How to tell sex of molly fry? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 02-18-2012, 01:01 PM Thread Starter
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How to tell sex of molly fry?

I had posted a while back of how I get some new fry this morning. Thing is that all of the fry look like they are all female. I know how to tell the diff between adult mollies but if applied to my fry then they are all females. Dose anyone know if they change sex or this is how they all look when they are fry?
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post #2 of 4 Old 02-18-2012, 10:58 PM
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very hard to tell when they are small
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post #3 of 4 Old 02-19-2012, 07:15 AM Thread Starter
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I try looking it up on google and all I get is to wait 2 weeks.
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post #4 of 4 Old 02-25-2012, 07:38 PM
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Actually, you can not. Well, I dunno if by the DNA you could, but i really think they don't even have sex at that age like that, or i should rather say that all are females yet. Livebreeders have an ability: females (even old ones) can turn into males, and this is what babies will do after a few months, as they grow up. When they are around 1.5 cm, you will see how their anal fins change. Pretty interesting!
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