"This purple crab problem is very much like other ecological catastrophes that we've seen where one organism in a food web gets super abundant or out of control from loss of predation pressure, or ...

Millions of purple marsh crabs are churning through salt marshes along the East Coast, significantly disrupting the storage of carbon within these ecosystems. The small crabs’ constant burrowing and ...

The impacts of purple marsh crabs on salt marshes can be viewed from space. The crabs leave expansive, fan-shaped mudflats as they burrow into the marsh and consume large swaths of cordgrass. Serina ...