Albeit very small, with a carapace width of only 3 cm, the Atlantic mangrove fiddler crab Leptuca thayeri can be a great help to scientists seeking to understand more about the effects of global ...

A fiddler crab is a crab species from the genus Uca. They are native to brackish environments, which are made of part freshwater and part saltwater, all over the world. Fiddler crabs get their name ...

In mid-Atlantic salt marshes, reproductively active male sand fiddler crabs, Uca pugilator, use a single greatly enlarged major claw as both a weapon to defend specialized breeding burrows from other ...

DESPITE their tiny brains, fiddler crabs excel at trigonometry. Fiddlers constantly watch for other crabs that might steal their burrow, and when one nears, they can accurately triangulate the ...