does anybody have a problem with their big fish and cloudy eyes.

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mudkeeper

Feeder Fish
MFK Member
May 7, 2007
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NJ
I notice with my crappie, ussually when its time for a water change, his eyes become slightly cloudy, but none of my other fish show this. This may prelong for several days and weeks, but his body and feeding habits are healthy. I am wondering if this happens to your bigger fish, since i have seen large fish at aquariums with the same problem.
 
When I had my big severum she did that too. Also my big marbled pim did that alot.

Chad
 
I would suggest testing your water at least once a week. I change when nitrates hit 20. Not a good idea to use cloudy eyes as an indicator of a neccesary water change.
 
i have a 12'' rhaphidon that happens to every once an awhile. im not sure why but my water is always top notch and i keep my nitrates below 20 as well. not sure why it happens but its only that one fish.
 
I've never had this happen to my aquarium fish but I have had this happen to recently collected fish. I suspected it was scratching from the container but KSI's ammonia suggestion might have been the cause in my case and in your's.
 
There are a few causes for this and often exactly which one (ones) can be hard to pin..Dietary difficency and poor water conditions are the top reasons for this.

I really do not have time right now to expound but this has long been a studied issue with captive fish in public aquariums and Zoos (and currently being investigated by a small band of Hobbyists as well..E_americanus and I have had detailed discussions about this and have been extensively researching the causes and cures in Anachronistic fish)..The simple and straight answer here is that there are multiple causes for this and without a detailed diagnosis of tank conditions and Husbandry protocol finding the exact cause for this is rather futile and even with it it might not tell you much.
 
Idk, it could come from ammonia spike, i do 30% water changes one every 2 weeks, but their are little other signs of amononia burns, unless it is due to the sensitive membrane of the eye. Could it be from soft water or acid, because i do know when i add baking soda (modest amounts) to the water it ussually helps clears the eyes. I just wondered since i seen this common to many fish 8 + inches, and newly introduced fish become stressed out and this is common side effect as well as frayed fins.
 
I completely forgot to add:
Many of my very old fish get cloudy eyes in old age. It never seems to clear up and I've taken this as a signal as the beginning of "the end". In many cases the fish live for quite some time afterwards but they clearly are degenerating from this point.
 
just do a 20% waterchange weekly and it wont happen.

crappie arent the strongest of fish (most tolerant) so its no wonder it is the first to turn. i came home from vacation two years ago and my oscar was like that but rrreeeeeaaaaalllllllly bad! it took almost a year to heal.
 
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