have you considered an oscar there very fun to watch exspecially when fed live feeder fish. they like to move around and they follow your finger my sister owns oscars,cat fish, plecos,silver dollars,and some kinda of shark don't know the name. i'm also getting 2 oscars on the 10th of november 6 days earlier then i thought.heres some pics and little info some of that info is a bit wrong like you can't keep just 2 your better off having 6 don't listen to that bit you could own 1 or 2 as many as you like there just saying that so you buy more well heres the link
http/www.aquariumfish.net/catalog_pages/...ical/oscars.htm
and heres another one that seems to be better then that last one
http/honors.montana.edu/~weif/firsttank/oscar.phtml have fun bye