Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus)
G. O. Jonsdottir, L.-M. von Elm, F. Ingimarsson…·S. E. Steele
The paper examines feeding morphology variation in four sympatric Arctic charr morphs, finding shape differences along a benthic-pelagic axis and morph-specific bone size and shape variation.