Add Yahoo as a preferred source to see more of our stories on Google. Male fiddler crabs are small, with one oversized claw. David S. Johnson Nine years ago, I stood on the muddy banks of the Great ...

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 robot crab has helped scientists understand how male fiddler crabs compete over females. Male fiddler crabs have one oversized claw, and they attract females by standing outside their burrow and ...