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Publications (6)
The foraging success and growth of piscivores often depend on environmental light availability. In north-temperate systems, high tannin concentrations limit light, and increasing variability in tannin levels may influence fish foraging behavior, success, growth, and further contribute to varying recruitment trends. To evaluate foraging and growth r...
Successful foraging of piscivores is often dependent upon light availability in their visual habitat and is often influenced by a number of abiotic and biotic factors. In north-temperate lakes, dissolved organic carbon concentrations vary greatly, thus likely influencing foraging success. To understand the impact this has on the walleye (Sander vit...
The round goby (Neogobius melanostomus) is an invasive benthic fish first introduced to the Laurentian Great Lakes in 1990 that has negatively impacted native fishes through increased competition for food and habitat, aggressive interactions, and egg predation. While complete eradication of the round goby is currently not possible, intensive trappi...
The behaviour of two benthic species, round goby ( Neogobius melanostomus ) and mottled sculpin ( Cottus bairdii ), were examined under natural relevant downwelling light during predatory attacks by Burbot ( Lota lota ) and Smallmouth Bass ( Micropterus dolomieu ). Population declines have been observed for mottled sculpin after round goby invaded...
Piscivorous fishes attack and consume a variety of prey, however few studies have examined interactions of multiple predators with multiple prey species. The situational complexity of foraging at different times of the day was explored by examining the interactions of paired native predators (Burbot Lota lota or Smallmouth Bass Micropterus dolomieu...
The invasive bloody red shrimp, Hemimysis anomala, is a novel organism in the Laurentian Great Lakes region that utilizes benthic and open-water habitat. Hemimysis is predicted to impact nearshore fish communities in the Northeastern USA where its range is expanding, either negatively through predation of shared zooplankton prey or positively as hi...
