How do you tell a male and female gecko apart?

Question

I don't know the speicies name of the gecko so i'll explain what it did it ate moths they are greyish white no spots or anything their eyes were round and black and are active at night.

Answer 1

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Except for species with sexual dimorphism, it is not easy to tell male and female lizards or snakes. And we don't know which species this was, so here are some general indications.

If you can get a close view of their cloacal area, you will see that the base of the tail, right behind the cloaca, is thicker in males than in females. This is because the male's hemipenises (their copulatory organs) are normally retracted within sacs in this area.
One additional feature for geckoes (also occurs in some other lizards, but not in all of them): the males have well developed pre-cloacal pores (seen like a transversal row of perforations opening on the scales that limit the cloacal opening).

As you see, you will have to actually handle the animals to check these features.

Check these photographs:
http://www.reptilecare.com/LGsexing.jpg

Source(s):

I'm a zoologist.

Answer 2

geckos when there adults look on the bottom towards the beginning of there tail male have pores and female dont. the best web site to show some good pics. is www.reptilecare.com/leopardgender.htm