View Full Version : factors that effect polyp extension
Twistedpro
05/12/2006, 01:32 AM
I was wondering what factor effect polyp extension, reasons they close up tightly etc. WHat is normal polyp extension?
Michael7979
05/12/2006, 06:27 AM
If your polyps retract it could be several things..........a nipping fish, red bugs, lighting, water quality.
Need more info. on the tank and its params to give you a better answer that is narrowed down.
Rendos
05/12/2006, 10:01 AM
It also depends on the coral. Some corals like Acropora millepora have longer polyp extension than others.
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