Gall crabs are tiny, and yet these crustaceans have evolved fluorescence to help them be concealed within hideouts they have ...

A West Australian businessman licensed to collect and sell thousands of hermit crabs as pets rejects criticism he is a threat to the crustacean's population.

The nonprofit explains that hermit crabs are divided into two main categories—land and aquatic. Land hermit crabs spend most of their lives on land and only rarely enter the water.

Hermit crabs are fascinating. Not only do these crustaceans often grow into massive creatures, but they also change shells throughout their lives. Their appearance can vary depending on the size ...

Hermit crabs are classified as “national natural monuments” in Japan and protected under Japanese law. It’s unknown why the three men were transporting the crustaceans.

Hermit crabs are classified as “national natural monuments” in Japan and protected under Japanese law. It’s unknown why the three men were transporting the crustaceans.

Hermit crabs are classified as “national natural monuments” in Japan and protected under Japanese law. It’s unknown why the three men were transporting the crustaceans.