Adding Ctenopoma (Leopard Bush Fish)

[latapy10]

Yes, I'd be curious to know what size tank the OP has. I had one full grown cteno in my 135 gallon with various other peaceful occupants and added 2 more full grown ctenos with no issues. They all 3 get along fine. But a smaller tank could be a different scenario.
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In my 125 litres tank is my ctenopoma quite agressive fish....IF tank for ctenopoma is smaller than the agression of this fish will be higher...

 

[L3CTR0N]

I had a pair in a 30 gallon back on 2 separate occasions in the day. Never any aggression issues. I did grow them out together though.

There was another time where I added a third ctenopoma. No aggression issues either but the smaller one was mean to other species for some reason.