Bullmastiff / Tosa Mix

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Is the Bullmastiff / Tosa Mix right for you?

Species group:

The basics:
RightPet does not advocate the intentional cross-breeding of purebred dogs. But the reality is that most dogs available for adoption at shelters and rescues are mixed breeds. We think it might be helpful to hear from owners of these mixes to see what traits can be found in these dogs who are desperately needing homes.

The pairing between a Bullmastiff and a Tosa isn't all that common, but you may occasionally encounter this mix in a rescue. Think long and hard about your experience with socializing very large, very fast dogs before you take this one home. The Bullmastiff / Tosa Mix is simply too much dog for most situations.

Appearance / health:
Although the Bullmastiff / Tosa Mix will vary somewhat from litter to litter since it isn't a pure breed, you can be confident that your puppy is going to grow up to be a huge and perhaps intimidating dog.

Behavior / temperament:
Because of its size and intimidating appearance, you will need to take exceptional care to properly socialize the Bullmastiff / Tosa Mix. While it's impossible to predict the exact personality of a mixed-breed dog, they are likely to have a powerful protective instinct which will need to be properly channeled. Because of their potential to become aggressive toward other animals, they probably don't belong in a household where you have other pets.

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