There are many reasons for dog aggression towards other dogs.

Territorial instinct kicking in

A possible motive for dog aggression towards other dogs is that your dog may sense a threat to her territory, which includes her personal space and you. She wants to protect you at all costs, and will likely act aggressively if she believes that there is a danger to her space and your safety.

Desire to be the leader

She may believe that there exists a threat to her leadership status in the pack. She will behave aggressively to another dog that she senses may be trying to steal her position as the alpha dog.

Fear and panic

She will feel threatened by certain dogs. Perhaps their sheer size scares her, or maybe she is reminded of a dog that she previously had a fight with, or was scared of. It is important not to confuse this fear aggression to a certain stimulus with aggression under any and all circumstances..

There may be a previously undetected medical condition

There always remains the possibility that a previously undetected medical condition is the cause of the problem. It is vital that you contact your veterinarian to discuss this possibility at once if the aggression appears to be continue unabated.

Signs of dog aggression towards other dogs can include raised hackles, snarled lips, bared teeth, ominous growling, a low head to the ground, a low tail to the ground, and prolonged eye contact.

If you see these signs, you should immediately realize that you have a problem. If you would like to learn how to stop dog on dog aggression, you can either decide to take the initiative yourself, or you can enlist the services of a professional trainer. Whatever course of action you take, steps should be taken to rectify the situation immediately. A dog fight can result in injuries to your dog, you, the other dog, the other owner, or an innocent bystander trying to break up the fight.

If your beloved dog displays a propensity for attacking and injuring other dogs, perhaps even killing them, then you face the danger of your beloved dog being seized by the proper authorities. Consequently, there exists the possibility that your dog will be euthanized if it is proven that he or she is a threat to other dogs, and to society in general.

You may also be subjected to a civil lawsuit.

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