A coconut crab. (Credit: Shin-ichoro Oka/PLOS.org) Talk about a powerful handshake. Researchers have measured the crushing grip of coconut crabs, the largest hermit crabs on Earth, for the first time, ...

Warming waters along the Antarctic peninsula have opened the door to shell-crushing king crabs that threaten a unique ecosystem on the seafloor, according to new research by a U.S.-Sweden team of ...

Most of the 800 or so species of hermit crab live in the ocean, where empty snail shells are common because of the prevalence of predators like shell-crushing crabs with wrench-like pincers, ...

A huge crab named Big Daddy is a part of the Guinness World Records list for being the “world's widest crustacean living in captivity.” The organisation took to Instagram to share a few images of the ...

Social animals usually congregate for protection or mating or to capture bigger prey, but a University of California, Berkeley, biologist has found that the terrestrial hermit crab has a more ...