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 ...

Crabs are often seen as familiar ocean creatures, but some species are far stranger than most people realize. This video ...

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 ...

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 ...

A highly invasive species of crab — capable of climbing over 13-foot-high concrete structures — has been spotted in the Pacific Northwest for the first time, wildlife officials said. A commercial ...

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

"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 ...

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 ...

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 ...