Male fiddler crabs are lopsided, with one claw that seems about the right size and one very large claw. As you might expect, one function of the larger claw is to attract females. The males drum with ...

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 ...

While cruising the Texas coast this week during my Beachcombing survey, I came across one of the most entertaining — and ecologically important — residents of our shoreline: the fiddler crab. Easily ...

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.