Do any of you have cats AND a pet rat? I use to have a cat that was cool with a rat, she knew it was a pet and never went after it,as a matter of fact they went for rides on her back. But do most cats adapt if you bring one home, or do they stress out the rat? Please don`t say rats are horrible, I had two that were so freindly and loving and would even purr when you scratch their heads, and they are so much more prone to bite less than any hampster.I have one mellow cat and one that is feisty and bites us, she is the one I would worry about.