The English Mastiff is an ancient dog breed. First used in England as a guard dog and fighting dog, some of the earliest recorded Mastiffs go back to 3,000 BC. Some sculptures dating back ...

The ten most protective dog breeds that stand out for their guardian instinct and strong loyalty and offer greater security.

Known for their imposing figure and excellent capabilities as guard dogs ... The result was a large, powerful dog—though not as large as the English Mastiff—with a distinctive wrinkled ...