Here are five things to know about them: This article originally appeared on Treasure Coast Newspapers: Land crabs: 5 things ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species ...

The blue crab species Discoplax celeste is only found on Christmas Island. It is one of more than 20 species of land crab on the island. With more than 150 million red crabs on Christmas Island ...

With more than 150 million red crabs on Christmas Island, their annual migration from the interior of the remote island to the coast can be hard to miss. But their equally colourful neighbours ...