The biggest crab in the world, the Japanese spider crab, is capable of achieving a leg span of more than 13 feet (4 meters) across. Read on to get better acquainted with the Japanese spider crab ...

Giant crab spiders are among the largest in Arizona ... Grammostola anthracina, a spider species found in Uruguay, Paraguay, Brazil and Argentina has a solid brown body that's among the largest of any ...

What is a Japanese spider crab? They may look like something ... They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages.

The giant Japanese spider crab. This is the biggest crab in the world. ANDY TORBET:Their bodies can grow as big as a basketball, and their leg span, from tip to tip, can be up to 4 metres.