What benign of fish should I put surrounded by my 55 gallon cistern?

I want some type of community fresh water fish

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any fish except gold fish or koi they grow huge.

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Have you taken a look at any of the online fish charts to check for compatibility, whether not here's one that you may enjoy
http://www.tropicalfishandaquariums.com/...

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Answers:    most types of fish will go in near just dont put any cichilids in there even angel fish as they will nip respectively other fins. Guppies, mollies, and get sum algae eating fish like a plec or corrydory . also dont find any sharks ,: red tail etc as they are terrotorial , Avoid barbs as well as they are a bit terrotorial and like to nip fins

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turn with any kind of tetras they're a nice schooling fish

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