Green Terror pair fighting?

Yes, that is true its a tad small.

I will try and catch the more agressive one and trade him for something else. Hopefull the remaining smaller one IS a male, and continues to be non-aggressive.

Maybe a species that is non agressive but but nice to look at. Whatever I choose however will eventually be food as the oscar grows up! I have always liked Danios... they are greaceful.
 
Danios will become a tasty treat for your green terror and oscar in no time. Not a good idea at all.
 
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