Bullmastiff Dog Breed

Mastiffs are known to be large dogs. The Bull Mastiff, originally a cross between the Bulldog and the Mastiff, isn’t as large as a full-bred Mastiff. But the mix is quicker than a Mastiff, larger than a Bulldog, and completely fearless in the face of danger.

Though originally a mixed-breed, the Bull Mastiff received AKC recognition as a pure breed in 1933. In its final form, it appears to be about 40% Bulldog, with the Mastiff genes taking the majority 60%.

Calm and intimidating, the Bull Mastiff is hard to get excited. They don’t get riled easily, remaining calm in almost all situations. This is part of what makes them such excellent guard dogs. They also tend to be silent, so don’t expect your Bull Mastiff to alert you by barking.

The Bull Mastiff is very suspicious of strangers and will need constant socialization from an early age. They also tend to be aggressive towards other pets, so they’re not a great bet for families with pets. But if it’s raised with kids from puppyhood, then your Bull Mastiff should do very well with children.