06-12-2011, 11:57 PM
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Originally Posted by kathstew
So, my sister got a calico platy female on May 31st. There is a male in the same tank as the female, since the first day we got her. How long until the female looks pregnant? Its been about two weeks since we think they've "mated", but she doesn't look any bigger.
I would look for the gonpodium thing (I think thats what its called) but because she is a calico, she's already black in that area.
There is a good chance that your sister's platy is already pregnant from where you got her if she was kept in a tank that had males in it. You will see the platy's stomach getting bigger and will eventually start to look square, to the point were you think that she is ready to explode. The gonopodium is the modified fin on the male. You might be thinking about the gravid spot that you can see on some females depending on the coloring. Also keep in mind that the gestation period is about 4 weeks. Hope this helps.