Evolution and assessment of colour patterns in stream‐resident and anadromous male threespine stickleback Gasterosteus aculeatus from three regions

We compared the colour patterns of free swimming, reproductively active male threespine stickleback Gasterosteus aculeatus of the anadromous and stream ecotypes from three geographically distinct regions. Consistent with the hypothesis of environmentally mediated selection, our results indicate ecol...

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