Gender?

[LizardMama]

I'm having trouble sexing my pac man too...
So Mine has black spots on it's neck but I haven't looked at it's thumbs...
what am I looking for exactly?

Here's a post with a pic (By John) that shows a nuptial pad on a Pacman Frog:

http://www.frogforum.net/pacman-frog...-question.html