I just picked up a african red knob today and i was told he would be fine in my tank. When i got home i read they might eat other starfish, has anyone ever had this problem with these guys. I have a chocolate chip and and a general starfish which i don't want turning into snacks. I was told if you kept the starfish well fed they hardly ever go after another star, so i been trying to feed clams. I thought it would be cool to have a tank with all different types of stars and now wondering if that's possible at this point. Any input is much appreciated.