastiff is known to be a ruthless protector for their owners and will do anything to save them from harm. Don’t confuse this with aggression though. They will only take action if they sense that real danger is lurking around. Once they know that their families are safe, they will be relaxed and calm.

They are outgoing and love to participate in family activities. While they can withstand being left alone relatively longer than other breeds, it is still not advisable to keep them by themselves far too long as to avoid boredom and separation anxiety. A bored Lab mixed with Mastiff can display destructive behavior.

Mastiff mixed with Lab Puppies For Sale

A Mastiff mixed with Lab puppy usually costs around $800 and $2000. The price will vary based on the location, age, and health of the puppy, breeder’s reputation and the demand for the mixed breed at that time.

Kindly research first before purchase to ensure the breeder’s credibility. A good breeder will always take care of the dog’s interest first over profit.  A good sign that you are dealing with a responsible breeder is when he automatically gives you proofs of the health status of the pups and its parents. They will usually give you a heads up if the puppy has inherited any genetic disease from the parents.

A credible breeder will also ask for several questions such as what exactly you are looking for, house space, and area, budget and lifestyle to see to it that you can manage taking care of the dog. When he seems to do everything in a hurry, then, you may consider finding another breeder.

It t is best to visit personally meet the breeder. Through this, you can check if the puppies are healthy and happy if they come from parents in good condition. You will also have the opportunity to ask further questions to the breeder to measure if you are fit and capable of taking care of this particular type of dog.

Remember, don’t purchase from dog farms or mills. Dogs are inhumanely bred in these areas for the sake of money. Animal organizations also don’t suggest purchase dogs online as you’ll never know where they came from. It is great to personally meet your furry friend first before buying him or her.

Remember, the best choice is still getting a get a cross-breed pup at a rescue or animal shelter.  The fulfillment you’ll get knowing that you have saved the life of a homeless dog is invaluable. It would surely make him feel great once you let him a part of your family.

Here are some recommended sites that you may check for available Lab mixed with Mastiff dogs or pups:


Grooming Your Lab crossed with Mastiff

One of the advantages of this mixed breed is that it doesn’t require heavy grooming. The Lab crossed with Mastiff has a natural smooth coat that is low maintenance and will only need moderate brushing. Brushing helps spread natural oil to their coat and removes loose hairs to promote new hair growth. However, they are not hypoallergenic which is why vacuuming your home once in a while is a must.

Bathing them can also be challenging due to their large size. Imagine, having to wash a 100 to a 200-pound dog! This task wouldn’t be easy and may consume much of your time. The shower should be done in your backyard using a water hose.

If possible, you may take them to a professional groomer instead that has a designated facility for bathing larger breeds. If not, don’t worry. Their oily skin coat makes it easier for them to remove dirt and water. You may take your dog out for a swim instead or splash in the water. More often, it’s enough to keep his coat fresh and clean. Ideally, a monthly bath is good enough for this hybrid.

Make sure to clean their ears regularly to avoid infections. They love playing in the water, and their long droopy ears make them more vulnerable to wax build-up and infections in the auditory canal. Their ears must be checked and cleaned through at regular times to avoid major issues.

Brush their teeth at least twice per week to improve oral hygiene. Due to their active personality, their paws should also be cleaned regularly. Their nails must be trimmed if needed.

Mastiff crossed with Lab Health Problems

The Mastiff crossed with Lab has a typical lifespan from 10 to 15 years. Generally, this hybrid is vulnerable to ear infections due to their ear structure. Gum infections may also kick in and can also impact their oral health. Both of these can be prevented by regular cleaning.

Remember that all breeds are prone to developing more severe and specific health problems.  With a hybrid, it’s harder to expect which diseases may come in from the parents’ bloodline.

If you’re a potential owner of the Mastiff crossed with Lab, here’s a list of the following diseases that affect both parent breeds you should be aware of:

  • Hip Dysplasia: This disease commonly affects the larger breeds. It happens when the ball and socket on the dog’s hip do not grow correctly. Thus, results in the rubbing of the joint and prevents it from sliding naturally. Deterioration occurs through which may lead to the total loss of the joint’s function.
  • Progressive Retinal Atrophy: This is an eye disease that happens when the retina malfunctions and fails to reflect, absorb, and perceive light which can, later on, cause blindness.
  • Gastric Dilatation and Volvulus (Bloating): This is a life-threatening condition that affects large dogs. This disease happens when a dog’s stomach gets filled with food, fluid or gas making it expand. The stomach then puts pressure on other organs may cause dangerous problems such as a tear in the wall of his stomach, difficulty in breathing or reduced blood flow in the heart. It is essential to split their total food intake into multiple smaller meals throughout the day rather than letting them eat it at once.

Other common diseases are:

  • Arthritis
  • Osteoporosis
  • Heart Disease

It is advisable to have your mixed breed undergo regular check-ups to rule out any condition the soonest time possible.

Labrador crossed with Mastiff Food Requirements

The Lab crossed with Mastiff is a massive dog that will require roughly around 2-1/2 to 3 cups of dog food daily as a puppy. Offer them either the best puppy food brands or the best dry dog food for small dogs to meet their calorie requirements. Once full-grown, you may need to provide them up to 3.5 cups of the best large breed dry dog food to keep them healthy. Try to avoid feeding them with the worst dry dog food at all cost, as it can trigger allergies or severe digestive issues, including poisoning! This is particularly important for elderly dogs, whose health depends on the essential nutrients from their diet — you’ll find all they need in the best senior dry dog food available at the moment.

Lab Mastiffs’ meals should be distributed into two to three feedings throughout the day to avoid digestion issues. Be sure to control the servings to prevent overfeeding.

This hybrid also has an appetite for raw food. You can provide them fresh food rich with calcium and phosphates to strengthen their bones.

Avoid feeding them food with high calorie or fat as this can make them sloppy and unhealthy. Make sure to provide this mixed breed only the best dry dog food that can help them reach their daily protein needs.

Here is a list of dog food brands are good for your Lab crossed with Mastiff hybrid:

  • Wellness Core Dog Food
  • Dog For Dog Food
  • Nutra Thrive dog food supplement
  • Eagle Pack Natural Dry Dog Food: Using both chicken and protein as its high-quality protein sources, this dog has been proved to provide large dogs like the Lab Mastiff mix with the nutrition they require. Its fat and protein content has been well-calculated to maintain mass and lean muscle. Flaxseed, barley and brown rice are used as a carbohydrate source. Various vitamins, mineral, and antioxidants are also blended to help keep your dog’s immune system healthy.
  • Royal Canin Adult Dry Dog Food: This dog food is precisely made for a larger breed. It contains MOs and L-carnitine that helps in the building of antibodies. It also nourishes the skin and coat through its DHA and EPA content. Brown and brewer’s rice and chicken fat are two of its major ingredients.
  • Wellness CORE Grain-Free Dry Dog Food: This dog food offers high protein content and fewer carbohydrates. It is made from deboned turkey, turkey meal, and chicken meat. It also contains numerous protein sources good for your dog’s muscles. It is also rich in antioxidants, omega fatty acids, and probiotics.
  • Taste of the Wild Pacific Stream Grain-Free Dry Dog Food: This dog food gets all its protein content from fish, making it rich in omega acids that help skin and fur healthy. Your dog will surely enjoy its distinct flavors from salmon, legumes, vegetables, and fruits.

Mastiff crossed with Lab Exercise Requirements

This hybrid is large and robust. Regular exercise is needed to use up their excess energy and for keeping them in the right health.

The lack of exercise would not make them aggressive and make them go back to their docile status. However, this won’t do good for your dog. Their big body structure must be adequately maintained to keep it healthy.

An hour of walk each day is enough to keep this mixed breed’s health and mind in sound condition. However, strenuous activities, like jumping or leaping, should be moderated to avoid issues like bone stress or worst, fractures.

This mixed breed is also not demanding when it comes to finding the right place for playing. Your Mastiff crossed with Lab will enjoy different activities both indoors and outdoors. If the weather is too cold for them, they’ll happily play with you inside your home. Should you decide to go outside when weather is favorable, might as well challenge this hybrid by using equipment or toys.

Here a list of durable toys that will surely make your dog have a fun time playing:

  • Jolly Romp and Roll Ball: This very durable dog toy is ideal if you want to play fetch. It is easy to grip and throw, and easy to retrieve or carry for your hybrid. This ball will not deflate and is firm to withstand strong bite pressure from bigger breeds like the Lab Mastiff mix.
  • KONG Extreme Dog Toy: Coming from one of the most trusted brands when it comes to dogs toys, your dog will surely love this sturdy rubber contraption. You can use this to play fetch or fill it with a treat and make your dog busy munching it down for hours.
  • Goughnuts — Indestructible Chew Toy MAXX: This is one of the toughest and most durable chew toys for dogs on the market. It is made of natural black rubber and intended for use only by the strongest of power chewers. Perfect for your Lab Mastiff mixed breed.

Labrador Mastiff Mix Training

This mixed breed is generally smart and training them should a piece of cake if you know how to execute it properly.

At an early age, the training should be easy and fun for both of you. This is the time where you should focus on socializing your dog with your kids, environment, other dogs, pets or animals you want your dog to be familiarized with.

This mixed breed always wants to please their owners, and their smartness allows them to learn tricks faster. Don’t worry putting him into rigorous training as his Labrador bloodline can back you up. They respond significantly with obedience training and can absorb all house rules in no time.

However, be reminded that this mixed breed possesses great physical and mental strength coming from its Mastiff lineage. You should be cautious and be firm. If you are unable to show him that you’re the pack leader, your dog might take control.

Through proper training and socialization, you develop this mixed breed into an affectionate, friendly and well-behaved dog.

Mastiff Labrador Mix and Families

If you have the energy, time and space, then, you should consider having a Mastiff Lab Mix in your family. They may be large, but through proper training and socialization, they tend to go well with kids, pets or other animals.

They can also be a great family pet for you. They are good watchdogs, and they’ll do anything to protect you once they sense that real danger looms around.

Just make sure to love them with genuine care, love and attention, you ’ll find an affectionate and loyal friend in a Mastiff Lab Mix.


  1. Davison, L.j., et al. “The CaninePOMCGene, Obesity in Labrador Retrievers and Susceptibility to Diabetes Mellitus.” Journal of Veterinary Internal Medicine, vol. 31, no. 2, 8 Feb. 2017, pp. 343–348., doi:10.1111/jvim.14636.
  2. Zhang, Shuang, et al. “Characteristics and Multi‑Lineage Differentiation of Bone Marrow Mesenchymal Stem Cells Derived from the Tibetan Mastiff.” Molecular Medicine Reports, 15 June 2018, doi:10.3892/mmr.2018.9172.
  3. Walton, Joel, and Eve Adamson. Labrador Retrievers for Dummies. Wiley Publishing, 2007.
  4. Lima-Netto, Christina de. Mastiff. Kennel Club Books, 2009.
Alpha Paw Sale
11 Month Old Mastiff/Lab Mix works on Place Command - Off Leash K9

mastiff laying downchocolate labrador

The Mastiff Lab Mix dog, also known as the Mastador dog, is a giant cross-breed dog that results from cross-breeding a Mastiff [1] and a Labrador Retriever [2].

The Mastador is officially recognized as a mixed breed dog by the following organizations.

  • American Canine Hybrid Club (ACHC)
  • Designer Breed Registry (DBR)
  • Designer Dogs Kennel Club (DDKC)
  • Dog Registry of America (DRA)
  • International Designer Canine Registry (IDCR)

Lab Mastiff Mix Appearance

Size, Height & Weight

On average, this breed is an extremely large sized dog that will stand anywhere between 28 to 36 inches tall, and will weigh anywhere from 100 to 200 lbs, which is absolutely gigantic for a dog.

mastiff laying down

At just around the 6-7 month mark, Mastador puppies will tend to weigh anywhere between 50-60 lbs! This dog can weigh more than many humans once full grown!

And this huge size is most certainly no surprise, as one of the world’s largest dog breeds, the Mastiff, is one of the two parents involved in this mix.


The coat of the Mastiff Lab Mix is a fairly short and smooth one that comes in all sorts of solid colors, most common of which being white, silver, gray, yellow, golden, brindle, brown and black.

Mastador Dog Temperament


First off, a very important thing must be noted and made very clear.

Please don’t let the big size of this pup intimidate you into thinking it’s not friendly.

Just like you could have a conversation with that buff, 250+ lbs dude at your local gym only to find out that they’re one of the friendliest people you have ever met after they used to intimidate you, the same will happen with the Lab Mastiff Mix.

A very positive thing about this cross breed is the fact that it can handle longer periods of time being left alone much better than other dog breeds.

If you’ve read a couple or more articles about pure-bred dogs or other mixed-breed dogs, you’ll probably have come across the notion many times that canines that are left alone for long periods of time will develop separation anxiety.

This is still true when we’re talking about this breed, but the good news is that the time left alone that they can withstand before starting to show symptoms of separation anxiety is relatively longer than those other dogs you always read about.


When it comes to training the Mastiff Lab Mix, we wish we could say that it’s one of the easiest pets to train, but unfortunately it isn’t.

The good news is, though, that it isn’t one of the hardest dogs to train either.

puppy in grass

Even if you get the best professional trainer out there, the progress you will see when training this dog will be relatively slower than the one you would be seeing with other breeds that are easier to train.

One of the hardest parts of training this mix that you will face is when they’re still a young puppy, because of the fact that Mastadors are SO hyper and SO excited all the time, that it’s a full-time job in and of itself trying to calm them down so that you can teach them a thing or two.

Exercise & Physical Activity

Being the gigantic sized-dog that it is, the Labrador Mastiff Mix must be exercised enough on a day to day basis in order to maintain its physical health as well as mental sanity.

If you don’t give this canine the exercise it needs to get on a daily basis, your dog will very soon stop being a dog and transform into an elephant because of all the food they’re eating and no physical activity to burn it off. (Alright, we’re joking obviously, but you get the picture!).

The Mastiff Lab Mix is certainly no stranger to physical activity, as it’s very well known to excel in the following activities:

  • Guarding
  • Hunting
  • Agility
  • Tracking
  • Search and rescue
  • Detection work

Of-course, the absolute most basic form of exercise you should be giving this pup on a daily basis is 1-2 walks, preferably to the dog park where they can enjoy the environment around them and get a breath of fresh air.

Watchdog & Guard Dog

As far as relying on this animal to be your home’s watchdog and guard dog, you can put your money on them and they most definitely won’t disappoint you.

Not only will they bark very loud and clear in a fairly deep voice to alert you of any stranger nearby that shouldn’t be wherever they are and shouldn’t be doing whatever they’re planning to, this breed is also known to be a ruthless and fearless protector when it comes to its family, meaning that they won’t stop at anything when it comes to keeping you out of harm’s reach.

mastiff on guard

This very brave personality and willingness to do whatever it takes to save you or your family members from danger should NOT be confused with aggression.

Aggression is when a canine is willing to attack other people or other animals for no specific reason or without any of them being at fault, and this dog is nothing like this.

The only time the Mastiff Lab will take matters into its own hands (or paws in this case) is when real danger is looming around you or anyone else this dog cares for.

Mastador Dog Health

– Bloating – which means that you should split their daily food intake into multiple smaller meals rather than one huge meal that they eat once a day.

This way, there’s way less stress on their digestive system and they can process everything in a much easier way.

– Arthritis

– Eye problems and infections

– Ear infections

– Heart disease

– Skin disease

The Labrador Mastiff Mix is expected to live a lifespan that lasts anywhere from 8 to 14 years, with Mastadors that lead healthy lives and are properly taken care of by their owners leaning towards the higher end of that spectrum.

For a dog as big as this, this lifespan is just about the average number you’ll always see.

Preferred Living Conditions

As far as getting along well with your kids goes, this dog is known to be a fan favorite among families that are looking for animals for their kids to play around with, thanks to their very friendly personalities and their playful instincts that go hand in hand with that of little kids that love nothing more than to run around and play innocent games.

However, please make sure that any full grown Mastiff Lab Mix dog that wants to play around with your kids has been socialized at a certain stage in the life.

We say this because this cross breed is an absolute giant of a dog, weighing anywhere from 100-200 lbs, meaning that if they weren’t socialized in life and didn’t learn how to safely play around with kids before, then you could be putting your kid’s safety at danger if this pup wrongfully uses its size and power.

And the same goes for any other animals and household pets you plan on having this dog play around with. Socialization [3] is an absolute key factor here.

If you’re not very comfortable with having an animal this size around your little kids, that’s perfectly understandable, and we’ve seen many people that have refrained from their decision to add one of these dogs to their family because of this issue.

These people preferred to get a smaller canine home for the time-being, and add one of these dogs to the family when their kids are all grown up and can properly take care of and protect themselves.

Also, if you’re thinking about getting this breed to live in an apartment, FORGET ABOUT IT.

There is no way that a dog this size will be able to comfortably live and move around in an apartment, so don’t even bother trying with that as you’re only going to be wasting your valuable time and money in the process.

You should only consider getting one of these dogs home if you’ve got a fairly large backyard where this pet can call it their home.

large backyard

You should also make sure that your backyard is properly fenced with a very high quality fencing system, because if it’s fenced with something poor, good luck preventing this dog from making its way out in a breeze!

The Mastador is known to be a very good jumper, so don’t invite them into doing something like this that they excel in.

As for what weather this dog does best in, the Lab Mastiff Mix dog is known to do best in relatively warmer weather than colder weather climates, due to the fact that they have a short coat that doesn’t keep them warm during cold times.

Mastiff Lab Mix Care

To start this section off, it should be made clear that this animal is best off being fed a diet that consists of high quality, premium dog food that’s specifically designed with a formula for large breeds.

There are many dry dog food options out there for many different sized dogs, and the best option for this dog is the large dog breed formula.

Watch this video to learn more about the best diets for large breed dogs!

Moving on to talk a little bit about taking care of this canine’s coat, you won’t have to brush the Mastiff Lab Mix’s coat on a strict and very frequent basis as they aren’t heavy shedding dogs.

On the contrary, this animal is known to be a very low shedding dog, so doing so on a light schedule is more than enough to take care of their coat, maintain its quality and keep that beautiful shiny look going on.

As such, this is an excellent pet for you if you’re allergic to animals that shed a whole lot.

Now comes the tricky part about grooming this dog, and that’s bath time.

Why tricky you ask? Well, if you think bathing a 100-200 lbs dog is as easy as bathing one that’s 20-30 lbs, you’re very wrong about that.

This mix should only be given a shower when the need arises, and the shower should either be given to it in your backyard while using something like a water hose, or by you taking them to a professional groomer that has a designated area for showering dogs as big as this.

This is one of the things that most Mastiff Lab Mix dog owners complain about, the fact that showering this dog takes up way more time than it does with other smaller sized pets.

As for the other grooming needs this dog has, their teeth should be carefully brushed about 4 times a week, their ears should be checked and properly cleaned around once every week, and their nails should be trimmed just when they start to grow more than they should be.

Finally, it should be noted that this dog tends to get its eyes dirty very frequently, something which can easily lead to eye infections if their eyes aren’t properly checked on and cleaned on a frequent basis.


1. Mastiff Dog Breed Information

2. The Labrador Club

3. How to Socialize your Mastiff Puppy


Mix labrador mastiff retriever and

The Mastador – Mastiff Lab Mix Top Facts & Complete Guide



What do you get if you cross a Mastiff with a Labrador Retriever? A Mastador!

A Mastiff Lab mix, the Mastador, is a lovable hybrid dog. This powerful and large dog would make a good guard dog or a protective family pet. The Mastador may look like a big fearsome dog but it can be very affectionate and playful when trained properly.

This mixed-breed dog is sometimes called a:

  • Mastiff Labrador mix,
  • Labrador Mastiff mix,
  • Lab Mastiff mix,
  • Mastiff and Labrador Retriever dog,
  • Mastidor,
  • Massador,
  • Mastadore,
  • Mastidoor,
  • Mastodor
  • or the Mastador Labmaraner mix dog.

The appearance of this crossbreed dog depends on how much it inherits from each parent breed. The Mastador will normally have a solid and muscular body like the Mastiff, a broad head like the Labrador Retriever, and a short-length, shiny double coat.

The Mastador dog is energetic and muscular therefore early behavioral and socialization training is strongly recommended, for this Mastiff mix, to enable it to show its protective nature, in a positive way.

A Mastador puppy is a stunning example of a crossbreed dog.


A brief history of this mixed-breed dog

A Mastiff Lab mix is a cross between a purebred mastiff dog and a purebred Labrador Retriever dog.

When two different dog breeds are deliberately mixed, the crossbreed is known as a designer dog; this huge Mastiff and Labrador Retriever hybrid dog is sometimes nicknamed a ‘Massive-dor’.

Meet the Parents: The parents’ breed history:

Parent 1: History of the Mastiff – purebred dogs

Fact: a ‘mastiff’ is not one breed of dog; it is an umbrella term for a group of dogs with similar sizes and stature. There are at least 18 different types of mastiff dogs.

Did you know that the Great Dane dog is actually a German mastiff?

The English Mastiff is possibly the oldest of the known mastiffs dating back to Julius Caesar times, around 55 BC. While in England he was so impressed with the strength and protective ability of the English Mastiff that he took some back to Rome and began breeding them as guard dogs and fighting dogs for blood sports. They were even used to fight Gladiators.

Fun Fact: The World’s heaviest dog, recorded by the Guinness Book of World Records in the 1980s, was Zorba, an English Mastiff purebred who weighed 343 pounds (156 kilos!).

The Bullmastiff: originated from crossing an English Mastiff with an English Bulldog. After several generations, the Bullmastiff was officially recognized as a purebred in the 1920s, in the UK, as a dog breed in its own right, and then in 1930, by the American Kennel Club (AKC) in the United States.

The Bullmastiff is not as popular as the English Mastiff that ranks 29th on the American Kennel Club (AKC) rankings. It is gaining in popularity as a purebred and currently is ranked the 51st most popular dog in the United States by the AKC.

The Bullmastiff was given the nickname of ‘The Gamekeepers’ Night Dog’ as it was used by gamekeepers on English aristocratic country estates in the UK, as a watchdog to keep poachers away at night, or to catch them!

These two different Mastiffs are similar but with a few noticeable differences:

The Bullmastiff is slightly smaller than the English Mastiff, although both are still huge dogs. The Bullmastiff is more independent, not as needy as and more stubborn than the English Mastiff.

This Mastiff purebred dog is a massive, heavy-boned dog with a symmetrical build and a short, double coat. It is courageous and strong, but it’s a gentle giant that will want to protect all those it holds dear.

It is patient and loyal and will make a great companion or family dog, but it will be wary of strangers.

With its big sad-looking eyes and wrinkled face you will just want to give it a big hug, and probably get a big lick in return!

Mastiffs typically have a coat color of apricot, fawn, or brindle with a black mask, and big feet!

Parent 2: History of the Labrador Retriever – a purebred dog

The Labrador Retriever is the World’s best-loved and most popular dog breed and makes a great family dog.

It has a solid double coat in one of 3 colors; pure black, chocolate brown, or yellow. The Lab is a loveable dog breed for any experience of dog owners.

The Labrador Retriever dog breed is from Newfoundland, Canada, and was used by fishermen to retrieve their fish from nets and catch any that escaped back into the sea. They are good swimmers and have a gentle mouth grip that will not further destroy any prey they are ordered to retrieve.

This dog breed came to Great Britain around 1830, to be used as gun dogs for retrieving waterfowl from land and water, in Scotland and England.

The Labrador Retriever is ranked the No1 most popular purebred dog in the United States by the American Kennel Club (AKC). It’s easy to see why.

The lab is a gentle, fun-loving, and loyal family dog with an easy-going temperament.

A Labrador Retriever Puppy is just adorable, and when trained and socialized it can be trusted around anyone.

Meet the offspring: The Mastiff Lab mix

The designer dog offspring of these two purebred dogs is a Mastiff Labrador mix – the Mastador puppy.

Designer breeds gained popularity in the United States during the 1990s and this increased demand and popularity for cross-breed dogs such as the Mastiff Lab mix.

The Mastador puppy is a hybrid, and as a mixed-breed dog it is not recognized as a breed in its own right, by the American Kennel Club; nor can it be awarded pedigree papers.

As a designer breed from two purebred parent breeds – the Mastiff Lab mix is recognized as a mixed breed dog by several other kennel clubs:

Dog Registry of America (DRA), American Canine Hybrid Club (ACHC), Designer Breed Registry (DBR), Designer Dog Kennel Club (DDKC), International Designer Canine Registry (IDCR).


The Mastiff Lab mix – Colors and pattern

As the Mastadoris a cross-breed dog, its appearance will be more difficult to predict than a purebred dog.

However, considering the parent breeds there are only a few likely coat colors including Brown, Black, Yellow from the Labrador and Fawn, Red, or Brindle from the Mastiff mix. Occasionally, but rare the coat color can be Silver or Charcoal Gray.

The coat of the Mastador breed is likely to have one solid coat color, but if light-colored or brindle it may have the classic black mask and it can have a white chest and white paws.

The Mastador dog is not hypoallergenic and will shed moderately.


What are the main characteristics of a Mastador?

Any crossbreed dog, like the Mastiff Lab mix, could inherit the characteristics and the health problems and health concerns of either parent breed; or perhaps the best of both and be stronger and inherit fewer health problems than their parent breeds.

Fact: Not all mixed breeds inherit 50% of their characteristics from one parent and 50% from the other.

With any mixed-breed dog, you just have to wait and see how it turns out, however you know that this pooch will be a big one!

Mastador puppies are likely to inherit the kind Labrador face and the solid body of the Mastiff, and big floppy ears.

Loyalty and companionship

Any Mastiff mix dog, when trained and socialized properly, makes a loyal and protective companion, but especially when it’s mixed with a Labrador Retriever.

This large dog is courageous, confident, and smart, and also loving and affectionate. It will show great loyalty to their dog owner and family member. It will be a physically active dog and just want to play or hang out with you.


Any Mastiff mix dog has an image of a fierce guard dog, but proper behavior training and socialization will control its protective nature.

The perception changes when it’s a Mastiff and a Labrador retriever mix, a highly friendly, soft-natured, and docile family pet.

The Mastador will act as a family watchdog.


The Labrador Retriever is recognized as The most popular dog in the world, and the Bullmastiff is No 51, according to the AKC purebred rankings.

This mixed-breed Mastador dog is not recognized by the American Kennel Club (AKC) as it is not a purebred dog, but this won’t stop this big loveable designer pooch becoming more popular.


Mastiff mix puppies need to be trained and socialized early.

Mastiff Lab mix puppies will be strong and protective so they must learn control and discipline.

The Mastador Breed is smart and tolerant so training should be fairly easy, providing you keep it interesting. They can be stubborn so training needs to be varied and fun.

Positive reinforcement and reward-based training are recommended for this large dog breed as is very confident, and strong-willed.

Mastiff breed mix puppies should be trained slowly and never negatively punished, challenged directly, hit, or locked up for misbehavior. Always reinforce change gradually and praise good behavior and learning.

The Mastador is an active dog, so the puppy will need one hour of daily exercise and playtime, building up 1-2 hours a day in adulthood.

Remember, this is likely to grow into a very large dog, so they should not be over-exercised as a puppy while their bones are still growing, as this can damage their developing bones and joints.

Power and intelligence:

Labrador Retriever mixes are intelligent, curious, and energetic.

The Mastador will be a fast learner but could be stubborn and aloof, so they will need to be trained and handled properly to be able to socialize and behave to command in public places.

Mastadors love activity and challenging playtime with their family; Fetch the ball or Frisbee, puzzles, or interactive chewable toys.

This pooch will grow into a powerful and heavy dog so its exercise needs and strength should not be underestimated by any potential dog owner.


Early socialization dog training and discipline are strongly recommended for Mastiff mix dogs.

The Mastador has two high energy parents and one is a powerful guard dog.

Labradors have a soft delicate bite but the Mastiff has a powerful jaw and less delicate, so the Mastador will need to learn to control its protective nature and muscular strength. Gently discipline and obedience training should start early to help this huge puppy to become well–behaved and gentle with other dogs and children.


Mastadors are sensitive and can be quite shy. It’s a loveable brut that will want to please and will be able to follow orders and commands but will need a confident and experienced owner to be able to control it; it’s not a dog for beginners!

The Mastador can be stubborn and may just refuse to walk any further when it’s had enough or stop the task it’s been given if it’s not interesting.


A Mastiff Lab mix generally inherits the best of both.

This lovable and protective dog gets on well with children, but it’s huge and can be clumsy in rough and tumble play. Young children should be careful when playing with this big dog, and not allowed to treat it roughly. It could turn aggressive if mishandled so play must be supervised and respect shown to the dog.

A Mastador is quite docile and not a barker but it will be wary of strangers and therefore makes a good guard-dog.

Mastiff Lab Mix

Physical Characteristics of the Mastador

The Mastador has a deep chest, strong legs big brown expressive eyes, a medium muzzle, with a long tail. It is a large dog, and you can expect both male and female to reach a height up to 28-36” (71-91cm) and a weight up to 85lb-160lb (39-73kg). A Mastador will live on average, between 10-15 years, and a litter size is usually between 6-10 puppies.

Coat: A short, dense but silky, double coat, moderate shedder; not hypoallergenic.

Coat Color: Black, Brown, Yellow, Red, Fawn or brindle, even Silver or Charcoal Gray; Solid color or mix.


Mastadors learn easily and try to please. They are generally friendly with a gentle nature but bore easily and may refuse to cooperate.

They are sensitive and don’t bark much unless provoked or frightened.

They are born protectors and will guard their territory, so they must be trained and socialized early.

How should you train a Mastiff Labrador Retriever mix?

This breed should be trained gently, slowly, and with consistency.

The boundaries need to be set early for this powerful mixed-breed dog. Fun and positive reinforcement and reward-based training, especially small food treats work best.

Never hit or raise your voice to this breed during training as it may challenge or rebel and refuse to cooperate further.

Types of training required: obedience, discipline, agility, and socialization.

So, if you are not going to use a professional dog trainer:

1) Develop basic command words: Stop, Sit, Down, etc. and be consistent each time you use them. This huge dog will try to dominate and this must be controlled early in training.

2) Crate – Buy a crate and gently get this puppy used to going into it. This will eventually become its nest and it will sleep there. You will have to lock the cage in the early days so it knows it has to sleep there and it’s useful to experience for bladder control and if you need to transport it.

3) Potty training – Can be hit and miss for any new puppy who gets easily excited and lacks control, however, products are available, such as mats and odor sprays to attract puppy go to the same spot each time. Eventually, the puppy with your help will learn where and where not to go. They will eventually become creatures of habit and regulate their need and place to use.

4) Walking on a leash – Understanding voice commands and road awareness is important for this strong puppy’s safety.

Health problems and health issues

What health problems can a Mastiff Lab mix suffer from?

Hip Dysplasia (and elbow dysplasia) – common in many large breeds. Hip dysplasia is a malformation of the hip joint, where the ball at the top of the leg does not fit properly into the socket and the ligaments attaching it are weak. This allows excess movement of the fitting which can eventually lead to stiffness and pain for the dog.

Bloat – any large dog that eats quickly or drinks a lot before exercising can suffer from bloat. This dangerous excessive gas build-up can cause the stomach to twist and damage other organs.

Cataract eye disease – is a clouding over of the vision.

Other Eye problems like Progressive Retinal Atrophy – a group of degenerative diseases that affect photoreceptor cells in the eyes, seriously affecting the dog’s vision; eyes should be checked regularly by a vet.

Brachycephalic syndrome – breathing difficulties, due to the shape of its nose and restricted airways; Pugs and Boxer dogs have similar problems.

Other health issues include ear infections, bone cancer, and heart problems


How do you care for a Mastador dog?

Exercise needs

A Mastador is outgoing, but not overly energetic so its exercise needs are low. They will enjoy walks and freedom to play. One hour a day of exercise is enough for an adult.


Feed as a large-sized dog, around 3 cups of Kibble dry formulated food per day, fed twice a day and slowly to prevent bloat.

Grooming needs

The Mastador has a short but dense double coat and only sheds moderately, so you can be the groomer and brush every 2-3 days.


This large dog does not need regular bathing, only when required. Certain dog formulated shampoos have a double effect of cleaning the coat and protecting it against fleas and insect bites.

Cleaning teeth, nails, and ears

As with all dogs, their teeth need to be cleaned regularly to prevent a build-up of plaque. Chewing breaks down plaque, so use doggie chew-toys, bare-bones and soft toothbrushes, and toothpaste. Nails grow quickly and need trimming regularly, say monthly, and their floppy ears need to be checked for debris that could cause infection.


Mastador Puppy

What’s life like for a Mastador?


This breed is affectionate and loves company. It is a great family dog and will be happy living in an apartment or house with a big yard as long as it is with you

They can be stubborn and aggressive until trained. They will chew things if bored or left alone for long periods of time, so keep stimulated and busy. Chew toys can help with boredom.

This breed is a natural watchdog that will act on instinct to be very protective of its family.

Positives and Negatives of ownership


  • Protective and loyal companion
  • A big family dog
  • Intelligent, affectionate and tolerant
  • Easily trained
  • Needs to keep active and stimulated
  • Generally healthy, low maintenance


  • Mastiffs reputation of aggression
  • Destructive if left alone, will bite and chew things
  • Needs company
  • Strong and powerful needs supervision with small children
  • Wary of strangers, may bark
  • Can be a couch potato
  • Stubborn and aloof


Commonly Asked Questions:

Q: What’s the proper name of the Mastador dog?

A. It’s a Mastiff Lab Mix also referred to with different combinations of the parents’ breed names; Labrador Mastiff mix, Labmastor, or Massif Lab.

Q. How much does a Mastador puppy cost?

A. Buying from a reputable dealer will cost between $900-2000, depending on age. An alternative is to contact a rescue center to adopt a puppy or adult. The cost of adopting a rescue dog is much less than from a breeder.

Warning: If considering any Mastiff mix rescue dog it is important to find out as much as possible about the circumstances behind why that dog ended up in a rescue center – abuse, neglect, personality, behavior, or any details of the temperament or health issues of the parents.

Food costs around $40-50 per month for an adult and given their possible health problems you must factor in Vets fees and accessories from a retailer like Amazon.



Mastiff Lab Mix: Mastador Breed Information, Puppies, Prices & More

Mixed breeds always bring an element of excitement and mystery into the realm of pet ownership. While you can have all the knowledge in the world about the two breeds that make up the mix, there’s never a definitive answer as to what you’ll get from their pups.

Mastiff Lab mixes, also known as Mastadors, are no different. These floppy, lovable dogs are the result of a Mastiff mixed with a Labrador Retriever.  There are other Mastiff mixes, like the American Mastiff which came about when the Anatolian Shepherd was bred into the line many years ago.

If you’re okay with the question marks that come with owning a mixed breed, then by all means, dive into puppy parenthood. However, learning more about the two purebreds that make up this mix can certainly help you care for your pet properly. Let’s take a look at this mixed breed along with the parents that create it.



Mastadors, as we mentioned, are a crossbreed of the Mastiff and the Labrador Retriever. Because of their gentle nature with small children, both the Mastiff and Lab are often compared to one another as family pets. With floppy ears and big eyes, this mix makes for an adorable breed and a popular family pet. Their big, friendly face is likely to draw anyone in, and their active nature makes them great outdoor companions.

Though their larger size can be a bit intimidating to newcomers, Mastadors are notoriously sweet. Adaptable and fun-loving, a good family can keep this mixed breed very happy.

Although we will certainly learn more about the Mastiff Lab mix, it’s usually best to start with the purebred parents to get a better idea of what traits the pup might adopt.

The Mastiff

The Mastiff dog breed has been around for a very long time. Many experts believe it was brought to America from England, via Asia. The name is also believed to have come from the French word Mastin, which means watchdog.

This appropriate name was given to these large dogs who were often used to guard both livestock and homesteads from wildlife and thieves. Their loyalty was unmatched, which ended up making them excellent pets for companionship as well as protection.

Mastiffs are certainly on the larger size. At the bare minimum, a Mastiff will usually come in at about 30 inches tall at the shoulder. Their weight can be anywhere from 130 to 220 pounds. Their great size and strength were what made them so attractive for those in need of protection.

This breed sports a short, straight outer coat accompanied by a dense and even shorter undercoat. Their colors range from fawn to apricot to brindle, and some of these variations can include dark strips. The most notable feature of the Mastiff is their dark brown or black nose, ears, and eye rims.

Most mastiffs have short fur but they can have long hair as well.  As a result, Mastiffs do tend to shed and require some grooming and brushing.

Mastiffs boast personalities of bravery, loyalty, and protectiveness. Though they are great with strangers and will approach anyone with friendliness, they have the natural ability to sense dangers and threats. Should they feel something isn’t right, they will not hesitate to protect their master.

In fact, the Mastiff has been known to step between any sort of escalation—even an argument between siblings or spouses. Needless to say, this breed doesn’t like conflict.  Bullmastiffs, when compared to English mastiffs, can be a little bit more assertive and flat out territorial.

However protective, though, this dog has a sensitive interior that can produce traits of shyness, fear, or aggression if he is not properly trained, loved, and treated. But, good families, plenty of exercise, and socialization make Mastiffs great family pets and protectors with undying loyalty and fun-loving spirits.

The Labrador Retriever

The Labrador Retriever is America’s most popular dog breed, and for good reason. Appropriate to its name, the Labrador was originally—and still is—used for hunting. They are very smart dogs who take commands well, working with their masters to flush and retrieve birds.

Though they are useful practically, the breed has long been known for its kind and loving temperament and loyalty. The friendliness of this breed is unmatched, making them great for any dog owner, new or old. Families love Labs because of their excellent companionship.

Labradors are social butterflies. Not only will they love you, your family, and your family’s friends, but they do great with other dogs as well. They love to play, and they need a good amount of exercise. They certainly have high levels of energy, as they are natural athletes who love running, fetch, swimming, and any other game you can come up with.

Labrador Retrievers are typically 21 to 25 inches tall. They generally weigh between 55 and 80 pounds, depending on their health and sex. They have thick, hard coats that come in a variety of colors, from yellow to black to chocolate. You may also recognize them from their long, thick, wagging tails.


When you’re dealing with a mixed breed, learning about their parents will always be beneficial. Now that we’ve gone through some of the purebreds’ basics, we can delve into the Mastiff Lab mix.

A Mastiff Lab could look more like the Mastiff half or more like the Lab half. In the same way, it can widely vary in size. Mastiff Labs can grow to be anywhere from 50 to 130 pounds. Since that leaves their adult size up to chance, it’s good to make sure you’re okay with the unknown in this breed.

A good way to get a better idea of your mixed pup’s adult weight is to look into how big both of their parents were. However, there’s a good chance your dog will be pretty big in general given that both breeds are medium-sized or larger.

As far as their coloring goes, that will depend largely on the color of the Labrador half. Though your Mastiff Lab will inherit its color from both parents, the Lab typically has a wider range and therefore can have a big impact on what the mixed pup will look like.

That being said, your pup may have the dark face of a Mastiff or could be completely black like the Lab.


Though their Lab half may invoke some shedding, a Mastador typically has short hair and oily skin, which makes it easier for the breed to self-clean. Their ability to take care of their own coat makes life easier for you; however, there are still a few things you should do for your Mastiff Lab in terms of grooming.

Mastadors like to play in the water, and so they will require some maintenance. Their self-cleaning allows you to limit baths to perhaps once a month, but their ears require much more attention. To avoid infections, you should regularly clean and check your Mastador’s ears.

Additionally, it’s wise to brush this breed’s coat once a week. Doing so will help spread their natural oils as well as remove loose hairs to promote new hair growth. You should also clean their paws regularly since they are pretty active.


While Mastiffs only need some exercise to stay happy, Labradors are very active and athletic. The mix of moderate to high energy levels will likely give you a pretty active mix.

Training and playtime are very important with Mastiff Labs. If you want your pup to be not only happy but well-behaved, you need to make sure you put enough time into keeping them busy and moving.

You should take your Mastador for daily walks, or at least let them run around in an open space like a dog park or a large yard. In addition, they’ll love going with you for runs, playing games, and long training sessions.

While lack of proper exercise may not increase levels of aggression in your Mastador, as his docile Mastiff side will take over, it can negatively affect their overall health and fitness.


Since Mastadors are active dogs, they require a good amount of sustenance. They are more active than regular mastiffs, but not quite as active as labradors.  Because of their size, they will need a dog food that’s made specifically for large breeds, like our favorite foods for mastiffs we’ve selected here. Not only do they burn a lot of calories running around all day, but they’re on the larger side, so they will eat more than smaller breeds.

A Mastiff Lab will do best eating high-quality dry dog food. They may eat as much as three cups per day. However, Labradors are known for eating anything in sight. Because of that trait, your Mastador could do the same. While you need to make sure they eat enough to stay healthy, you should also make sure they aren’t eating too much.


Because they are a mixed breed, the Mastiff Lab is less likely to take on genetic health issues that a purebred may have. However, that doesn’t make them immune from illness or injuries.

Since Mastadors are large dogs, they are prone to large dog issues like heart problems and hip dysplasia later in their life. Additionally, any dog with large, floppy ears requires regular cleaning, as they are more likely to get ear infections and foul odors.

Labradors are also more prone to obesity given their insatiable appetites and the need to eat everything they see. As we mentioned with the Mastador’s appetite, it’s important to not only ensure they’re getting enough nutrients but that they aren’t eating too much.


Such as with every mixed dog, your Mastiff Lab’s personality and temperament will differ from the next Mastiff Lab. This is very common with crossbreeds.

However, it’s safe to say that your Mastador will likely be very friendly and outgoing. Based on the traits of its parent breeds, this mix will be loyal, protective, and loving. They make great family dogs and are very good with kids.

When you mix the loyalty of a Lab and the protective nature of a Mastiff, you get an excellent guard dog. Though it’s not known to be aggressive towards people or other animals, it will likely sense threats and danger and will jump in between conflict in favor of their master, family, and territory.

Mastiff Lab mixes do best when they are active and well-socialized. If you have a family who is gone for long periods of time throughout the day, this breed probably isn’t for you. When left alone or bored for too long, your Mastador may become destructive and display signs of anxiety.


Mastiff Lab mixes are very smart dogs, so training shouldn’t be too much of an issue. In fact, they are generally pretty easy to train. Mastadors tend to display the ability to pick up commands and tricks easily and quickly.

While your Mastiff Lab needs a solid master or “pack leader,” they will do well with multiple trainers, unlike other breeds who will only listen to their master. This is great for family situations, where everyone can participate in the training and take turns watching your pup.

Frequently Asked Questions

You can never have too much information about your mixed breed. While we have provided a lot of good knowledge for you already, we know that you may still have some questions. Check out a few of these commonly asked questions and their answers.

Q: How long do Mastiff Labs live?

A: Mastadors usually live anywhere from 10 to 15 years. Remember that this is on the assumption that they are healthy. To ensure you Mastador gets the most out of their lifespan, you need to keep up with proper nutrition, exercise, vet visits, and grooming.

Q: How much do Mastiff Labs cost?

A: Because Mastadors are a newer mixed breed and are considered a designer dog, they can be a bit pricey. Breeders can charge as much as $2,000 for this pup. This is also considering how popular and excellent Labrador Retrievers are, which makes their part in the mix very important and desirable.

Q: Are Mastadors good hunting dogs?

A: Yes! While the Mastiff was originally used as more of a guard dog, the Labrador Retriever makes an excellent hunting dog. Both of these breeds are highly trainable and loyal, so hunters can certainly train them to come along on their expeditions to flush and retrieve game.

Final Thoughts

The idea of a slightly unpredictable, large dog can be a little intimidating to new pet owners, but once you get to know the breed some more, it becomes much easier. Though the Mastador is large and in charge, it is so loyal, loving, and friendly.

An excellent family dog, you’ll soon find that this massive beast has a tender heart and a dedication to protecting his family.

With a little bit of exercise, consistent training, and a lot of love, you will find yourself a great companion is the Mastiff Labrador mix.


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