What do orange spots reveal about male (and female) guppies? A test using correlated responses to selection.

*One line in each combination: orange up black up, orange up black down, orange down black up, orange down black down; **became marginally significant after replicates were pooled within orange up and orange down treatments.

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The magnitude of the difference in male coloration had a marginally nonsignificant effect, and the interaction was not significant (Fig. 2 and Table 2 ).

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