The Japanese Tosa was originally bred to hunt large animals such as wild boar and puma. They were also bred for dogfighting in Asia. Because of their dogfighting tendencies, they are banned in Australia, Cyprus, Denmark, Iceland, Malaysia, Malta, New Zealand, Norway, and Turkey.
If these dogs are not properly trained at a young age they can turn on their owners in seconds time. It is not recommended that first-time dog owners get this type of dog. They are meant for experienced owners only.
16. Cane Corso
The Cane Corso is an extremely aggressive breed. There are quite a few cases reported every year of serious injury. They are very independent and dominant and are known to be violent and aggressive to other dogs. They are massive in size and it’s not difficult for them to overpower some people and animals causing injuries that are likely to be fatal.
This breed needs to be kept busy and active otherwise they become irritated and stressed. They don’t typically get along well with other family pets and prefer to be the only animal in the home.
17. Dogo Argentino
If you were walking down the street and happened to see one of these dogs you may easily mistake it for a Pit Bull. However, the Dogo Argentino is much larger and more muscular.
They originated in Argentina and their purpose was to be used as hunting dogs. There is a possibility that this dog can attack, and it can be lethal due to their immense strength. Their strength is what makes dogfighters attracted to this type of dog. They are actually banned in the UK and Australia.
19. Akita Inu
The Akita Inu, bred in the mountains of Japan, is a very independent and headstrong breed. They were meant to be hunting dogs, so their hunting instincts are likely to kick in while around smaller animals. They aren’t known to attack their owners but because of their size and power, they’re likely to do some serious damage if they would attack.
It’s important that these dogs are properly trained and socialized otherwise they pose a risk to the safety of other people and animals. It’s common knowledge that if a dog isn’t trained correctly, it can become aggressive and hurt people when they become out of control. It is not recommended that you let these dogs roam free out in the open where it has access to strangers and other animals.
20. Saint Bernard
Originally, the Saint Bernard was the breed used to guard the grounds of Switzerland’s Hospice Saint Bernard as well as helping to find and save those who became lost and injured during their travels.
In today’s day in age, the Saint Bernard makes a great family pet and isn’t known to have much aggression at all. Their only downfall is their size and weight which can cause serious injuries to people.