This massive breed is often used as a guard and defender ... turn the Mastiff-type dogs of Italy into a formal breed which was then named the Neapolitan Mastiff and English Mastiff was used ...

English mastiffs are a specific and pedigreed breed, but there are many mastiff-type dogs around ... and a strong physique make them useful guard dogs. This is, in fact, one of the reasons why ...

Bullmastiffs are domestic guard dogs from the 19th century. Gamekeepers used these dogs to protect estates. They are a mix of the English Mastiff and Old English Bulldog, later recognized as ...