2024
DOI: 10.1111/eff.12777
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Effects of predator species, composition and light environment on prey escape behaviours of invasive and native benthic fishes

N. O. Michels,
T. R. Hrabik,
A. F. Mensinger

Abstract: 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 the Laurentian Great Lakes, but no data exist on prey avoidance behaviours and success for either species. The activity levels of the prey species were measured in the prese… Show more

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Cited by 2 publications
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“…For animals that rely on visual cues, light is crucial for activities including reproduction, predator avoidance and foraging (Marchesan et al, 2005). In a predator-prey context, increased light intensity can aid predators locate prey (Fleming & Bateman, 2018;Richmond et al, 2004); conversely, it can make predators more conspicuous, inducing increased vigilance or fleeing behaviour in prey (Michels et al, 2024). Light in aquatic systems is predominantly influenced by surface illumination, depth and suspended particulates, which can change light intensity, colour composition and polarisation (Jägerbrand & Spoelstra, 2023).…”
Section: Introductionmentioning
confidence: 99%
“…For animals that rely on visual cues, light is crucial for activities including reproduction, predator avoidance and foraging (Marchesan et al, 2005). In a predator-prey context, increased light intensity can aid predators locate prey (Fleming & Bateman, 2018;Richmond et al, 2004); conversely, it can make predators more conspicuous, inducing increased vigilance or fleeing behaviour in prey (Michels et al, 2024). Light in aquatic systems is predominantly influenced by surface illumination, depth and suspended particulates, which can change light intensity, colour composition and polarisation (Jägerbrand & Spoelstra, 2023).…”
Section: Introductionmentioning
confidence: 99%