Guppy gender

[missie86]

At what age should i be able to distinguish the gender of my guppy fry(and yes i know how to tell the difference)? I have 5 approx 10day old fry that are growing fast. Also when do they start getting their coloration?

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[QuakingAspen]

They are usually colored sexable and ready to put in the tank in eight weeks.


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[TMRC Exotics]

Colors don't come in on guppy fry until around a month, they usually are all clear when born. However if you know how to sex by the fins then you should already be able to. A trick i learned is hold a light behind the fish and look at the fins. The female will have the fan shaped fin and the males have the gonopodium.