Working Breed

Missy and Princess rescued through the Mastiff Rescue – South Atlantic Region

The Mastiff is probably the biggest dog in the world. In 1989 Guinness recorded an 8-year old Mastiff named Zorba at 343 pounds, standing 37 inches at the shoulder and 8 foot 3 inches from the tip of his nose to the tip of his tail.  While your Mastiff will probably not break this record, it will be a BIG dog – something to remember when you start training it as a puppy.  Mastiffs make good family dogs and are great with children (although their size could cause injury to younger kids).  They need the same exercise strategy as a human – starting mild and then increasing.  Or, it is just as happy curling up on the rug.  A good guard dog that will use its bulk to prevent access rather than resorting to more aggressive methods.  Mastiffs will enjoy the company of other pets if they were properly socialized as a puppy.  Their short coat is easy to groom with only occasional brushing.

Average Height(“‘s)
Average Weight (#’s)
Notes for owners
Short and smooth Minimal OK for apartment but must be exercised.  OK for larger children (because of its size).  Will drool.

Relevant Web Sites

AKC Breed Profile

Mastiff Club of America

Mostly Mastiffs Mastiff history and relevant information.




We STRONGLY recommend that you get your dog from a respectable breeder or rescue organization.  Pet store puppies may get their dogs from Puppy Mills that normally breed only for profit, not quality or concern for the puppy or its eventual owner.
If you would like help locating a breeder or rescue agency near you please E-Mail PGAA (, and let us know your city/state and the type of dog you are looking for.  Do not assume that PGAA has qualified all of the breeders or rescues on this site.  Do your own check of each breeder or rescue — be sure that you are comfortable with the organization before you buy, adopt or turn-over a dog.