I plan to make this tank more of a display tank with larger colonies. I will still see how it goes with keeping some frags with the starry blenny. A good portion of the frags in here are expendable anyway. The LPS ones I really care about can be dipped in a SW / hydrogen peroxide dip regularly before the fish is introduced. That really cleans them up.I think the indiscriminate munching is ok in a larger tank with mature coral colonies. However in smaller tank, or in a tank designed around raising frags, there is risk.