personally I would go with 4 bolivian rams, and a nice size school of cardinals and then plant the tank really well.
Its all about personal taste really, for me I like cardinals and bolivians, the next person its angels,
what you need to do is look at them all and then decide what you might want and the narrow down that list. To just a few.
and from there pick what you think you want in the tank, that helped me a lot when I first started.
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