hiya there if got 2 1ft oscars in amy four ft and they are ok with my other fish they been together for 2 yrs never split up and i got them in with 6 silver sharks,a red tailed shark,a silver barb,2 silver dollors,2parrots,a cat fish and a lobster and they have done no harm to my fishive 'aquired' two darling oscars who i know i shouldnt keep together but they've appaantly been together since the previous owner got them so dont wish to split them up. but i am wondering is there anything other than catfish/plecos that i could keep with them or would it be mayhem?