Haddoni Deflating / Shrinking

Maddlesrain

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Looking for a bit of information, reassurance, or advice on why my Haddoni anemone might be shrinking like this.

This is one of two Haddoni anemones in the tank.

The other anemone is opening full and happy.

Last week, we lost power for over 30 hours, and I had almost half of my fish die, but have not lost any corals or anemones (yet). The power came back on Tuesday late morning.

The anemone was opening VERY full prior to, and even during, the event. The temperature dropped from 75F to about 65F during the power outage, and I raised it back up to the regular temp over a couple days in an effort not to shock anything further than it already was.

This morning, the anemone was opened fairly large, and it will inflate and look normal for a bit before shrinking and looking quite sad. I offered it a small piece of oyster yesterday when I fed the fish and the other anemone, and it did grab the food. Otherwise, I'm trying to leave it alone. Is it likely that the anemone is just grumpy from the entire ordeal and will recover, maybe expelling waste from stress, or is it something I should be more concerned about? I hate seeing it so deflated :(

Attaching a photo from tonight, and from only a couple days before the catastrophic power outage. The anemone is pretty big, opening over a foot when happy.

20250301_175930.jpg 20250221_132516.jpg
 

DaJMasta

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It's probably worth checking parameters again to make sure nothing has turned suddenly - sometimes ticking everything off can drop consumption of elements and make automated dosing overshoot and something something that was stressed and died later could make a secondary ammonia spike.

If parameters are OK and the tentacles are sticky, I'd leave it be and just continue to monitor.
 
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Maddlesrain

Maddlesrain

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It's probably worth checking parameters again to make sure nothing has turned suddenly - sometimes ticking everything off can drop consumption of elements and make automated dosing overshoot and something something that was stressed and died later could make a secondary ammonia spike.

If parameters are OK and the tentacles are sticky, I'd leave it be and just continue to monitor.
Thank you for the response! Working on testing things now. Nothing is jumping out as being out of the ordinary so far. Hopefully the anemone is just in a funk and will be happy again soon!
 

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