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

A flat, rounded shell. A tail that's folded under the body. This is what a crab looks like, and apparently what peak performance might look like — at least according to evolution. A crab-like body ...

Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. For you, a hermit crab’s lifespan is ...

Hermit crabs have an intimate relationship with gastropod shells and show numerous activities by which they locate, select, and change shells in different contexts. They gather information about new ...

Hermit crabs (Paguroidea; Latreille 1802) offer great opportunities to study animal behaviour and physiology. However, the animals’ size and sex cannot be determined when they are inside their shell; ...

There are hermits living in the St. Johns River. But before you become alarmed that we have a problem with some folks living in seclusion along the river, I am referring to hermit crabs. Some of you ...

With copper-blue blood prized by modern medicine and a body plan older than dinosaurs, the horseshoe crab reveals how ancient ...

Horseshoe crabs have survived 300 million years with little change. Their blue blood protects humans from bacterial ...