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.
14. Rhodesian Ridgeback
The Rhodesian Ridgeback is originally from Southern Africa. It has the ability to keep lions away from prey while the dog’s owner goes in for the kill. It is a somewhat domesticated hunting dog.
Ridgebacks make for a good family pet who is extremely loyal to them, but they are very standoffish to strangers. This breed is also known to be overly sensitive so it’s important they receive the proper training, or they may develop an aggressive side.
15. Bullmastiff
These dogs were originally bred to be guard dogs, so it comes as no surprise that they are so big and intimidating. They can grow to be rather tall and weigh up to roughly 130 pounds. There’s a lot of strength inside these dogs when they become aggressive especially. Naturally, they can have a bit of a temper which requires a lot of work with an experienced trainer to overcome.
In 2014, roughly 5% of fatal dog attacks were caused by this breed. They can be aggressive towards other dogs of the same-sex and cause a lot of property damage to your home if they are not supervised. They are very protective of their family and will attack if they feel they themselves or their owner is in a threatened position.
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.
18. Japanese Tosa
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.