My filefish ate every aptasia in every nook and cranny in my tank. In one week. Some spots , I’m like no way he can get that one. Like magic, all gone. I work 12 hour shifts. If I kept it fed, it would Never have touched my zoas. Specifically, the really small zoas. But, someone else told me theirs never touches the aptasia at all. I saw Nemo in Stone Mountain have one for $35 yesterday. Buy it, then let it do its job and then trade on Arc or Facebook. I got mine from there so that filefish got to be from same place mine was from