Cardinal fish got cloudy eye....help

[bucfan]

My cardinal fish has one cloudy eye. He otherwise looks fine. What could it be?

 

[Bouncingsoul39]

Cloudy eye is usually related to poor water quality. The start of a bacterial infection. Sometimes though it's just because they accidentally scraped it on a rock or something. I would do a water quality test first and see what's up. Check, ammonia, nitrates, nitrites, PH. Let me know those numbers and we can go from there.

 

[bucfan]

checked all parameters and they are within range, all other fish look fine

 

[Joe S]

If the cloudy eye is only present in one eye there is a good chance it was caused by a mechanical injury (infections or wq related eye issues usually present themselves in both eyes). For now I would make sure the fish stays calm keep an eye on it. No pun intended!

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[Aquaph8]

I agree, it should heal on its own.

 

[Nhjmc]

I’ve got the same issue going on. I’ve got two Banggai cardinalfish in my tank all of a sudden one is darker in color and in top corner of tank won’t leave area and other has one cloudy eye. Read online I should remove the cowering one anyone have any thoughts on this? Thanks.

 

[Jay Hemdal Verified Community Expert]

Often, one cloudy eye is simply due to an injury, but two cloudy eyes can indicate a systemic infection. In addition, cloudiness combined with exophthalmos, popeye can be something else altogether. Posting a picture might help us identify the cause, or at least rule out some causes.

Jay

 

[Nhjmc]

Often, one cloudy eye is simply due to an injury, but two cloudy eyes can indicate a systemic infection. In addition, cloudiness combined with exophthalmos, popeye can be something else altogether. Posting a picture might help us identify the cause, or at least rule out some causes.

Jay

Thanks Jay. So weird but it’s gone away. Also the one of the two that was cowering in upper right corner of tank is now back next to other cardinalfish. Weird.