Does this Anthias have ich?

[clhardy5]

Backstory - These 3 female Anthias were at the LFS for two weeks. They looked good. I brought them home and put them in observation QT for the first week. There is also a baby long nosed hawk fish in the tank. After the first week, I treated with API general cure. They were eating/swimming fine. When I was getting ready to do the second dose of GC, I noticed one of the Anthias has a couple of white spots....mainly on her tail. I also noticed that she is being harassed by the largest female (maybe transitioning?). Anyway, I have my Copper tank ready to go....but really don't want to stress the Anthias out any more if I don't have to. I wasn't going to treat with copper initially - just do a really long observation QT. So.....Am I correct that she has ich - and I should start treating all the fish asap? Or is it something else I can observe - and I should go ahead and dose the second round of GC? Sorry for the dirty glass. The fish I'm worried about is the one in the second video that I follow with the camera.

Anthias video

Anthias eating Mysis

 

[vetteguy53081]

The bubbles and movement is making it hard to see boy may be lymphocystis which is viral and often associated with water quality and high ammonia or inadequate diet or Both
Being a qt tank, keep an eye on water quality

 

[clhardy5]

Thanks....been changing the water every 3 days (25%), and have an ammonia badge. But just in case, I did a 100% water change, and moved them into a new tank that I was setting up to do copper if necessary. They've adjusted well - and the weird thing is that the spots on the one Athias fins have disappeared. I'll try and get better photos later. But, would ich disappear in a couple of hours? what about lymphocytis?

If it is lymphocytis - Will it ever be safe to put these fish in my DT?

ps...since everyone looked good....I went ahead and did the second dose of API general cure.