10-30-2011, 05:57 PM
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Way, way overstocked. Goldfish
get big fast and are incredibly messy fish. The first Goldfish
should have 15gallons for himself, and then 10 per additional Goldfish
. The three you mentioned alone should be in at least a 30 gallon tank, and that's pushing it. The guppies will mate if you have a male and female in there, bottom line. And with most species, it's usually 1 male per several female, not the other way around. Many males usually get aggressive and territorial , and may stress each other out or kill each other (even in guppies).
Consider a bigger tank, or giving some fish away to your LFS or a friend. Good luck!