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Hermit Crab Gender Identification Myths
Myth 1: You Can’t Tell a Hermit Crab’s Gender
You can definitely tell a hermit crab’s gender, and it’s actually quite easy. We’re going to tell you how in just a moment.
Myth 2: The Gender Is Indicated By the Size of the Claw
A Lesson On Hermit Crab Anatomy
If you want to be able to determine your crab’s gender, you’ll need to have a basic understanding of hermit crab anatomy. In total, hermit crabs have 10 legs. Two of these legs are claws. Hermit crabs have one large and one small claw. The small claw is used for eating and drinking, the larger claw for closing off the shell when the crab is tucked inside.
Behind the claws are four walking legs. These are the longer legs that help pull the crab around. If you peek into the crab’s shell, you’ll see another four legs inside of the shell behind the walking legs. These rear legs hold the crab in the shell. The crab also uses these legs to pull itself into the shell when it wants to hide.
How to Tell a Hermit Crab’s Gender
To check your crab for gonopores, you’ll need to hold it upside down by the shell so that it starts to extend out of the shell a little. Identify the rear pair of walking legs. Where these rear walking legs meet the body, a black dot on each side is what you’re looking for. These black dots are the gonopores, indicating that your crab is a female.
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Don’t believe the myths surrounding hermit crab genders. You can’t tell a hermit crab’s sex by the size of its claw, but there definitely is a way to determine your crab’s gender and it’s not even difficult. You just have to identify the gonopores, two black dots located on the underside of the crab where the rear pair of walking legs meets the body; one on either side. If the crab has these black dots, it’s a female, and if not, it’s a male. It’s that simple.