© Eriklam |


Also known as: English Mastiff, Old English Mastiff

Breed origin: England
Original purpose: Watchdog.

AKC recognized: 1885
AKC group: Working

Size: Weight: males 150 to 250 lbs; females 120 to 200 lbs
Size: Height: males at least 30 inches; females at least 27½ inches
© Studio-54-foto (Alexey Poprugin) |
Color: Fawn, apricot, or brindle.

Life span: 7 to 13 years.

General characteristics/temperament: The Mastiff is docile, dignified, courageous, powerful, affectionate, and devoted. They are extremely loyal and are naturally protective of their family and territory. They do not demand a lot of exercise, but keeping them active with daily exercise helps to keep them healthy and in shape.

© Creativefire (Nic Neish) |
Good with children? Yes

Good with other dogs? Yes

Good watchdog? Yes

Protective? Yes

OK in apartments? No

© Egophoto |
Energy/Activity Level: Low

Good jogging partner? No

Known health problems: Hip dysplasia, gastric dilatation volvulus, cystinuria, cancer, obesity, cardiomyopathy, allergies, hypothyroidism, OCD, entropion, progressive retinal atrophy, persistent pupillary membranes, epilepsy, cataracts, von Willebrand's disease.

Additional photos of Mastiff

Recommended books for further reading:

Mastiff (A Comprehensive Owner's Guide)
By Christina De Lima-Netto
Published in 2003
158 pages

Mastiffs (A Complete Pet Owner's Manual)
By Kim Thornton
Published in 2009
96 pages

The History and Management of the Mastiff
By Elizabeth J. Baxter and Patricia B. Hoffman
Published in 2004
306 pages

The Mastiff (An Owner's Guide to a Happy Healthy Pet)
By John M. Becknell
Published in 1998
160 pages

Show more books

Other websites for additional information:

American Kennel Club breed page
Mastiff Club of America
Wikipedia breed information page
Mastiff Club of America Rescue

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Page Last Updated: February 1, 2018

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