Like Norway’s response to king crab population concerns ... to try and limit the further migration of the species. At the time, the crab population recorded in the area exceeded 3 million ...

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 ...

During these months, as many as 100 million red crabs scuttle into every crevice of the island. Roads are closed to provide a safe passage for the crabs. They can even find their way into homes ...

Red king crab harvested in Alaska is seen in this undated photo. Red king crab are the largest of Alaska’s commercially harvested crab species, and their meat is prized as a delicacy.