We add another string to our bow by learning about the fiddler crab. We discuss the arc of history bending towards crab, the MogBot 2000, bad dating advice, non-orientable wormholes, and so much more.

Works Cited:

“The Design of a Beautiful Weapon” - John Christy, Smithsonian Museum of Natural History
“On the Other Hand: The Myth of Fiddler Crab Claw Reversal” - Judith S. Weis, BioScience, April 2019
“Sexual selection for structure building by courting male fiddler crabs: an experimental study of behavioral mechanisms” - John H. Christy et al., Behavioral Ecology, May 2002
“Synchronous waving in fiddler crabs: a review” - Patricia Ruth Yvonne Backwell, Current Zoology, July 2018
“Robotic crabs reveal that female fiddler crabs are sensitive to changes in male display rate” - Sophie L. Mowles et al., Biology Letters, January 2018
“Not what it looks like: mate-searching behaviour, mate preferences and clutch production in wandering and territory-holding female fiddler crabs” - M. Peso et al., R. Soc Open Sci.. August 2016
“Dishonest signalling of fighting ability and multiple performance traits in the fiddler crab Uca mjoebergi” - Simon P. Lailvaux et al., Functional Ecology, March 2009
“The effects of neighbor familiarity and size on cooperative defense of fiddler crab territories” - Isobel Booksmythe et al., Behavioral ecology, November 2011
“Beyond Abiotic Decay: Fiddler Crabs Accelerate Plastic Fragmentation in Pollution Hotspots” - Jose M. Riascos et al., Global Change Biology, December 2025

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