The Pit Bull: These dogs can show aggressive tendencies, but with the right training and socialization, they can be great pets.
The Rottweiler: Natural protectors, they can display aggression if not properly socialized, yet they remain loyal and loving to their families.
German Shepherd: High intelligence and protective instincts can lead to aggression without proper training.
Doberman Pinscher: Known for their guarding capabilities, Dobermans can be aggressive but are typically devoted and protective family pets.
Chihuahua: Small but feisty, Chihuahuas can show surprising aggression. Proper training and socialization can help curb this behavior.