I had that same issue when I first brought Niko home. Mo was very territorial. Still is at times...lol! Mo would guard the kitchen and sometimes both bowls. I feed one in the kitchen and one in my dining room. No problems now. Mo will still growl sometimes at Niko if she's sitting with me and Niko comes near but they do get along great now. But I would give them seperate bowls in different rooms. That worked great for us! Good luck to you!