i broght a moorish idol this week its making good with my tankmates which are hippo tang, tomatoe clownfish, 3 damsels, 4 butterflys, 3 angels, dragonet. and i have to bring an empiorior angelfish. What exactly i have to feed the MI apart from her normal diet which is coped octopus and algae from live rock? how do i feed her sponges?