SalmonColor {abd}

Pacific Salmon Color

Description

Skin color sockeye and kokanee morphs of the Pacific salmon (Oncorhynchus nerka) raised in a low carotenoid environment.

Format

A data frame with 35 observations on the following 2 variables.

species

a factor with levels kokanee and sockeye

skin.color

a numeric vector

Source

Craig, J.K. and C. Foote. 2001. Countergradient variation and secondary sexual color: phenotypic convergence promotes genetic divergence in carotenoid use between sympatric anadromous and nonanadromous morphs of sockeye salmon (Oncorhynchus nerka). Evolution 55: 380-391.

Examples

SalmonColor
histogram(~ skin.color | species, SalmonColor)
bwplot(skin.color ~ species, SalmonColor)