Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

Fresh-caught live Dungeness crab heads up a conveyer belt, left, to enter the fish plant to be processed. At right, a crewmember of the F/V Grizzly unloads live Dungeness crab on Thursday afternoon at ...

The crawfish industry might have taken a beating this year, but devotion to the 10-legged crustacean remains strong. Even as a historic drought has sent prices soaring — about $9 a pound on average in ...

Decapod crustaceans represent one of the most diverse and ecologically significant groups of marine and freshwater organisms. Their evolutionary history, documented by an abundant fossil record, ...