Problems with Tiger Oscar. Any advice?

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C

charles-n-charge

Fire Eel
MFK Member
Aug 28, 2010
1,644
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Livingston Tx
I have a small 4'' inch Oscar who is growing at an insane rate, it was only 2'' two weeks ago. The past 5 days I've noticed big cuts on it where flesh is shown and scales hang off. They heal up real quick but nevertheless it's not a good thing. I think it's one of the tankmates doing this but I haven't caught anyone in the act yet. It's in a 55 grow-out tank, upgrading to a 200 in about a month, with a 3" blue gill sunfish that I caught in a small pond a few months ago, a 8" silver arowana, two 5" pleco, a 4" pictus catfish, a 5" clown knife, a 6" brown knife, two 5" bala sharks, and two 3" red belly pacus.
I think the sunfish is the problem but I'm not sure. Any ideas on what I could do to fix this?
 
move him out ASAP!! with 2 pacus, you'll need a lot more than 200 gal.

If its getting beaten up, you could give him more hiding spots, but with that many thank mates, moving soon may be your only option.

Im surprised the CK and BK are not the ones getting beaten up.
 
dlobom;4748779;4748779 said:
move him out ASAP!! with 2 pacus, you'll need a lot more than 200 gal.

If its getting beaten up, you could give him more hiding spots, but with that many thank mates, moving soon may be your only option.

Im surprised the CK and BK are not the ones getting beaten up.
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agreed you will need much more than a 200 gallon tank arowanas get pretty big id say at least 300+ gallons for all those fish
 
Move him quickly. Your way overstocked. 55 gallon tanks only really stock to about 46" if you use the length by width method and remember the 1" per fish is not linear, it's cubic. He's getting his butt kicked and like Dlobom already stated, your pacus are gonna need a swimming pool sized tank really soon.
 
Yes I know it's overstocked, it's a grow out tank. And the 200 is only temporary for some of the fish such as the pacus and arowana, when they outgrow it then they'll be moved to a 1500 gallon pond. And i know for a fact that it's not the pacus causing the issue, they're small and very peaceful, they're not suppose to get aggressive til they hit about 8"+ I think
 
True. I've narrowed it down to either the sunfish, ck, or him running into things while chasing after feeder fish. I believe it is the sunfish though because I do see them getting aggressive with eachother a lot. But of course I've never seen it get too bad because they never act the same when they know you're watching them, it's always when the room is still and lifeless that they act like their true selves I think
 
It's not the ck cus I left the room for a couple hours and came back and there was another cut on the Oscar. Must be the sunfish. I have no way of splitting them up, any ideas on how to stop them from hurting eachother?
 
charles-n-charge;4749631;4749631 said:
It's not the ck cus I left the room for a couple hours and came back and there was another cut on the Oscar. Must be the sunfish. I have no way of splitting them up, any ideas on how to stop them from hurting eachother?
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you can use dividers..
 
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