David Johnson: So in 2014, we were on a muddy bank in the marsh up here in Massachusetts, and I saw this small crab scuttle across the mud bank and pop into a hole. And so I dug out the crab, and it ...

We just added several new fiddler crabs to the Mangrove Ecosystem! Many people think that male fiddlers use their large claw to capture food. After watching this video, what do you think? At the end ...

David Johnson had been working in the salt marshes of Plum Island, just south of New Hampshire’s border, for about a decade when he spotted an unusual small crustacean descend quickly into a burrow in ...