8" Theraphosa stirmi [molt sexing]
Theraphosa stirmi... diagonal span around 8"... any help sexing would be much appreciated
I'm pretty sure that I see the uterus externus (flap), so I am going with female. I would get another opinion, though. I'm not that familiar with this species.
 
@corey holton I'm not sure how large males of this species are when they mature, but sometimes you can assume female for some species once they reach a certain size. I would almost assume that at 8", this would only be a female, but I am not familiar enough with the species to be confident to say that.
Hopefully someone else chimes in.
 

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Spermathecae sexing (Molts)
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corey holton
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