Dog breeds are really very diverse, there are docile and cute, but also have a very fierce and brutal breed, they are still very strong fighting, can easily knock an adult down, nothing to do do not easily approach them, but the consequences are not fun.

<h1 class = "pgc-h-arrow-right" >1, pit bull</h1>
The pit bull is native to the United States, was bred for the purpose of fighting dogs, and is a difficult opponent in the Colosseum. It has a strong lethality, it can easily bite other dogs of the same size, it has developed muscles, nerves are insensitive, not afraid of pain, so the will is also very tenacious, brave and fierce, vowing to die, once bitten will never let go. It is good for its owner, but it is extremely aggressive to living people and other animals, often causes trouble, and is a notoriously fierce dog.
<h1 class= "pgc-h-arrow-right" >2, Canary dogs</h1>
The Canary dog is also a breed of dog developed from the fighting dog, its bones are strong, muscular, the skin is also very thick, the jaw muscles are thick and powerful, the bite force is strong, all kinds of characteristics are designed for fighting, its personality is also very fierce and aggressive, often fight with other dogs or animals, full of suspicion of strangers, and susceptible to external stimuli, there have been one injury after another. It is now banned by most countries.
<h1 class= "pgc-h-arrow-right" >3, Newpolitan</h1>
The Newburyton is one of the most feared and dangerous dogs in the world. Its body is strong and fierce, with overwhelming strength, its eyes are low, cold and gloomy. Once it attacks, it is immortal, and likes to devour the prey it kills, which is very cruel. It was once a mafia favorite, a symbol of terror and power, and a frightening dog.
<h1 class="pgc-h-arrow-right" >4, Dogo</h1>
The Argentine Dogo is actually a mastiff dog with a strong fighting power of the mastiff. The balanced body proportions also make its body stronger and more flexible, and the original selection of this fierceness is to hunt in groups, and it is not a problem for three or five to take down a strong wild boar.
< h1 class="pgc-h-arrow-right" >5, Tosa Dog</h1>
The Tosa dog is native to Japan, but it is not a native dog, but the local people in order to cultivate fighting dogs, by a variety of fierce and strong dogs cross-bred, so it is conceivable that its combat effectiveness is also very strong. Gang members are also keen to keep this dog. It's the kind of dog that's calm and fierce, biting you and not talking, and that's very frightening.
< h1 class = "pgc-h-arrow-right" >6, Brazilian Feller</h1>
The Brazilian Feller has shown ferocity from a very young age, such as the cruel mutual bite between companions and the awareness of attacking strangers, etc., it has a strong tracking ability, often trained by previous slave owners to retrieve escaped slaves, so it is also very unfriendly to people, strong body plus fierce character gives the Philae dog a strong fighting ability, so strangers are best to walk around.
<h1 class= "pgc-h-arrow-right" >7, Tibetan mastiff</h1>
Tibetan mastiff everyone is very familiar with, native to China's Qinghai-Tibet Plateau, its history is very long, but also a very fierce dog breed, the size of the mighty, strong attack, poor patience, although good for the owner, but to strangers have a strong hostility, and low IQ, may be because of confusion, easy to attack strangers, so you see others have this kind of dog at home, it is best to hide far away.
Conclusion: What other fierce dogs do you know?