Why are all my fry female?

leafgirl115

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Ok my mollys are only having female fry. I have had over 200 fry and they are all female whats up with that???

Thanks Morgan
 

inari

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well u just got urself really lucky from my very basic knowledge of genetics....anyway idk if there is some reason but u now have more females than u know what to do with congrats on ur rare chance of breeding all females
 

kerryve

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maybe fish are like crocodiles and turtles, when they lay their eggs, the temp conditions determine the sex of the hatchlings, maybe the temp of the water affects the mother when she gives birth? Just my two cents
 
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leafgirl115

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lol well she is preg again do i will I hate my LFS one store will not take the fry till they are 2" the other till they are 1". Hellow i have 113 fry there is not way i can grow them out!!

Sory im freeking.
 

inari

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this might be very far off the wall but u said 113 fry right....I think u might be able to get them to grow some if u put them into like 70+ gallon tank but who has that kinda of room i mean really that is worse than trying to breed a bettas all the male fry need their own space so good luck i really don't have any 'easy' ideas for u
 
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leafgirl115

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This is what i have in my 20g:
1 Silver Molly (female)
1 Marble Salfin Molly (Male)
1 Red Commet Platy (Male)
2 high fined yellow/red Platies
1 Commpn Pelico
5 16 week old Mollies (just got rid of 2)
113 10 week old mollies (may be salfins)
20+ 3 week old silver molly fry

And in any time she will have more fry soon.
 
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leafgirl115

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Well just yesterday i found my fist male born in the tank. He is a lot biger than his sisters He must have been hiding when every i go near the tank. Im still trying to get rid of the fry....
 

skippi

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I found that it took over 2 months for me to tell which guppy fry were males. at first they all looked female and I was so depressed but the one day I looked and 3 out of the 5 ended up being males. So be patient and they might be some males in there...
 

Jason

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Yeah same with my swordtail fry it took months before I could tell which ones were male, also i think pH might have something to do with the amount of males:females ratio. It be a fluke to have just 200 females and no males
 

Jason

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I dont check that often but i was just that i read somewhere that a pH 7.5+ or something results in a greater turn out of females and under males but it could just be genetic
 
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