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Fitness consequences of artificial selection on relative male genital size

Booksmythe, Isobel; Head, Megan; Keogh, J. Scott; Jennions, Michael


Male genitalia often show remarkable differences among related species in size, shape and complexity. Across poeciliid fishes, the elongated fin (gonopodium) that males use to inseminate females ranges from 18 to 53% of body length. Relative genital size therefore varies greatly among species. In contrast, there is often tight within-species allometric scaling, which suggests strong selection against genital–body size combinations that deviate from a species’ natural line of allometry. We...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Nature Communications
DOI: 10.1038/ncomms11597
Access Rights: Open Access


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