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I'm sure you heard this before, but get some food and weight on both of those frogs as soon as possible.
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Hi Javier. Based on the last photo, I'd say the top frog is your female and the lower frog is your male. That said, given how under weight they are it's too early to make a definitive call. How old are they?
I had an underweight female tinctorius that required a steady diet of dusted hydei for about a month to get up to full weight. These two can bounce back, but I'd ensure 1 to 2 feedings a day with high quality supplements (e.g. Repashy, Dendrocare). Make sure you have a good amount of leaf litter and hides available - typically stress is the biggest issue just after a move of older tinctorius, so anything you can do to make them feel more comfortable (including dimming the lights) helps. A small water dish is also useful for soaking.
Good luck and keep us posted on how they are doing!