Koran angelfish has problem with eyes!

Pearl2011

Water change would help probably (has helped me with fin rot in the past). I am unfamiliar with saltwater tanks, but maybe its the live rock? And your nItrite should be 0.

wseidl515

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sidluckman

I would treat this fish separately in another tank with an antibiotic/antifungal and see if that will help. Your tank (75 gallons) will only be adequate for a couple years. This fish and the eel are both producers of lots of waste. I don't recall if you said how often you do water changes; I recommend weekly, upgrade circulation in the tank with propeller pumps and increase skimming, none of which can hurt.

Hope this fish pulls through, but I doubt the infection will clear without intervention. Still this is a hardy species, and it's amazing what fish are capable of. This is one of my favorite angels: good luck!