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Registration: All Mastibulls are registrable with the International Designer Canine Registry and are eligible for full registration and pedigree services.

Click here to learn more about Mastibull registration; how to register your Mastibulls or to dual register your Mastibull with the International Designer Canine Registry.

The International Designer Canine Association recognized and began recording registration for the Mastibull in 2009.

Breed Characteristics

  Activity Level


  Noise Level

  Other Pet Compatibility

  Grooming Necessity

  People Friendliness

  Shedding Level


Hybrid Origin:  The Mastibull is a hybrid between the American Bulldog and the Mastiff.

Erroneous Alias:  American Masti-bull, Masti-bull

Country of Origin:  Mastibulls originate in the United States of America.

Original Purpose:  The Mastibull is a great family companion.

Breed Characteristics:  Mastibulls tend to be active, playful, and outgoing.

Mastibulls tend to be very courageous, fearless and loyal.

Generally Mastibulls are alert, intelligent and friendly towards its immediate family but not strangers.

Life Expectancy:  Average life expectance for the Mastibull is 10 - 13 years.





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