Normal? Right gill more flared out.

dr exum

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Injury?

B02A1A62-1841-43DB-AD6D-86D13EF65AC0.jpeg
 

kno4te

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Looks like gill curl. Not from injury. Sometimes acquired due to poor water quality and genetics.
 

dr exum

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Looks like gill curl. Not from injury. Sometimes acquired due to poor water quality and genetics.

Ahh, there was a little ammo... better now.

It goes away?
 

kno4te

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Ahh, there was a little ammo... better now.

It goes away?
Believe viktor posted about this. Had similar and got better and others didn’t.
 
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thebiggerthebetter

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Gill curl takes a long time to develop in poor water or so we believe or know so far, I think.

I'd guess your case is likely genetic. The RTC we get are farmed and their genetics is overall sub par. Moreover, their raising conditions are probably poor too as they are raised as cheaply as possible, probably in SE Asia, perhaps in SA too, in the name of maximum profit, just like most things enterprising humankind does.

Then we come along and gobble it up, let it be food or ornamental fish.
 
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