Is my fish sick? Please help

mmarisca

New member
Hello all, I'm about 2.5 months in and everything has been going exceedingly well by all accounts. I got a Kole Tang about a month ago. I did not use a QT. In fact, my plans this week on my day off was to get that all started up because I didn't want to add another fish without one. In the last few days I've been noticing some faint white spots on my Kole Tang in morning. The picture attached isn't the best but I think you can make out what I'm talking about. The funny thing is that after a few hours with the lights on these faint spots seem to go away. His behavior seems fine, is eating good, but every morning I wake up thinking he's in rough shape.

I did a water change yesterday thinking that would help. Should I set my QT up with water from my tank and medicate him just in case? This is my first experience with sickness in saltwater and have read a number of threads on the site about it but really could use some guidance. Thanks.
 

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If you suspect its ich your going to need to keep your DT fallow or you will run into the same issues when you put the Kole tang back in.
 
That kole tang is very ill, and probably too far gone.

I would remove immediately and treat with copper.

I give it a 25-33% chance of survival with proper cupramine/copper treatment. (I would 1.5-2x the recommended dose, but start out at the recommended dose and slowly increase).

I can't keep koles alive, I don't know why. Achilles and powder blues do fine. I cannot keep easy tang like Koles alive.. tried twice on divers den. SMH
 
Mine looked like that before and I got him about the same time you did regarding tank age. He did not make it. Got all splotchy, faint and died
 
I never did find out what it was. It looked like stress spots. He ate fine for a month and then stopped eating, started hiding, flashing and died. Had him maybe six weeks but my tank was not mature enough for him
 
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