My Oscar is Sick

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boomer77

Feeder Fish
Feb 26, 2009
2
0
0
Colorado
Hello everyone,

Been on this site a while now, but this is my first post. I've had one of my OScars for about 4 years and 3 months. Yesterday, I noticed she was breathing very heavily, as if she was gasping for air. Sometimes she will just lay on the bottom of the tank, other times she will slowly swim around. She has no appetite whatsoever, which is very unusual for her. She has not had any problems previous to this. Could she just be old and ready to die or could there be something else wrong with her?

She is in a 125 gallon tank with one other oscar, 3 pictus cats, and a common pleco. The water parameters are fine: 0 ammonia, 0 nitrite, and around 10 nitrate. I do weekly water changes, anywhere 75 to 80 percent. I did a 50 percent change today just to see if it would help, but she is still acting the same.

Any advice would be greatly appreciated. I am at a loss and have no idea what I should do.

Joe
 
How big was the oscar when you bought it? 4 years and 3 months with an additional few months assuming you bought it between 3-6 inches is still very young. It's not old age to me.

What filter do you use? Does it produce turbulence? Is there surface movement in your tank? How does its poo look? What do you feed your fish? When was the last new fish added? Was it quarantined? If so, how long?
 
what test did you use for nitrates? perhaps they are higher and that is causing the stress on the oscar. Any new additions to the tank that might have introduced parasites?
 
Thanks for the responses. For filtration, I'm running a Rena XP2 and XP4 along with an emperor 400. There is plenty of turbulence on the surface as I have the spray bars pointing upward. Last new fish was added over 6 months ago and there have been no problems whatsoever.

For water testing, I am using an API test kit that is approx 6 months old. Is it possible that this test kit is old? I wouldn't think so after only 6 months.

One final thing I did notice is when the oscar is breathing heavily, her mouth does not completely close. It only closes about 1/4 of the way.

Thanks for the help everyone.
 
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