The male fiddler crabs use their one oversized claw to attract females, waving it with a frantic energy outside their burrows ...

Researchers have built a robot crab that can compete in claw-waving displays with real fiddler crabs, but "Wavy Dave" doesn't ...

Male fiddler crabs have one oversized claw, which they use to attract females by standing outside their burrow and waving.

Wavy Dave the robot crustacean has been showing scientists how male fiddler crabs respond when they see a fellow crab waving.

A robot crab has helped scientists understand how male fiddler crabs compete over females. Male fiddler crabs have one ...

A robot crab has helped scientists understand how male fiddler crabs compete over females.Male fiddler crabs have one oversized claw, and they attract ...

Male banana fiddler crabs take courting to a new, and pushy, level: The little Australian crab males wait for females to enter their burrows and then trap them in order to mate, scientists have found.

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 fiddler crab has one small claw and one big ol' one. Why? All the better to woo the lady crabs and throw down with the dude crabs. And this big crab's like, No, check yourself. And this other ...

Jennions and fellow ANU researchers Richard Milner and Patricia Backwell studied the behavior of fiddler crabs living in mud flats off the African country of Mozambique in October and November ...

The sighting, he thought, was very strange. Fiddler crabs weren’t supposed to be north of Cape Cod, let alone Boston. The year was 2012, and a marine heatwave had just occurred.

Besides being entertaining to watch, fiddler crabs are an important component in our ecosystem. According to Zeil, Hemmi, and Backwell in Current Biology Volume 16, Number 2, these are the most ...