Quote Originally Posted by littleindiangirl View Post
How neat! I would have never known you can sex them like that.
It can be really tricky, a lot of the time the molt will be torn up before you even know its in there and you don't have much to go off of.
Back when I still had my tarantulas I was always excited for a molt, it was actually a lot of fun learning how to do it.. and different species have different spermathecae shapes for females, its all really crazy and interesting.. if you google image search spermathecae they actually have some good pictures of some of the shapes