At what point can you sex Cupiennius Salei

[Sophiahuling]

I just got some 1” slings and was wondering when you can start to tell who’s who. Some seem to have slightly larger abdomens than others which perhaps means they’re female. Markings and size are still all the same though it seems.

 

[NYAN]

Around 3 inches without a microscope and very keen eye.

 

[Sophiahuling]

Around 3 inches without a microscope and very keen eye.

Okay cool, thanks. What are some of the first things to look for?

 

[NYAN]

Okay cool, thanks. What are some of the first things to look for?

You will see the formation of an epigyn in the females.