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 ...

Nine years ago, I stood on the muddy banks of the Great Marsh, a salt marsh an hour north of Boston, and pulled a thumb-sized crab with an absurdly large claw out of a burrow. I was looking at a ...

A robot crab called "Wavy Dave" has helped scientists learn about crab mating behaviors. Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A tiny robot fiddler crab is helping environmental scientists ...

A study has 'listened in' to the fascinating courtship displays of Fiddler crabs using geophones. The findings provide new insights into how the animals communicate effectively on the noisy seashore.