It's fitting then, that the warehouse retailer is now offering one of the largest crab species in the world. Red king crab, also known as Alaskan king crab, is the largest commercially-fished crab ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.

A pair of researchers, one a paleoecologist with Utrecht University, the other an independent ancient crab enthusiast, have identified the largest known crab fossil claw ever discovered.