Well, I just got a nice little Filefish in this week. It is in great condition, seems very comfy in the tank. No one messes with it. It just cruises around picking pods from the rock. Loves feeding time with anything frozen, tries it all. So far I have yet to see it eat an Aiptasia ??? Good thing is, I have not seen it pick at any corals what-so-ever. I have even seen it get down in between polyps to pick a pod or something. I intentionally bought a small fish, it is only about 1-1/2" long. So do the smaller ones have to learn to eat the Aiptasia ? I even killed a bunch of them with the Aiptasia X, hoping that maybe he would start picking at the leftovers, but no ??? So when They start actually eating them, do they just casually swim by and sneak a quick bite as they come close to them, or do they just move in and start eating the whole Aiptasia till it is gone ? I don't see how they could eat them all if they are retracting into holes and crevices ??? Otherwise, it is a really neat little fish. Very unique. Fun to watch, changes colors constantly to match the background and surrounding area. Can you have more than one ? How long should I wait for him to come around ?