Contrasting intra-individual variation in size-based trophic and habitat shifts for two coastal Arctic fish species.

For Greenland cod, the majority of residuals representing intra-individual variation in trophic and habitat shifts were < 1 and none had a clear trend with length (Fig. 4 b and d).

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Moreover, our finding of a significant trend between body condition (phase angle) and size-based trophic shifts underscore the potential benefit Arctic char gains in nutrition from physiologically costly movements through ontogeny (Cox and Heintz 2009 ).

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