“Horseshoe crabs have been around for 350 to 450 million years; long before the dinosaurs. And, they have been so successful that they have remained largely unchanged for millennia.” So says a recent ...

Horseshoe crabs are not endangered or threatened in Massachusetts, but their numbers are at historic lows. To protect the species, state wildlife officials are rolling out new regulations. As of 2024, ...

At Stage Harbor in Chatham, Derek Perry, the state’s horseshoe crab biologist, walks the shoreline, counting how many horseshoe crabs fall within a 25-square-meter area. It’s not an easy task, ...