orange spotted blenny question?

[blackhawk701]

I just bought 2 orange spotted blenny's and wanted to know if there is a way to tell the differance between a male and female. They are still at the shop getting acclimated. Thanks for the help

 

[CaptLongRod]

The male has a penis, while the female has a vagina.

 

[Gogandantess]

lol wth