How To Tell The Difference Between Male And Female Silver-tip Tetras?

[miss_rawr]

is there a way to tell the difference between male and female silver-tip tretras becasue i'm, really new at this and don't feel i'm ready or my tank size is ready for alot of babies! (my platy is currently pregnant)

thanks a lot for any help!

 

[Charlieboy]

As far as i know the female has a larger belly and is more silver where the male has more of a copper colour to him. I have 10 in my daughters tank but still cant tell the difference. I have also heard that they change colour when resting