Ecological outcomes of hybridization vary extensively in Catostomus fishes

Elizabeth Mandeville, Elizabeth Mandeville, Robert Ogden Hall & Alex Buerkle
Hybridization outcomes vary geographically and can depend on the environment. Hybridization can also reshape biotic interactions, leading to ecological shifts. If hybrids function differently ecologically in ways that enhance or reduce fitness, and those ecological roles vary geographically, ecological factors might explain variation in hybridization outcomes. However, relatively few studies have focused on ecological traits of hybrids. We compared the feeding ecology of Catostomus fish species and hybrids by using stable isotopes δ13C and δ15N...
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