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Can hermit crabs be kept in freshwater? — Exploring the living environment and husbandry methods of hermit crabs.

Can hermit crabs be kept in freshwater? — Exploring the living environment and husbandry methods of hermit crabs.

2026-01-16 04:00:42 · · #1

Hermit crabs are very popular pet crustaceans, and their unique lifestyle and molting behavior attract many owners. However, many novice owners have a question: Can hermit crabs be kept in freshwater? Do they need seawater to survive? Is freshwater harmful to hermit crabs?

This article will discuss in detail the living habits of hermit crabs, the impact of freshwater and seawater on hermit crabs, and the correct breeding methods to help you provide the best living environment for hermit crabs.

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1. Basic characteristics of hermit crabs

1.1 What is a hermit crab?

✅ Hermit crabs are a type of crustacean belonging to the family Hermitidae in the order Decapoda. They protect themselves by finding empty shells to live in , thus avoiding harm from predators.
✅ Most hermit crabs live in coastal areas , but some species live in terrestrial environments (land hermit crabs).

1.2 Habitat of Hermit Crabs

✅Marine Hermit Crabs : They mainly live in seawater and require seawater with stable salinity to survive.
✅Land Hermit Crabs : Although they live on land, they still need to come into contact with seawater regularly to maintain the mineral balance in their bodies.

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