How do I know if my zoas are happy?

Fishy 1

The Reefer From Downunder
I have had my zoas for a week now, they are all open and they are extending their mouths (they are slightly rounded if I look at them from the side). Are they happy?
And how do I know if they need more light or less?. As a first time coral keeper I want to make sure they thrive:)
 
If they are satisfied where they are, they will open up. I have found that more damage is done in the first few days or couple weeks, by messing with them, ie moving them around. Enjoy'em, now go and get a bunch more !!!
 
^^^ what he said
they will close for many reason so don't panic when you see them all closed up. Zoas for the most part are really easy to keep.
 
so if they are all open they are happy Is that right?

Open seems to mean happy in my limited experience with zoas. I noticed you mentioned they are slightly rounded from the side some of mine were starting to look like little umbrellas but a little more flow had them back to normal shape in no time.
 
Open seems to mean happy in my limited experience with zoas. I noticed you mentioned they are slightly rounded from the side some of mine were starting to look like little umbrellas but a little more flow had them back to normal shape in no time.

So do you think they need a bit more flow?
 
I noticed that two of the seem to have a inflated clear skin thing around them and those one are "skinny" as well. But all the other ones are happy, so what is happening to the ones I described. Help please
 
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