The Old English Mastiff is one of the heaviest breeds; a male Mastiff can exceed 200 pounds. This dog is very massive, powerful and muscular. The Mastiff is considered a large breed dog and stands at about 30 inches at the shoulder.

Originating in Great Britain, the Mastiff, also known as the English Mastiff, was originally used as a military and fighting dog. Today the Mastiff is known for being a loving companion and a trusted guard dog.

They have an imposing and dominant demeanor. Mastiffs are fearless, alert, and extremely courageous. The Mastiff has a good nature and shows alot of courage. They are a very docile dog and are very easygoing and gentle dogs who are very protective and possessive of their family. They are great with children and love to please and hang out with their family.

The Mastiff is slow moving and is inclined to be rather lazy. Responsible Mastiff breeders devote themselves to breeding the best Mastiff, not only by bloodline, but by looks, health, temperament and intelligence.

The normal height is 27-30 inches and weight run 150-160 pounds.