Zoas

[gareth.hubbarde]

Got these zoas, been in the tank now for nearly 2 weeks. They are growing, new ones coming from the bottom. However they don't seem to open much at all. Any reason why they wouldn't open?

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[ReeferNoob4ever]

Mine did that when the flow was too strong.

 

[nereefpat]

Could be any number of things: Lighting, flow, water parameters (s.g., temp, alk, NO3, PO4, etc), something picking at them...

 

[Arnallop3]

Place them in an area with lower light and lower flow. Give it a couple of days see if they open up more. My zoas were the same way. If the frag was made recently the polyps could just be unhappy w you but they will bounce back