Oscar and Clown Knife are fighting. ??????

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lujor

Feeder Fish
MFK Member
May 8, 2007
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Here&There
My O and CK are fighting at night I think. They both like the same general area of the 240gal tank they are in, even though there are other places they could hide. The Ck is about 8" and the O is about 6-7". They are not very aggressive during the day, but both seem to have a few new scrapes (esp the ck) every other morning or so. They are the biggest two things in the tank other than a 10"RoyalPleco. Should I try to rearrange the tank to undo their territoriality, or will it gradually lessen as the CK outgrows the O? Am I doomded? I really don't want to move or get rid of either fish- The O is my 6yo son's favorite and the CK is my favorite. Any suggestions? Anyone raised this combo before? Mine have been living together for a few months with few problems until recently. They are well fed and water conditions are very good.
 
i would try and get some thing new for the CK to hide under or stay around otherwise he will be stressed and become very mean and aggressive. I had one that was at 16" and he started picking out the tank fish by fish when they went by him. Now i got two more that are under 10" and are very happy they have two hiding places a piece and they don't fight with any other fish. therefore i would try and get some thing new for him to hide in or separate the place they like to hide in. Just keep trying new things see if either one will work
 
Feed the fish at night. Make sure the clown knife eats well. If the this and the above doesn't work, then you may have to separate the fish..
 
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