How to breed Tetras

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AquaMan24

Aquarium Advice Apprentice
Joined
Dec 13, 2012
Messages
33
I have five tetras I don't know their gender but does anyone have any advise
 
Look like Columbian Red/ Blue Tetras. Females will be a bit more rounded in the mid section when they are full of eggs. Males will have a more slender appearance from above. If you have a strong light that you can shine through the fish, the female's air bladder will be a bit smaller than the male's. It's not an easy thing to see which is why I recommend the view from above method. ;)
 
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