How To Know If You Have An Aggressive Puppy. The puppy might be too unpredictable or severe in its aggression. You may be wrestling your pup, playing fetch, or just giving them some loving belly rubs.
Even if your aggressive puppy is showing signs of territorial behavior or attacking your older dog, there are things you can do. You may be wrestling your pup, playing fetch, or just giving them some loving belly rubs. However, those teeth will eventually start to hurt if you don't take action.
If you notice any aggressive tendencies in your puppy, the time to act is now.
The only way they know how to effectively communicate is with their mouth, so they'll gnaw on your hand. If you notice any aggressive tendencies in your puppy, the time to act is now. Growling when you or another dog approaches their food or toys. These behaviors display the initial phase of aggression.