Good looking fish you have I'm set to just what petco have in arkansas I haven't found any freshwater stores like they have in ks and petco has just your normal run of the mill fish sadly.I have a single polleni in my 75. She's awesome and very interactive.
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Or maybe a severum, a couple electric blue Acara, and some Cory cats or rams for the bottom.
Or a Leopard Ctenopoma with some Congo tetras and maybe some African butterfly fish. Not cichlids but would be a cool tank, especially if you added plants.
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