So I have had a Midas blenny and a royal gramma together for the past 2 or 3 months and the Midas has become dominant over the gramma. He has now nipped his tail fin twice in those months. While the first nip healed in a matter of a few weeks, it’s still something I was being cautious about and now that there’s been a second nip, I’m confused on what I should do. Should I just let it happen, separate them, or return one of the two fish