Most Aggressive Dog Breeds Revealed

Originally bred for bull baiting, pit bulls can be aggressive to other dogs. Require extensive socialization.

Pit Bull

Territorial guard dogs that can react aggressively in certain situations. Need experienced handling.


Intimidating guard dogs that are fiercely protective. May be aggressive with poor socialization.


Not typically social dogs - don't back down and tend to be very territorial over their homes.  

Chow Chow

Bred to guard livestock, this mastiff breed can be dangerous in novice owners’ hands.

Presa Canario

Watchful, protective nature makes them prone to aggression if not properly trained.

German Shepherd

Typically very playful, but may show aggression towards other animals. Need training.


Top Guard Dogs to Keep Your Family Safe