Like all arthropods, crabs must shed their tough exoskeleton to grow to a larger size. The video from the Shape of Life ...

Hermit crabs are fascinating. Not only do these crustaceans often grow into massive creatures, but they also change shells throughout their lives. Their appearance can vary depending on the size and ...

Several locals have reported "unusual amounts of dead horseshoe crabs" washing up on Massachusetts beaches in recent days. However, officials say the spectacle is no cause for concern, as they're just ...

Soft-shell crab season has arrived. Every spring, mature crabs shed their old shells and start growing bigger ones. That natural process temporarily transforms them from hard-shell crustaceans that ...

VIRGINIA BEACH, Va. — What looked like a lifeless horseshoe crab on the shore turned out to be a discarded shell — and the crab itself was very much alive. Horseshoe crabs, ancient creatures more ...

Visitors were left in awe as they watched a Kaikamuri sponge crab in its tank. Footage shows the orange crustacean, which had just molted, resting on the seabed of its enclosure at Mariho Aquarium in ...

Often treated as throwaway pets, hermit crabs can live 50 years. Mary Akers, a self-taught expert, wants people to appreciate ...