Blue crabs are turning up in the Richmond area of the James River, a sign of how ongoing drought conditions change the river.

Can a freshwater fish help save a blue crab? Although we profess no biological expertise, we doubt it would ever work that way in the wild. But it could work that way in the S.C. Legislature. We ...

Each summer for nearly four decades, scientists at the Smithsonian Environmental Research Center have tethered some baby blue crabs along a Chesapeake Bay tributary. Then they watched, hoping to learn ...

CHARLESTON COUNTY, S.C. (WCIV) — As of this week, local blue crabbers are adjusting to new regulations. Officials are now enforcing a state law passed last year to protect the blue crab population.

Juan Mateo Rivera looking for crabs in a stream in Assis, Acre State, Brazil in 2022. In Manizales, perched in the Colombian Andes, researchers are studying how a native species of small fresh-water ...

Freshwater aeglid crabs, belonging to the single genus Aegla, represent a unique and diverse group endemic to southern South America. These crabs inhabit a variety of freshwater systems—from streams ...

Learn how sideways walking in crabs evolved 200 million years ago, what defines true crabs, and how this unique movement ...