CT scans reveal new muscles in horseshoe crab appendages

Digital dissection shows that two horseshoe crab appendages—the pushing leg and the male pedipalp—each have one more muscle than had been thought, according to a study published February 14, 2018 in the open-access journal ...

New porcelain crab species from Colombia named

Despite their names, hermit crabs, king crabs and horseshoe crabs are not true crabs. Neither are porcelain crabs, decapod crab-like crustaceans that live in shallow water throughout the world's oceans. Researchers working ...

'Living fossil' crabs mysteriously dying in Japan

Hundreds of horseshoe crabs—known as "living fossils" as they are among the earth's oldest creatures—have washed ashore dead in southern Japan, confounding experts who study the alien-like sidewalkers.

Humans threaten Asian horseshoe crabs

Human activity is affecting the population of Asian horseshoe crabs in the state of Sabah in Malaysia, possibly by disrupting the male to female ratio – that is the conclusion of a study that surveyed two populations of ...

Biomedical bleeding affects horseshoe crab behavior

New research from Plymouth State University and the University of New Hampshire indicates that collecting and bleeding horseshoe crabs for biomedical purposes causes short-term changes in their behavior and physiology that ...

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