Sexually mediated phenotypic variation within and between sexes as a continuum structured by ecology: The mosaic nature of skeletal variation across body regions in Threespine stickleback (<i>Gasterosteus aculeatus</i> L.).

The best fit model for all pelvic girdles revealed the main effects of size, sex and habitat as well as interactions between size and sex as well as a significant interaction between size and habitat, and a nearly significant interaction between sex and habitat, which we cautiously interpret to indicate the likely presence of differential sexual variation in pelvic girdles.

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