Cichlid-wise I've only owned convicts. They are pretty aggressive and I hear they are one of the most. But from what I read here, umbee X)
I had a spawning pair and they wouldn't stand a chance against the Amarillo.AfricanCichlidFan;3368674; said:Tilapia Buttikoferi...are the meanest...I have one(1.5 inches) and this little Butti is bullying my 4 inch Bumblebee cichlid, and 3 inch Convict's. You will be surprized how mean they get..even at small size.