Stuckert Adam M M, Drury Sara, Anderson Christopher M, Bowling Tyler B T, Mckinnon Jeffrey S
Department of Biology, East Carolina University, Greenville, North Carolina, USA.
Department of Biological Sciences, University of Wisconsin-Whitewater, Whitewater, Wisconsin, USA.
J Fish Biol. 2019 Mar;94(3):520-525. doi: 10.1111/jfb.13913.
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 ecologically replicated differences in G. aculeatus coloration between anadromous and stream-resident populations, and that G. aculeatus probably have the visual acuity to discriminate colour pattern differences between anadromous and stream-resident fish.
我们比较了来自三个地理上不同区域的溯河洄游型和溪流型生态型的自由游动、具有繁殖活性的雄性三刺鱼（Gasterosteus aculeatus）的颜色模式。与环境介导选择的假设一致，我们的结果表明，溯河洄游型和溪流型种群的三刺鱼在颜色上存在生态重复差异，并且三刺鱼可能具有视觉敏锐度来区分溯河洄游型和溪流型鱼类之间的颜色模式差异。
