Does brain size affect mate choice? An experimental examination in pygmy halfbeaks.

small) significantly influenced female strength of preference scores ( Table 2a ), with females preferring to associate with males with less red coloration when the difference in sexual ornamentation was large (z = −2.82, P = 0.005), while females preferred to associate with males with more red coloration when the difference in male sexual ornamentation was small, although this was only marginally significant (z = 1.99, P = 0.047, Figure 3 ).

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