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What Are the Different Types of Mastiff Breeds, and Which Is Best for Me?

Shelter worker, animal rescuer & advocate, Jan has become a well-regarded source of insights & know-how on pet care & behavior nationwide.


Mastiff Breeds

Some people view the mastiff as one breed, but in reality, there are over 14 different individual breeds within the mastiff family. When most people think of a mastiff, they think of a very large, overpowering dog or a guard dog. While this is true as a rule, there are many individual differences between the breeds. You're missing out on some amazing qualities if you limit yourself to that generalization.

We will break the group into the individual breeds within it and share the details on which are more suitable for families with children and which types may be the most affectionate.

Let's take a look at the individual breeds and help you familiarize yourself with which one(s) may be best for you.

The Different Mastiff Breeds

BreedOther NamesPhysical CharacteristicsPersonality Characteristics

Argentinian Mastiff

Dogo Argentino

White and muscular

Loyal, playful, easy to train

Brazilian Mastiff

Fila Brasileiro

Mastiff and doberman; Large and wrinkly

Aggressive, extremely loyal, impetuous


Mastiff and bulldog; Solid build and short muzzle

Very stubborn, males can be aggressive with other dogs

English Mastiff

Extremely large

Gentle, protective, good-natured, calm

French Mastiff

Dogue de Bordeaux, Bordeaux Mastiff, Bordeauxdog

Calm, patient, and loyal

German Mastiff

Great Dane

Very tall breed

Friendly, dependable, usually good with children

Italian Mastiff

Cane Corso

Very powerful and agile

Intelligent, easy to train, gentle but protective

Neapolitan Mastiff

Mastino / Mastini

Wrinkly and heavy-boned!

Loyal and devoted to family

Pyrenean Mastiff

Large dog with a heavy coat

Calm and gentle but can be stubborn and independent

Spanish Mastiff

Mastín Español

Large dog with wrinkly coat

Less friendly mastiff, but a great guard dog

Tibetan Mastiff

Very full, heavy, dark-colored coat

Strong-willed, protective, and aloof

Canary Mastiff

Perro de Presa Canario, Presa Canario

Thick and muscular body

Strong-willed but gentle and calm, can be suspicious and dominant

Japanese Mastiff

Tosa Inu, Japanese Fighting Dog

Massive and stately

Gentle but can be aggressive

Alangu Mastiff

Bulli Kutta, Bully Kutta

Usually white, very muscular

Protective, aggressive

South African Mastiff


Large, muscular dog

Obedient and confident, very intelligent, but can be dominant and territorial


Light golden with a darker face

Protective but sensitive, independent

1. The Argentinian Mastiff

DescriptionSize (Males)Size (FemalesPersonalityGood With Kids?Best for . . .Other Notes

Powerful, white, muscular dog bred for big-game hunting (boar)

Up to 99 lbs and 27 in.

Up to 88 lbs and 26 in.

Loyal guardian, very intelligent, easy to train


Confident, consistent, experienced owners

Can get aggressive with strange dogs

What Are Argentine Mastiffs Like as a Breed?

Commonly known as the Argentine Dogo, this mastiff breed is a loyal guardian of both its family and its property. The Argentine Dogo is playful and gets along well with children. The breed is very intelligent and easy to train with consistency.

Dogos are powerful dogs and not for the weak or inexperienced and definitely need leadership from a confident and consistent owner.

If raised with other pets, they can be fine with other animals, however, they can get aggressive with strange dogs, especially if an inexperienced or timid owner can't provide the necessary leadership.

2. Brazilian Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Wrinkly, short-coated breed of dog known for its tracking ability and aggressiveness

Up to 110 lbs and 29.5 in.

Up to 90 lbs and 27.5 in.

Once bonded, completely devoted to family

Yes, if socialized from birth

Experienced owners

Can be wary of strangers

What Are Brazilian Mastiffs Like as a Breed?

Known as the Fila Brasileiro, the Brazilian mastiff combines mastiff and bloodhound and the resulting dog is big with lots of wrinkles. The Brazilian mastiff will be completely devoted to its owner and, once bonded, will not hesitate to protect its family. Once bonded, this breed will take a lot of poking and prodding from small children and are incredibly gentle when with them. This breed also tends to get along well with other pets within the family.

Filas should be socialized thoroughly and throughout its life so that they won't become wary of strangers. They also need to be shown that most things are not a threat and need the confidence-building that comes with socialization. This breed is definitely not for the inexperienced dog owner.

3. Bullmastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Mastiff and bulldog mix

Up to 130 lbs and 27 in.

Up to 120 lbs and 26 in.

Laid back, slow to anger; very stubborn

Yes, if raised together

Experienced owners

Coat maintenance is minimal

What Are Bullmastiffs Like as a Breed?

The Bullmastiff is a mix of mastiff and bulldog. This breed is a quiet, gentle companion devoted to and guardian of its family. Though laid back and slow to anger, once this dog feels threatened, it becomes a fearless protector. The Bullmastiff, as it name would imply, is a very stubborn dog and you may have great difficulty in getting this dog to perform against its will.

Male Bullmastiffs can be very intolerant of other male dogs and, in general, can be aggressive towards dogs with which they are unfamiliar. With stubbornness aside, this breed can be good with children if they are raised together. This breed is another in the mastiff family that is not for the inexperienced or first-time dog owner.

Though they should get daily exercise, their needs are moderate compared to others. A mild walk or short bursts of play are all that are necessary. Coat maintenance for the Bullmastiff is minimal as its coat is short and dense. Its power, alertness and endurance make it a great guard dog.

4. The English Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . .Other Notes

Extremely large dog with a loving nature

Up to 230 lbs and 36 in.

Up to 170 lbs and 36 in.

Gentle and easygoing


Owners of all experience levels

Tends to drool

What Are English Mastiffs Like as a Breed?

An amazingly gentle breed, the English Mastiff is both gentle and easygoing making a great house dog and loyal family member. The breed is very devoted in spite of its minimal expression of emotion. Like all dogs, this one definitely needs daily exercise. While it handles warm to cool weather fine, it does not do well in hot weather.

The English Mastiff has the tendency to drool, but coat maintenance is minimal. This breed of mastiff tends to be longer than they are tall and is a powerful dog with great endurance.

5. French Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Ancient French breed with powerful body

Up to 150 lbs and 27 in.

Up to 125 lbs and 26 in.

Calm, patient, and loyal

If socialized, yes.

Experienced dog owners

Can be confrontational with strangers

What Are French Mastiffs Like as a Breed?

The French Mastiff is known to many as the Dogue de Bordeaux and is smaller in size than its English counterpart. This breed is calm, patient and loyal to its family. The Bordeaux can be confrontational with strangers and seems to have no fear, making it a good guard dog with proper training and socialization.

Socialize them young and they seem to do well with other animals, as long as they're supervised. This breed drools, like many in the mastiff family, and is also known for its snoring. Appearance aside, the Bordeaux is usually gentle with the family's children. Once again, this breed should be in the hands of an experienced dog owner.

6. German Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Giant, gentle breed

Minimum 120 lbs and 30 in. tall

Minimum 100 lbs and 28 in. tall

Friendly, dependable


Indoor living

Can be unaware of large size

What Are German Mastiffs Like as a Breed?

The German Mastiff is most commonly known as a Great Dane. This breed of the mastiff is friendly and dependable and usually good with children. The Great Dane also usually takes well to other household pets, but may not always be aware of its towering size over others so should be monitored.

Moderate daily exercise will help keep the Dane fit and can be met with a brisk walk or a chance to play in a fenced area. This breed of mastiff is not suited for outdoor living and should be considered an indoor pet. There are some Danes that drool but coat care is minimal.

7. Italian Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Powerful, muscled dog

Up to 110 lbs and 28 in.

Up to 99 lbs and 26 in.

Gentle but protective

Yes, with early socialization

Experienced owners

With plenty of exercise, will do fine in an apartment

What Are Cane Corsos Like as a Breed?

The Cane Corso is a very powerful, agile breed with a great deal of endurance. This breed is usually quiet and relaxed in the house and eager to please its family. They are very intelligent and their eagerness to please makes them very trainable. Cane Corso make excellent guard and watchdogs. They are great with kids and very affectionate with their owners: gentle yet protective. They like to stick nearby their family members and therefore are not very big wanderers.

Not considered a fighting dog, the Cane Corso will protect both family and property if the need arises. This breed needs early socialization and an experienced owner. Obedience training is highly recommended for this breed as well as all mastiffs. Believe it or not, these dogs will do just fine in an apartment as long as they have the opportunity for plenty of exercise.

8. Neapolitan Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . . Other Notes

Massive, awe-inspiring breed

Up to 150 lbs and 30 in.

Up to 130 lbs and 28 in.

Loyal and totally devoted to family

Yes, with thorough socialization

Experienced dog owners

Do not need a lot of exercise

What Are Neapolitan Mastiffs Like as a Breed?

The Neapolitan Mastiff is probably one of the most recognizable in the mastiff family with all of its wrinkles. Bred to be a family guardian, the Neapolitan is amazingly loyal and totally devoted to its family – ever so watchful. They are very suspicious of strangers and moderately tolerant of acquaintances. This breed can be loving towards children, but needs to be socialized thoroughly at a very young age and should not be a dog for the inexperienced or first time dog owner.

Though Neapolitans need lots of space to stretch out, they do not particularly need a lot of exercise. Neapolitans like to be outdoors but do not do well in the heat. This breed is a big drooler and can leave a mess in their wake. Their appearance alone is enough, in many cases, to scare off would-be intruders. Despite its size, the Neapolitan can be surprisingly quick to react when provoked.

9. Pyrenean Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Huge dog with heavy coat

Up to 220 lbs and 30 in.

Up to 200 lbs and 28 in.

Devoted to family, uneasy around strangers

Yes, with proper socialization

Experienced owners

Need daily exercise and regular grooming

What Are Pyrenean Mastiffs Like as a Breed?

The Pyrenees is devoted to family, but uneasy around strangers, both canine and human. With the family, the Pyrenees can be a calm, gentle, and well-mannered dog – even with children. The breed can be stubborn and very independent, so not the first choice for a timid owner. The Pyrenees is a wanderer and should not be left off leash in insecure locations. This breed is also a barker.

The Pyrenees needs exercise on a daily basis to stay fit and enjoys being out for hikes in the cold weather, but doesn't do well in hot weather. This breed needs weekly brushing of their coats and sometimes daily brushing when shedding. This breed can drool and is almost always a sloppy drinker.

10. Spanish Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Giant dog bred to protect livestock from predators

Up to 220 lbs and 35 in.

Up to 170 lbs and 35 in.

Extremely protective and territorial


Very experienced owners

Can be prone to annoyance barking

What Are Spanish Mastiffs Like as a Breed?

An extremely protective and territorial breed, the Spanish Mastiff is one of the less friendly mastiffs – a quality that makes it an excellent guard dog. This breed is definitely not one that inexperienced or first time dog owner should even consider. The Spanish Mastiff is very independent and not very affectionate, though the males are a bit more affectionate than the females.

Spanish Mastiffs are prone to annoyance barking. This breed can adapt to most climates, but prefer dry climates. Their short, dense coat should be brushed regularly and their need for exercise is moderate.

11. Tibetan Mastiff

DescriptionSize (Males)Size (Females)PersonalityGood With Kids?Best for . . .Other Notes

Large dog bred to protect livestock from predators

Up to 160 lbs and 30 in.

Up to 120 lbs and 28 in.

Devoted to family, aloof to outsiders

With socialization, yes

Experienced owners

Can be destructive if bored

What Are Tibetan Mastiffs Like as a Breed?

The Tibetan Mastiff is very independent and territorial. They can be devoted to family while aloof toward outsiders. This breed, like most mastiffs, should be socialized at a young age. The Tibetan is patient with its family's children, but can be protective when strange children visit. This breed is usually good with other dogs and animals.

While active outside, the Tibetan tends to be more relaxed and calm indoors. A long daily walk for its exercise should suffice. This breed can become destructive out of boredom when confined. Tibetans should be brushed several times a week as their long coat needs the extra attention. Their thick, water resistant coats makes them happy in cold weather and even comfortable in warmer, dry climates.

Closing Thoughts

Mastiffs, generally speaking, make great companions and protectors and with the proper training and socialization can be great additions to your family. While some are more gentle and laid back than others, most mastiff breeds need assertive owners.

Mastiffs make excellent guard dogs. They investigate, bark, look incredibly formidable, and have the power and strength to back it up. Even so, most have a more gentle, rather than aggressive nature. A well-socialized mastiff will protect you and your family, but only when there's a need to.

Consider costs, space, time for training and socializing and possible messes (with many droolers in the group) when thinking about adding one of these magnificent creatures to your family.

© 2011 JanMarie Kelly


appolo on July 09, 2020:

bullmastiffs tolerant of being alone and is good with everything

Bullmastiffs are my favourite dog

Margo Travis on June 27, 2019:

I have had 2 english mastiffs, 1 male and 1 female. The female was sweet and gentle. The male was very devoted to the family. Both lived with cats and both lived to be 12 years old. The only down side was the copious drool!! But you get used to that!!

I also had a Newfie and that dog was by far the best natured of all my mastiffs. She was excellent with small children and even pulled them around in a doggie cart to their delight.

Dean Parker on June 19, 2019:

The best Mastiff is not even titled a mastiff, that is a Newfoundland. Other good Mastiff that should be included are the St. Bernard, Leonberger and the Bernese Mountain Dog. All take a back seat to the Newfie as far as I am concerned.

Anouska scott on May 25, 2019:

Would love one of every mastiff being greedy

But a lot are banned in uk

Iam dogue de Bordeaux lover got 4 had 5 ( one at bridge) but just amazing dogs

Well more like kids x

TammyKaye on May 23, 2019:

I rescued a bullmastiff from a foster home with other dogs present in the home. The alpha in the home was a 3 lb mutt named Faith whose eye would pop out of its socket when she got excited and another large male shepard. It was love at first sight. He got me through the loss of my husband. My twin grandsons used to sleep on him in tandom. He was one of a kind. I was alerted to the need of a puppy mill of Englsh mastiffs in need of rescues. So knowing my dogs history with his tolerance to other dogs, I went to check it out.

It was bad. I had intentions of bringing one home and left with a pair of sisters. Rocky was the father they needed. He loved those girls til his dying day. Like I said, he really was one of a kind.

Tommi Grace from Woodward on March 15, 2019:

I had a Dogo Argentino. He was a rescue. Horrible people abused him when he was a puppy and the shelter had him for adoption. He had scars on his face and lots of tummy issues from being kicked repeatedly before the humane society took him and his litter-mates from the abusers. He was five months old when I adopted him. He was terrified of people (understandably so). It took me about a year and a half of training and patience to get him comfortable with people. We went to "doggie training school" together. And I started taking him to PetSmart on Fridays and we walked downtown on the weekends. I allowed people to slowly and gently approach him and pet him very little at first. Each time he allowed touch, I gave him a treat. Eventually, when people approached him, he wagged his tail. The first time that happened was a such a special day for us. He was also deaf; I don't know if he was born deaf or if it was from being kicked in the head and face when he was a puppy. One of my most precious memories of him was after we walked downtown to see the St. Patrick's Day Parade. So many people, kids included, pet him as he wagged his tail. He stayed right beside me the whole time and sat when we stopped. He didn't lick or jump on anyone. He was a perfect gentleman. After we walked home, he laid down on the floor and went straight to sleep. While he slept, he wagged his tail. Thump, thump, thump on the floor. He was so happy and had such a good time. Two years ago at the age of 6, the damage done to his internal organs finally took its tole and he passed away. I miss him so much. His picture is on my profile pic. Thank you for the article.

leon huffman on February 26, 2019:

the best breed in the world in The CANE CORSO hands DOWN!!!!

Torris Briscoe on January 01, 2019:

I didnt see the canery mastiff?

MNM on November 17, 2018:

I noticed you do not have the Korean mastiff on your list.

SH on August 12, 2018:

My favorite dog breed is spainsh mastiff

Owner on June 15, 2018:

Boerboel!!! Best breed ever!

dave on January 20, 2018:

I voted for the cane corso because the boerbel wasn't there.

Chris on December 26, 2017:

I agree with some previous posts. The boerboel is the best mastiff. And to not give recognition in the description is a disgrace. I haven’t had a better family guardian with all the other breeds I have had. He looks to me for guidance when I am there and in my absence he is a fierce guardian. Hands down the better mastiff. IMO of course!

Brett on December 10, 2017:

There is no better dog for an experienced owner, in my opinion, than the Boerboel. You list him at the top yet you disregard him in the rest of your page. Shame!

Chris S on October 08, 2017:

I work for a doggie day care and we have a bullmastiff and a borduex that are regulars there. They are both great, smart, gentle, big dogs. We sometimes put the bullmastiff in with our young puppies that don't interact with all the other dogs, and he is great with them, He's very gentle, plays very well with them, and he also disciplines them when the get to rough or do something they aren't supposed to. The borduex is a little smaller than the bullmastiff but just as strong if not stronger, and just as smart They both listen extremely well. I just dog sat the bullmastiff last week and he was great, not super energetic, he was happy with a nice walk in the a.m. then would just lay around being lazy the rest of the day, but after dog sitting him I want to get a mastiff of my own.

san on May 26, 2017:

they forget to write details about "south african mastiff BOERBEOL which is the BEST mastiff ever.

Shel Dean on May 22, 2017:

I have an English Mastiff and a Bullmastiff, both rescues.

Both are great dogs, but with distinctly different personalities.

Be prepared for slobber, large vet bills, expensive preventatives (like flea/tick or heartworm) since they are dependent on dog's weight, and big dog food bills. I would recommend pet insurance, since giant breeds are prone to bloat, joint issues, and some cancers like osteosarcoma. Yard cleanups are a chore (big dogs, big poo)!

That being said, I can't imagine having anything else.

William & Hattie Irving on May 02, 2017:

I had no idea the dane was in this family i have owned 4 danes and they were great.

Stacey Marie on November 12, 2016:

My first experience with any "Mastiff Breed" was a Bull Mastiff (Owners spelled it with the space ) . Her name was "Stormy". Not sure why they called her that, for her coat was very Light Tan-brown, except where her face was Black. To me, that name is for things in shades of Black or Grey. Anyway, she was very people friendly and especially kid friendly. "Stormy" is why this is my favorite Mastiff! I also love the Great Dane and the "Neo"!! Awesome dogs!!

talia on July 05, 2016:

There is also the ' Giant Maso Mastiff ' and the ' Korean Dosa Mastiff '.

jude on June 03, 2016:

I can't find my breed here.. South African mastiff (boerboel) I own one he's very protective and friendly to us though he's still 4months of age

Monica on March 21, 2016:

I own two corsos, a bullmastiff and a neo. They are all great dogs and very smart. My neo and bullmastiff doesn't like strangers or unfamiliar dogs. My corsos are even tempered with huge hearts. All were easy to train but the corsos house trained the quickest. The neo seems to be the smartest of group but at times stubborn. He knows how to do lots of things but unwilling to perform if not in the mood. All have different personality and want to spend every second with me unless we're hiking. The males like to hunt and track smells. I have to keep them focused on trail.

Jadotha on March 21, 2016:

Agree with previous posters that some dogs who should be on the list (e.g., Presa Canarios) are not included.

The proper name of the Mastiff IS certainly "the Mastiff"; however, it is widely known as the English Mastiff (aligned with other mastiff breed names which include their country of origin). Referring to the breed as an English Mastiff also avoids confusion and prolonged exchanges which tend to go like this: Person: What kind of dog is that? Me: He is a Mastiff! Person: Yeah, but what kind?! Me: The proper name for the breed is the Mastiff. (Iterations of this may be repeated several times). Person(in extreme exasperation): Well, which KIND?!!!! Me: They are often referred to as English Mastiffs; but that is not the correct name. Person: WHY COULDN'T YOU HAVE JUST SAID SO IN THE FIRST PLACE?!!!!! So I tend to cave straight away now.

Finally, I want to EMPHATICALLY support what fila4me said about Fila temperament. It really worries me when I see them advertised in the newspaper or Craigslist. They can be quite dangerous in 'uneducated' hands. I also agree with her that their temperament should not be changed!

fila4me on March 20, 2016:

Have to add a correction on the amount of training or socialization will make them not be wary of strangers! It is genetic and one of the things they are bred for, to not display true ojeriza is not a true Fila and should not be bred.

Daniel on March 10, 2016:

My favorite Mastiff breed is a cane corso.

Kre8tor on February 10, 2016:

I have had many dogs. Usually a small & and a frg breed. Shelties to Dobes to Rotis and lots of mutts as well. All oassed last yezr. Now have a rescued sml poodle mix. I now want a Bull or English girl. I am in LA ca area looking for a good pet quality girl???

steven on November 04, 2015:

we have recently become owners of our first presa canario pup. the intelligence he already displays at ten months is amazing! very gentle and self aware of his size around small children! having seen both his parents display this loving nature has made us true lovers of the were hoping to see them listed here to learn more about their history and any other breed specific information we have recently become owners of our first presa canario pup. the intelligence he already displays at ten months is amazing! very gentle and self aware of his size around small children! having seen both his parents display this loving nature has made us true lovers of the were hoping to see them listed here to learn more about their history and any other breed specific information

Brandon Hart from The Game on February 02, 2015:

A buddy of mine has a English Mastiff. He is well trained and very friendly.

James N. Whitaker from Dallas, Texas on August 25, 2014:

Cool Hub. I want to have The Argentinian Mastiff, I love to see dogs with white coats, they are something and are attractive to the eyes.

Thomas on August 20, 2014:

I have a Bordeaux. I must've got lucky as he was very easy to train. I have a two year old and a five month old and he is absolutely awesome around the kids. Greatest breed ever. is a great site for growing

Elsa on August 16, 2014:

I have a cane corso and love her to bits, she is very lazy snores loudly and suffers from gas. At the age of 4 months she already showed protective instincts and I'd never seem that in any of my other dogs like that before. I think I'm hooked!

Daniel on July 13, 2014:

I have a Bordeaux. I must've got lucky as he was very easy to train. I have a two year old and a five month old and he is absolutely awesome around the kids. Greatest breed ever.

Sandy on July 02, 2014:

I have a tosa Inu, What a beautiful

Girl she is. The best dog I ever had. Great Family Dog! on September 08, 2013:

can a Neapolitan mastiff sleep outside provided a kennel and a bed and a companion

gwenjolie on July 15, 2013:

I'm all about my mastiff breeds! I was looking for a chart but came across your article. I am only highly firmilar with the Bullmastiff & french mastiff (as an owner) but I would really like to add Bullmastiffs are great dogs for 1st time owner! And they are the best around kids! They are much more calm & gentle than anyother breed I know & the EASIEST by far to train! They are great at protecting only when they need to be. French mastiffs are NOT as easy! Although they are much smaller is size than a bullmastiff they are more bulky & strong! Although I wouldn't trade my frenchie for any other dog in the world she is very difficult with strangers, & animals. She was raised with a bullmastiff & 4 cats (since 8 weeks old, she is now over 2) and that didn't help. I think there is a reason they aren't a top breed here in the usa. If you can get past the 1st year with them without pulling your hair out it is worth it :) french mastiffs & bullmastiff both drool no more than other dogs really. My cousins lab drools when eating or drinking same as they do (except mastiff breeds are cutter). Last but not least....both breeds have "speration anixtey". They don't like to be left alone at all. Unlike other large/guard dogs who do best with stern rules, both these breeds do better as family (ex. The more your mastiff lays on your bed with you the more its loyality grows). It isn't something you teach them, all you need to do is show them affection.

Morty on November 03, 2012:

What about the pug? I have heard them referred to as a mini-mastiff or dutch mastiff.

Durendal on July 11, 2012:

Hi, nice list. I'd like to add a couple:

1. Kangals from Turkey

2. Ovcharkas from Russia

3. Sarplaninac from Serbia & Macedonia

4. Bully Kuttas from Pakistan & India

5. Boerboels from South Africa

6. Tosas from Japan

Suhail Zubaid aka Clark Kent from Mississauga, ON on September 25, 2011:

Very informative hub. Some other Mastiffs that are regionally popular and rapidly gaining popularity elsewhere include Presa Canario, Tosa Inu, Bully Kutta and Boerbol. I have a Kuvasz boy (centre of story of my first and only hub published recently) and I believe all shepherd dogs belong to Mastiff family that may be somewhat removed from the main Mastiff lines.

Kathy on February 26, 2011:

While I knew that several of these dogs are in the Mastiff family-there are some in which I had no such as I didn't know that the Dane was in this family.

We are fairly experienced in the bully breeds(incl Rotties)and we recently took on to foster the most incredible, loveable and amusing Neopolitan Mastiff pup.

Drool is just part of the dog, which so far is the ONLY downside I can find to this boy! He is quite intelligent and is catching onto his basic obedience training quickly-you can almost "see" him thinking about what it is I am asking of him...we've had him 2 weeks now and he is already bonding.

They are amazing dogs!

DON MESSERSCHMIDT on February 24, 2011:

For the full story of the Tibetan mastiff, read 'Big Dogs of Tibet and the Himalayas' (Oct 2010, Orchid Press; The book includes the breed's history, early encounters in Tibet by explorers, missionaries, spies and diplomats, and the author's own experience over a period of 4 decades in the Himalayas and Tibet.