Pacific Salmon Color

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

Usage

SalmonColor

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.