Blue Crab on Beach of Florida© Katarina_G/Shutterstock.com A crab’s exoskeleton protects it like armor and gives the animal structural support. Without the process of molting, crabs and other ...

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 ...

The compound eyes of the horseshoe crab are primitive in comparison to other arthropods, like dragonflies or shrimp. Instead of using the typical glassy proteins to build the lens, the horseshoe crab ...

While consumers of crabs know just what the core of a crustacean has to offer, scientists are increasingly looking at the animal’s exoskeleton for novel medicine and biotechnology. Much of the ...

WASHINGTON (Reuters) - It may not be wise to get into a scrap with a coconut crab. Its claw is a mighty weapon. Scientists on Wednesday said they measured the pinch strength of this large land crab ...

Crabs must molt because their hard, calcified exoskeleton cannot grow with them. Before molting, they reabsorb calcium and weaken their old shell from the inside. During ecdysis, they painfully pull ...