A couple of questions:
What size tank is your display and how long has it been set up? Providing that there is enough space for you fish listed and the tank has already matured I say:
1.You can feed them very little (if you want). Most inverts do fine foraging on their own. BTW, inverts don't do so well with hypo-salinity. This should be done in a QT tank.
2. No. If you have other inverts in the tank they will produce enough waste to keep bacteria alive, especially if you feed them once a week. If you want, to be sure you could put half the fish in, wait a few days, then add the other half. But I would add them all.
10 gal would be ok, for the fish listed, but a 20 would even be better. Keep an eye on the ammonia, nitrite levels and preform water changes as needed.
Good luck.
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220g reef: 4-250w 10K MH, 3-110W Actinic '03' VHO, ASM G4 Plus Skimmer, AquaMedic 200mg Ozone, 3-36w Coralife TurboTwist UV, Pinpoint Salinity Monitor, Korallin C-1502, Korallin S-1502, Aquarium Systems Design Kalk Reactor, 55g Sump, AquaController III w/2 DC8s, 2 - Tunze 6100s, TradeWinds 1/2 hp Chiller, Hammerhead Algae Magnet.
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Jamey's Reef
Six-line wrasses are NOT reef safe!!!!!
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