Cakilla;3607887; said:I wouls say the minimum tank size for green terrors and oscars to coexist would be somewhere in the 120+ gallon and would still need heavy filtration
nishant_datta;3607936; said:dude, it may be ok to start with but eventually the situation will get worse. oscars are great community fish but only in big enough tanks. in my experience in smaller tanks they can get pretty nasty. loose one oscar and maybe u can get away with it. try convicts instead of GT as tank mates to a lone oscar. with def work in your tank. good luck. if u need a pair of convicts then come and pick em up from me. i have a pair that i no longer need.
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