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Robot crab helps scientists uncover how male crabs compete for female matesThe male fiddler crabs use their one oversized claw to attract females, waving it with a frantic energy outside their burrows ...
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.
In fiddler crabs, large claws can pinch harder than small ones, despite having proportionally less muscle. It remains to be seen whether oversized claws come with any trade-offs for the snapping ...
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.
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