RTC Fighting

[Redbellypiranha]

I have 2 4 inch RTC today I saw them lip locking with each other I'm supposing this is fighting because of their age and size. Should I separate them? They have been together sence I bought them couple weeks ago.


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[thebiggerthebetter]

It's a territorial dispute, common among small RTCs. It will largely pass as they grow up a bit. If it gets vicious/damaging, I'd either separate, divide the tank, or move both into a bigger tank.

I've had seven 2"-ers in a 120 gal. They fought sometimes but mostly were ok.