nice fish but can be a bit psycho,mine takes we moods now and again and will chase the 2foot long pacus nipping away at them,it will remove a few of theyre scales,not to bad
it seems to have just gradually faded since small,but still quite colourful at 18".tankmates are various sized ca cichlids,barbs arowana,lots of catfish up to 3 foot rtc.i,ve heard they can get to about 30",hope so!