Hermit crabs don’t breed well in captivity, and so the numerous land hermit crabs seen in pet stores and tourist shops are taken from the wild, which is considered an unsustainable practice.

Male and female fiddler crabs are easily distinguished by looking at their claws. The females have small claws while the ...

It was an unusual discovery. As the mercury soared to triple digits last October in Yuma, Arizona, a hermit crab later named “Hermie” was found near a drip irrigation line in a state park—a victim of ...