I had a small 160L tank, cost about 1000 dollars. Kept spending money buying more zoas and palys before I realized the filefish was eating them - he never did it while I was watching and started about 3 months after having him. Cute little gobshite though. Isolated him in a temporary tank, but then aiptasia started growing. Filefish back, zoas got munched. Left the hobby now but I fear I might do it all again.