Pit bulldogs are the most dangerous and aggressive breed. Its weight is between 16 to 30 kg.

Pit bulldogs are the most dangerous and aggressive breed. Its weight is between 16 to 30 kg.

German Shepherds have become recognized as police dogs. German Shepherds weigh between 30 and 40 kg. It has been banned in many countries.

Dogs of Daberman Pinscher species are also police dogs, this dangerous dog becomes aggressive on seeing strangers.

A 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. Between 1979 and 1993, 15 people died in America due to this species of dog.

Dogs of the Malamute species are found in North America. Its size is similar to that of a wolf. According to a study by the University of Texas, between 1966 and 1980, 5 people have died due to this dog bite.

There are some species of Wolf Hybrid Dogs that have been created from the crossbreeding of a wolf and a dog. 14 people have died in the US due to their bites.

The Boxer species is said to be a descendant of the hounds. Their weight is between 30 to 32 kg.

Great Danes, weigh between 54 and 90 kg.