Guppies & Mollies! How can you tell if they're pregnant?

I have one guppy and one molly that I think mite be pregnant! How can I tell that my fish are pregnant before they have theire babies?

Answer #1

Yep. That’s how you tell - big stomach. When they get big the mom should be isolated in a birthing tank. Big fish eat little fish and there is no parental instinct in mollies. You can get a birthing tank at any pet store that sells fish. If you have a good number of plants in your tank, that will also allow the babies to live long enough to survive.

Answer #2

well, are they getting big in the stomach?

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