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.

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.

Amy Carter and Scott Southey said the crab was "fascinating" A couple ... "Barrel jellyfish are an important source of food for the largest turtle in the world, the Leatherback, which travels ...