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12. Presa Dog
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The Presa Canario, also called the Canary Mastiff, was once used to herd livestock or deter predators. Training and socialization are now essential for this powerful dog. Presa Canarios are known to be territorial when challenged. With their large feet and strong bodies, they can strike hard. They often weigh over 100 pounds and have a bite force of 540 psi. A skilled trainer is necessary before introducing this dog to a home.
