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Old 01-25-2020, 03:14 PM   #1
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Platy Fry

Hi there,
I hope there is someone here that might have the answer I am looking for.
I have two 29gal tanks set up one for my males and one for my females.
I have 6 female platys that became pregnant before I separated the males out into the new tank. I have noticed that there will be 3-5 fry show up every week or so and they are all still visibly pregnant.
There are definitely no males in the tank
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Old 01-25-2020, 06:02 PM   #2
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Generally the females can bear several batches of fry and for quite some months without males around. Someone might have exact figures. I assume itís a survival thing.
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Old 01-26-2020, 07:03 PM   #3
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Females can store sperm for, if I recall right, up to 8 weeks. Eventually you'll stop getting new little ones.
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Old 01-27-2020, 02:06 AM   #4
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Ohh really!
That’s actually pretty cool.
Thank you for the info.
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Old 01-27-2020, 06:29 PM   #5
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Females can store sperm for, if I recall right, up to 8 weeks. Eventually you'll stop getting new little ones.
Most females of ovoviviparous livebearers such as these can store sperm packets for over a year even. But the quality of those sperm packets when stored for over a year will become less. A lot of people think they are only able to store such packets for a few months but it's really over a year.
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Old 01-29-2020, 07:29 PM   #6
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Handy info - I wonder why. I assume this all for survival but would of thought males would be more common in nature.
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Old 01-30-2020, 09:16 AM   #7
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Handy info - I wonder why. I assume this all for survival but would of thought males would be more common in nature.
Well, the ability of storing sperm packets is a survival strategy in free nature. In case there are no males anymore or a lack of males within the colony, this ensures to get the population going on. For a certain number of ovoviviparous livebearer species occur in preditory waters and therefore a number of these livebearers will be eaten. And as long as there are surviving females that are storing sperm packets, they can still reproduce themselves and the colony will survive.
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