Generally, chihuahua dogs are not Aggressive but in some cases, they are likely to display Aggression.
This breed is easily anxious or frightened which leads to Aggression.
They become frustrated or exhibit Aggressiveness if not properly stimulated.
This toy dog breed is most Aggressive due to their territorial instincts.
This toy dog breed is likely to display an Aggressive nature when they sense a threat.
Pekingese toy dog breed leads to fear-based Aggression due to insufficient exposure to various people.