Originally from Japan, Akitas are strong, independent dogs known for aggression toward other animals. Require extensive socialization.
Massive, powerful Mastiffs can reach 200 lbs. Known for loyalty but require thorough training.
Cross between domestic dogs and wolves, tend to be unpredictable and difficult to train. Not suitable for all homes.
Bred as guard dogs, Cane Corsos are intelligent but can be aggressive and need experienced owners.
This extra large breed has strong guarding instincts. Require constant socialization and firm leadership.
Known for jaw strength, pit bulls account for majority of fatal attacks on humans. Require intensive training and socialization.
Cross between domestic dogs and wolves, tend to be unpredictable and difficult to train. Not suitable for all homes.