Is sexual size dimorphism in walleye, Sander vitreus, a driver of seasonal movements in Lake Erie?
Christian J. Bihun,
Matthew D. Faust,
Richard T. Kraus
et al.
Abstract:Walleye (Sander vitreus) are a sexually dimorphic species in which females are larger than males in adulthood. Walleye can also exhibit sex‐ and population‐based differences in migration behavior. In Lake Erie, we used acoustic telemetry to test the prediction that female walleye exhibit larger broad‐scale movements than males during the summer and autumn. This prediction was based on the hypothesis that greater foraging in females would be needed to satisfy their higher energy requirements. We quantified move… Show more
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