Gonpores are the openings of reproductive system to exterior. In male, pore on basal segment (coxa) of last (eighth) thoracopods; in female, pore on coxa of sixth thoracopods (third pereopods) [1]
Coenobita rugosus has been found to be intersexual
We are building image galleries of specific body parts. If you have high resolution, clear photos that you would like to donate to this project please contact us via email: crabstreetjournal at gmail dot com
Overview of the anatomy of a land hermit crab (Coenobita)
References:
1 Stachowitsch, 1992