At what age can you tell the sex of a Balloon Mollie?

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At what age can you tell the sex of a Balloon Mollie?

I have 30 Balloon Mollie fry and most of them are 5weeks old.

2007-05-15 01:52:10 · 2 answers · asked by Anonymous in Pets ➔ Fish

2 answers

Usually by about 8-10 weeks the males start to become obvious.

MM

2007-05-15 02:45:27 · answer #1 · answered by magicman116 7 · 0⤊ 0⤋

You can't tell their gender until they are sexually mature.

They reach sexual maturity at around 8-10 weeks old.

Males have a different fin on it's stomach.

ßübblëš

2007-05-15 05:05:35 · answer #2 · answered by Anonymous · 0⤊ 1⤋