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Interspecific Variation in the Response of Fish to Anthropogenic Noise by Jacob J. Stasso; Rachel H. Pieniazek; Dennis M. Higgs is a Environmental Science article available to read on EtoBox.

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## Abstract Elevated levels of anthropogenic noise, especially those observed through boating activity, can negatively impact fish species, but it remains unclear which species are most affected and which behavioural metrics are best used in assessing fish responses to underwater noise. The effects of boat sounds on freshwater species are of particular interest because freshwater environments are less studied than the marine realm despite comparably high levels of biodiversity. In the current study, we examine the behavioural responses to boat noise in two freshwater species that differ in their hypothesised response to sound inputs: the spottail shiner (Notropis hudsonius), a species with known hearing specialisations, and the bluegill sunfish (Lepomis macrochirus), a species with more generalised hearing capabilities. Fish were presented with boat noise in a laboratory setting, and their swimming, escape and foraging behaviours were assessed to examine differential responses in relation to hypothesised hearing abilities. Both species showed a decrease in general swimming behaviours but an increase in erratic movements in response to boat noise, indicative of stress responses for

Who reads Interspecific Variation in the Response of Fish to Anthropogenic Noise?

Author

Jacob J. Stasso; Rachel H. Pieniazek; Dennis M. Higgs

Publisher

Wiley

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)