This breed is a leaner & longer version of English bulldog. They are famous for their excellent ability to guard the farms and hunt small games despite having a pleasant & friendly demeanour. They are banned in Denmark, Singapore besides India.
Bandog
This breed is popular for being excellent guard dogs, which has been created using multiple breeds. They are ferocious and not possible to own them if the parent breeds are restricted where you live.
Neapolitan mastiff
These dogs are huge with males weighing up-to 200 pounds. You have to pass psychological evaluation if you want to own one in Romania. These dogs can prove to be dangerous once fully grown & should not be kept around children.
Wolf dog
This dog breed has always been amongst the controversy. They are breed of wolfs. This dog has a very unpredictable nature behaving like a wolf sometimes and like a dog in certain situations.
Boerboel
This breed originates from South Africa & its appearance resembles an athletic Bull mastiff. They can be very destructive & dangerous if not trained properly. Normally they weigh more than 150 pounds.
Dogo Argentino
This breed was first bred in 1928 in Argentina & was taken from an extinct breed known as "Cordoba fighting dog" after mixing it with various other breeds. They are known for their big games & are capable of taking down dangerous prays such as mountain lions.
Pitbull
Pitbulls are one of the most misunderstood dogs & are considered to be extremely dangerous. They can't be legally owned in many countries throughout the world.