Don't have a poor little cory all alone! Definitely no less than 3, these guys are very social fishies! And once you get a few you will want more anyway, these are the sweetest little fish! You should get a 10 gallon for the neons and cories. Both of these fish live in schools and while one would *survive* in proper conditions, it would be a sorry fish. Unhappy fish are more stressed and unhealthy so only keep single fish if they like to live that way in the wild.
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