I just got a 6" aba aba a few days ago and right now he's with a bunch of bichirs and an African knife. He's eating tilapia fillets and so far I have seen no aggression towards the other fish. I know eventually it will get extremely aggressive and territorial and start harassing and even killing the other fish, but I have also seen vids on YouTube of people with large ones in aggressive communities. I was just curious about those of you that have kept these with other fish long term. Did you keep them all together since they were little or is your tank so overcrowded that there's no way for it to establish a territory? I am just curious because these guys have quite a reputation for being one of the meanest fish out there when they're large.
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