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Is there a way to tell the gender of guppy fry2007-11-24 23:37:35

My female just had about 30 babies and I was curious if there is a way to tell what the gender is when they're still very young? Or do I have to wait till they start getting color?

Answers:

I can usually tell at ten days. Give them a really good feed (I use spirulina) and take a close look at them. The females will have pot-bellies, and the males will have pot-chests. At close to three weeks, the females will have gravid spots

A

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Just gotta wait! It's hard to tell.

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You can tell your gender when they are about 4-6 weeks old.

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you have got to wait till the color shows

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This is an article/website that I read, I think its pretty accurate but I've never had guppy, im planning to buy them this sat. This is a copy and past off of a website:

At the end of the first four weeks, the fry begin to sexually develop into male or female guppies. At the age of 6 weeks, they become sexually active. So, between weeks 4 and 6, you might want to consider separating the fry into female, male groupings. Do this by taking one fish out at a time and placing in a small container with water from the tank and with a magnifying glass look for either the gonopodium or the gravid spot. More often it is better to see the gravid spot of a female. Mix ups do happen and don't be to worried as the fish can be selected out a put into the correct group. It's just a bit less to worry about what you'll be doing with the fry of all the young females if you decide to separate them.

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I think you will have to wait until they get a bit bigger. Good luck.