Dog Breeds Known to Be the Most Aggressive

Pit Bull 

Pit Bulls were bred for fighting and make up the majority of fatal attacks on humans. 


Rottweilers are powerful dogs with strong bite force. Attacks often involve poor breeding, training, or irresponsible ownership.

German Shepherd 

German Shepherds can become aggressive without proper training. Their size and power demand experienced handling.

Doberman Pinscher

Dobermans historically had a reputation for being aggressive. With proper breeding and training, they can be gentle pets.


As a mix between a bulldog and mastiff, the Bullmastiff has great strength. They can be aggressive if not socialized early.

Siberian Husky 

Siberian Huskies have a strong prey drive and tendency to attack smaller animals. They require training and containment.

Alaskan Malamute

Alaskan Malamutes were bred to hunt large polar bears. Like Huskies, they have high prey drives requiring control. 

Dog Breeds That Have Saved People’s Lives