Horseshoe crab satellite counts as a function of crab phenotype.
data(crabs)A data frame with 173 observations on the following 5 variables.
colorA factor with levels 1 = light medium, 2 = medium, 3 = dark medium, 4 = dark.
spineA factor with levels 1 = both good, 2 = one worn or broken, 3 = both worn or broken.
widthCrab carapace width in cm.
satellNumber of satellites.
weightCrab weight in in kg.
Brockman, H. J. (1996) Satellite male groups in horseshoe crabs, Limulus polyphemus. Ethology 102(1) 1-21.