SYDNEY — In the world of fiddler crabs, the best form of protection is, apparently, prostitution, according to an Australian study published Wednesday. Researchers from the Australian National ...

Fiddler crabs use their large claws to wave down females and didn’t take kindly to a robot newcomer in Portugal. Joe A. Wilde Like many people around the world, animal behavior researcher Joe Wilde ...

Nine years ago, I stood on the muddy banks of the Great Marsh, a salt marsh an hour north of Boston, and pulled a thumb-sized crab with an absurdly large claw out of a burrow. I was looking at a ...

Jennions, Michael D. and Backwell, Patricia R. Y. 1996. "Residency and size affect fight duration and outcome in the fiddler crab Uca annulipes." Biological Journal of the Linnean Society, 57 293–306.