girls have 4holes in the back and the boys dont
Males have one large fighting claw and one small claw, and females have two of the same size claws.
there is a hatch under neath females have egg sacks males have peetongs
Your hermit crab has to have a gender you can tell by these hole looking things on their side ( forget the name) u cant see them because they are under their shell.NEVER ATTEMPT 2 PULL THEM OUT OF...