The Mastiff is an extremely large dog in both height and girth, broad and deep in body, full of substance and with large strong bones. He combines grandeur with good nature. A very intelligent dog, he is not excitable, but is affectionate towards his owner. He requires plenty of human contact and good food and is best suited to a home where there are opportunities for exercise.
Links to Breed Descriptions:
An Interpretation of The Mastiff Breed Standard by Betty Baxter & David Blaxter (Illustrated)
There are numerous breed standards. The basis of breed/conformation shows is the judging of pedigree dogs against the 'Breed Standard', which is a picture in words that describes the range of features that are deemed appropriate for the breed. Three of the major international standards are: