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Hiroki Hata, Masaki Yasugi, Yuichi Takeuchi, Satoshi Takahashi and Michio Hori Measuring and evaluating morphological asymmetry in fish: distinct lateral dimorphism in the jaws of scale-eating cichlids Ecology and Evolution 3

Version of Record online: 24 OCT 2013 | DOI: 10.1002/ece3.849

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This study provided an appropriate method for measuring and testing the trait asymmetry in fish and confirmed laterality in the morphology of the Tanganyikan scale-eating cichlids Perissodus microlepis and P. straeleni. Specifically, we demonstrated the distinct lateral dimorphism in the cichlids by the measure of two traits, the lateral difference in the jaw skeleton and the neurocranium–vertebrae angle, and by the model selection using maximum likelihood.

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