While each of my fish were in QT, they recieved food training. For my Vlamingi and Blond Naso all food was introduced in the top left front corner of the QT. If I put my hand there, they went nuts. If I put my hand anywhere else, no real response. For all other fish so far (2 Genicanthus, 2 Chromis, Thompsons Tang, Yellow Coris Wrasse, Royal Gramma) all food was introduced in front of a powerhead in various locations, so they were used to blowing fast moving stuff. If it doesn't move they don't eat. In the display the large tangs eat at the front left top. The flakes and thawed frozen food goes in the sump right in front of the return pump inlet, so the food comes out of 4 loc-line returns and the smaller fish go nuts chasing it. My Copperband is being trained in the right rear, and that's where I'll feed him in the display, while the others are chasing what's moving.