Hermit Crab Learning Center
Everything you need to know to keep your hermit crabs healthy and thriving.
Written from real, hands-on experience — caring for hermit crabs since 2017.
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New to Hermit Crabs? Here's Where to Start
A quick orientation that links to everything else in the library — the best place to begin if you're just getting started.
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Getting Started
Start here to understand how hermit crabs eat and what they need every day.
The Buffet Method
The philosophy behind everything we sell — how Complete Meals, Single Ingredients, and The Core work together to recreate real variety at home.
What Do Hermit Crabs Eat? A Complete Feeding Guide
What to feed them, what to avoid, and how to use the buffet method to make feeding simple and effective.
Building a Healthy Habitat
Create the right environment before worrying about the finer details.
Hermit Crab Habitat: Building a Healthy Crabitat
How to set up the right tank size, substrate, temperature, humidity, and everything else your crabs need to thrive.
Water: Fresh, Salt, and Why Your Crabs Need Both
Why crabs need two water sources, how deep the pools should be, and the most common mistakes to avoid.
Heat and Humidity: What You Need to Know
The right ranges, how to measure them, and the most common mistakes new keepers make.
Substrate: Building a Safe Foundation
The right mix, the right depth, and the mistakes that can collapse a molt chamber.
Long-Term Care
Once the basics are in place, these guides will help your crabs thrive over time.
Shell Guide: Everything You Need to Know
How to choose the right shells, why crabs prefer certain types, and why painted shells should always be avoided.
Molting: Signs, Stages & How to Help Your Crab Survive
The signs to watch for, how long it takes, and the most important thing you can do to help: leave your crab alone.
Enrichment: Keeping Your Crabs Curious
How to build a habitat that keeps them climbing, foraging, and exploring — the way they would in the wild.