DYING DUNCAN

JohnnyTJ09

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image.jpg image.jpg My Duncan has been closed for 2 days now and is not looking too good. All other corals are thriving. Any ideas?
 
What are your water parameters? Lighting schedule change?

Are you seeing the flesh recede or is it just closed? Duncans are divas and will go into hiding for days and then all of a sudden pop back out with new head buds.
 
It's got two baby heads that I can see in the picture. I wouldn't worry about it unless you see it's flesh melting off or receding from the skeleton.
 
Duncans are one of my favorite corals but they can definitely be temperamental. Are you spot feeding it? I wouldn't be concerned considering the new growths. Mine's grown 10-12 new heads in the year since I've had it.
 
Experiencing the same thing. Finally failed my calcium and params in after weeks of instability. Praying things are back on the incline now
 

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