Phenotypic variation of walleye, Sander vitreus, in Canadian Shield lakes: New insights on percid polymorphism

@article{Paradis2005PhenotypicVO,
  title={Phenotypic variation of walleye, Sander vitreus, in Canadian Shield lakes: New insights on percid polymorphism},
  author={Y. Paradis and P. Magnan},
  journal={Environmental Biology of Fishes},
  year={2005},
  volume={73},
  pages={357-366}
}
SynopsisLiterature on colour dimorphism in walleye has concerned only the blue form, Sander vitreus glaucum (formerly Stizostedion vitreum glaucum), historically found in lakes Erie and Ontario and considered to be extinct from the fish fauna since the 1960s. In this paper, we report unusual observations of a blue form of walleye living in sympatry with the yellow form, Sander vitreus (formerly Stizostedion vitreum), in five lakes of the Canadian Shield, northern Québec. We compared head… Expand
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