Pets

These Are Some Of The World’s Most Dangerous Dog Breeds

While you probably know exceptions to the breeds on this list, some dogs are more dangerous simply based on their size and force of their jaws.

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Dogs have long been known as man’s (and woman’s) best friend. Canines are loyal and lovable, and they often provide comfort, protection and other services to their human counterparts. However, they can also be dangerous.

Depending on the animal’s upbringing, temperament and circumstances, any dog can be a threat. Even small dogs might bite someone. In fact, chihuahuas sink their teeth into vets more often than any other type of pooch.

But certain breeds can cause greater harm simply because of their size or the force of their jaws. Based on the damage they can do, these are some of the world’s most perilous pooches, in no particular order.

St. Bernard


These giant dogs from the Swiss Alps are famous for rescuing people from the snow. They are generally intelligent and friendly animals. However, they can become aggressive in certain situations, especially if they are not properly socialized. Due to their enormous size, this can mean trouble.

Great Dane


Standing as high as 32 inches at the shoulder and taller than an adult human when on their hind legs, Great Danes tend to be sweet, friendly and patient with children. However, they are alert guard dogs as well. Great Danes have even caused fatalities.

Bull Terrier


Depending on your age, these pups might make you think of either Spuds MacKenzie or Bullseye, the Target dog. Bull terriers are affectionate pets that love to have fun. Although the unique-looking dogs are not especially large, they are quite muscular and were originally bred to be champion dog fighters. Because of their strength and strong prey drive, they should be watched around children and other animals.

Perro de Presa Canario


This mastiff’s name translates to “Canary Island catch dog,” and they are used to drive livestock or chase off (and kill) predators. These dogs typically weigh upward of 100 pounds and are extremely powerful. Socialization and consistent training are crucial for this breed, as poorly trained dogs have killed people.


English Mastiff

Large, strong and instinctively protective, English mastiffs are naturally low-maintenance guard dogs. The massive breed is generally gentle but is better suited for homes without small children. With a bite force of 556 PSI, they can do some damage with their jaws.