Sexing Pristilla Tetras?

[ZephyrStarPlaties]

I got a school of 5 pristilla tetras, does anyone know if it's possible to sex them?

 

[thereverendturtle]

The females will always look thicker from the top compared to the males.

 

[ZephyrStarPlaties]

The females will always look thicker from the top compared to the males.

Ok, thanks! I've got two females and three males