(a) Fiddler crab. Clipart courtesy of Florida Center for Instuctional Technology http://etc.usf.edu/clipart webcite. (b) Double logarithmic plot of Huxley's original data upon which his first paper  was based, with Uca pugnax claw weight on the ordinate and the crab weight (minus the claw weight) on the abscissa. Data reported in Table I a of  for sexually immature male crabs.
Stevens Journal of Biology 2009 8:14 doi:10.1186/jbiol119