Last week, we talked about seashells—how they’re intricate, sturdy little homes that mollusks build for themselves, layer by layer, over a lifetime. https://afnn.us/2026/09/06/intricately-woven/ But today, I want to flip that image on its head with a creature that does the exact opposite: the hermit crab.
Here’s the thing about hermit crabs that a lot of people don’t realize—they don’t make their own shells. At all. A hermit crab’s abdomen is soft, curled, and totally exposed, with no natural armor of its own. So it goes looking for an empty shell left behind by a snail or another mollusk that’s died, and it backs right into it and calls it home.
And here’s the wild part: as the crab grows, that shell doesn’t grow with it. Every so often, the crab has to leave the safety of its shell completely exposed and vulnerable, find a bigger one, and move in. It spends its whole life moving from one borrowed shelter to the next.
Isn’t that kind of a beautiful picture of faith?
Because if the seashell is about being made a certain way—fearfully and wonderfully—the hermit crab is about something else: dependence. It’s about admitting you weren’t built to protect yourself, and that’s okay.
I think about Psalm 91:1-2, which says, “Whoever dwells in the shelter of the Most High will rest in the shadow of the Almighty. I will say of the Lord, ‘He is my refuge and my fortress, my God, in whom I trust.’” A refuge, by definition, isn’t something you build. It’s something you run to. The hermit crab doesn’t manufacture its safety—it finds it, receives it, and trusts it, even though the shell was never “its” to begin with.
And then there’s that moment of vulnerability. The scariest part of a hermit crab’s life isn’t living in the shell—it’s the in-between moment, soft-bodied and exposed, searching for the next one. If you’ve ever gone through a season of change—a move, a breakup, a diagnosis, a layoff—you know that feeling. The old shell doesn’t fit anymore, but the new one hasn’t been found yet, and you feel completely unprotected. That’s a real, human, vulnerable place to be.
But here’s the hope: 2 Corinthians 12:9 says, “My grace is sufficient for you, for my power is made perfect in weakness.” God isn’t asking us to grow our own armor and become self-sufficient fortresses. He’s inviting us into exactly that soft, exposed, in-between space, and saying His strength shows up best right there.
We’re not hermit crabs wandering the ocean floor hoping to get lucky with the next shell. We’ve got a Shepherd who goes ahead of us into the next season.
Hermit crabs will sometimes even outgrow a shell and hold onto an empty one nearby, “trying it on” before committing. Sometimes growth in faith looks like that too—testing out trust in a new way, stepping into a new spiritual season a little at a time before you fully settle in.
Maybe today’s question isn’t, “Have I built enough of my own protection?” Maybe it’s, “Am I willing to leave what’s gotten too small, and trust God with the exposed, in-between part?”
You were never meant to grow your own shell. You were meant to dwell in the shadow of the Almighty!
”Whoever dwells in the shelter of the Most High
will rest in the shadow of the Almighty.”
Psalm 91:1
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