sick anemone

I have a long tentical (corkscrew) anenome that has been in my tank for 6 months. I feed him regularly and he's grown alot. He was looking well all day and after I did a 40% water change he started to react strangely. I have other corals in my tank that haven't reacted to the water change at all...

hello everybody!! so i'm new here and i really need some help with my new green bulb anemone... i have no idea what is happening to her. the first day i had her, wednesday, she was great. she found a little cave-like hole in one of my live rocks and she was full and beautiful. taking food and...