Blue land crabs typically cross Treasure Coast roadways en masse each fall. Here are five things to know about them: This article originally appeared on Treasure Coast Newspapers: Land crabs ...

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, called land hermit crabs ...

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 ...