Purple Marsh Crabs Impacting Marsh Decline

By Esuglia, via Wikipedia.org

Providence Journal: The small stature of the purple marsh crab belies its impact on New England’s salt marshes.

It measures only about an inch across, but through a chain of effects caused by humans, the voracious little crustacean is munching its way through the region’s vital marshes, leaving in its wake barren mud flats dotted with burrows.

“They’re fairly formidable creatures,” Brown University ecologist Mark Bertness says.

Read more about the purple marsh crab and its affect on the decline of salt marshes.