Pit bull dogs are the most dangerous and aggressive breed. Its weight is between 16 to 30 kg.
Dogs of this species are powerful and also capable of biting very fast. Its weight is between 35 to 48 kg.
Among police dogs, the German Shepherd is one of the 10 most dangerous dogs in the world. They weigh between 30 and 40 kg. It has been banned in many countries.
Dogs of Daberman Pinscher species are police dogs, common people have also started keeping it in homes, their weight is between 34 to 45 kg.
Bullmastiff is an aggressive dog with very long legs. The weight of dogs of this species is between 55 and 60 kg.
Husky dogs are dangerous as well as very intelligent. Their weight is between 20 and 27 kg.
The Malamute is similar to wolves in size and weighs between 34 and 49 kg. These dogs are intelligent as well as full of energy and aggression.
Dogs of this species have been banned in many states of America, because they can attack anyone. They weigh between 36 and 56 kg.
The Boxer species is said to be a descendant of hunting dogs. These dogs are of a protective breed. Their weight is between 30 to 32 kg.
In the absence of training, they become very dangerous. These are also known as killing machines. Their weight is between 54 and 90 kg.