Sexing Leopard Geckos -- A leopard gecko's gender can be confirmed when that leo is over 5 inches in total length. That may happen when the leo is near 6 months old. Males can be distinguished from females by a distinct /\-shaped row of pores above the vent and by two hemipenal bulges below the vent. To see their vents, potential male pores, and hemipenal bulges gently press their bodies up against the glass. They'll squirm if you try to turn them over.
The 6yr old (2nd Pic) the pre-anal pores are not as defined at the 2yr old. So, I was confused on wether or not it was a male or a female, due to that and the bulge is not real pronounced.
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