Be nice to know a lot more info on the setup......size, water
parameters, filteraton, were all fish placed in the tank at same
time, etc etc etc....thats a pretty agressive type tank.

On 4 May 2007 13:15:13 -0700, Owesport wrote:

I hve had about 5 different oscars in my tank. Initially there were 3
oscars and 3 jack dempseys and 1 pleco. All of the oscars have died,
incuding the replacement 2 I bought to equal 5. I pleco has died but I
replaced it. The dempseys have lived. Do you think that the dempseys
are killing the other fish?



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I forgot more about ponds and koi than I'll ever know!