Data from: Adaptive, but not condition-dependent, body shape differences contribute to assortative mating preferences during ecological speciation

Ryan Greenway, Shannon Drexler, Lenin Arias-Rodriguez & Michael Tobler
Assortative mating is critical for reproductive isolation during speciation, however, the mechanisms underlying mating preferences are often unknown. Assortative mating can be mediated through preferences for condition-dependent and adaptive (“magic”) traits, but rigorously testing these hypotheses has been impeded by trait covariation in living organisms. We used computer-generated models to examine the role of body shape in producing association preferences between fish populations undergoing ecological speciation in different habitat types. We demonstrate that body shape...
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