Need help Sexing my Dendrobates tinctorius 'Azureus'

[sambac80]

I just got a pair of Dendrobates tinctorius 'Azureus'. I can't 100% differentiate the sex of this specie yet. I hope that I got a pair!

Here is the first one (I think it is a male)

[ATTACHMENT NOT FOUND]

Here is the second one (I think it is a female)

[ATTACHMENT NOT FOUND]

Thanks!

[joneill809]

This may help:
http://dartden.com/viewtopic.php?f=55&t=7488

Profile shots and the back arch of a tinc is a more reliable indicator so profile shots would help. How old are they?