1) Is there any fish that will pick at them? some angels
2) water parameter's for them std nsw values are good,they can handle low trates and phos better then most corals
3) do you feed them you dont specifically feed them,they get there foods through photoperiod and dissolved butrients in the water column
4) lighting high or low that depends,many sp can handle both but will do better with one or the other. My orange zoas like to be high in the tank,my greens and reds prefer middle
5) Flow strong, low or medium medium is good
6) will they have chemical warfare with other corals and if they do how close do they have to be idk
7) anything else to be aware of when you first get them place them low and move them higher till you find the spot that they open best for you,a week in each spot is good. easy to frag without doing a thing,simply place rubble close to them and let them grow onto it. use turkey baster to blow off the colonys nooks and crannys to keep junk from settling in and causing algaes,bubble algae seems to like these spots. Handle with care as they are poisonous and can cause rashes.