Scientists have discovered a creepy new type of crab that disguises itself in hair scraped from other sea creatures. Despite their menacing appearance, the “fluffy” beasts actually use it as a ...

Wildlife officials are sounding the alarm after an invasive and potentially damaging crab species was found in the U.S. for the second time this year.

When a nondescript, brownish crab was hand-caught in the Willamette River in November 2025, it raised the alarm at the Oregon ...

First it was murder hornets. Later, it was African clawed frogs. And don't forget the Japanese beetles. Now it seems Washington state has another invasive species problem — a European green crab was ...

An invasive freshwater crab species that can cause erosion problems and damage flood control as well as threaten native crab species in Oregon was captured in a river in mid-November, sparking concern ...

When researchers discover fossils of species that are new to science it’s only natural that they attempt to find a place for them in the colossal tree of life, matching them up with related species ...

"Meet the Mitten Crab, an invasive species native to East Asia that has found its way into New York waters," New York's Department of Environmental Conservation said Hauke-Christian Dittrich/picture ...

A new species of hermit crab has been found to be a hermit no more. Off the coast of Japan, the crustacean has managed to find its forever home, by partnering up with a living coral that grows as the ...

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 ...