They would play 'nice' with the geos and severums, its just that your geos and severums might not get as long or as nice of finnage as they could have.
Having said that, I used to have Hoplarchus psittacus, Geophagus sp. 'red head tapajos', and Crenicichla sp. 'xingu II' in the same 125gal tank.
It can work.
My pikes generally leave everything alone that doesn't start crap with them. My female texas gets a beating every once in a while though cuz she tries to punk them. LoL
Having said that, I used to have Hoplarchus psittacus, Geophagus sp. 'red head tapajos', and Crenicichla sp. 'xingu II' in the same 125gal tank.
It can work. My pikes generally leave everything alone that doesn't start crap with them. My female texas gets a beating every once in a while though cuz she tries to punk them. LoL
my old sveni use to get along with everyone except for my datnoid who's now in another tank. i'd be a year at least before i can upgrade to something wider