I don ' t think random people on the internet are qualified to be answering this tbh , as some of the nonsensical answer here prove <| sep |> Kinda sad that this was a Lewiston PO and not an Idaho Falls PO . they ' re on opposite sides of the state . How can the person who labelled that get them confused ? D <| sep |> What are you going for South American biotope type with the cories ? Personality ? Centerpiece ? On the beginner side , Cpd ' s are small fish with great individual personalities and interesting behavior , but you need at least a dozen for them to play nice with each other . Tetras are pretty and peaceful in sufficient numbers . A pair of mf dwarf gouramis are an interactive centerpiece . More advanced , I love scarlet badis Aquatic Arts has good ones .