My Freind has a 12'' silver aro his gill's are curling what could be doing this? Water parameters are good!Will they go back to normal or will he have to preform surgery? Thank's in advance!! I will try to get pic's!
Im going to his house tomorow after work to test his water myself and from what i could understand it's the soft membrane that is curling @ the end of his gill!! Thank's
All the fish I have seen with what you describe have been in poor water and have had poor diets. I have also not seen rolling of the gill plates go away. But I do know that once the water and dietary issues are taken care of the fish will do well. They just may not be show quality anymore.
high nitrates...anyway, u should perform surgery..if left like that, the gills will be exposed to bacterial infection which in will eventually kill the fish.