i agreeActually, there's a better-than-not chance that either your fish CAN'T become pregnant and lays eggs, or is impossible to breed in captivity. You never know. Unless you know the species and do tons of research.
I just put what Yahoo answers said (as I stated in my post >_>, not that it was true. And I think Yahoo Answers means the tiny fish you get from the fairground, although they might be able to breed... no idea.;.;LEEWhit;.;, goldfish can breed, but they need a pretty big tank because they need to grow to at least a foot (which can be prevented in a small tank) and you'll need a male and a female.
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