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Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis

An increasing level of anthropogenic underwater noise (shipping, drilling, sonar use, etc.) impairs acoustic orientation and communication in fish by hindering signal transmission or detection. Different noise regimes can reduce the ability to detect sounds of conspecifics due to an upward shift of...

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Autores principales: Maiditsch, Isabelle Pia, Ladich, Friedrich
Formato: Online Artículo Texto
Lenguaje:English
Publicado: PeerJ Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9657181/
https://www.ncbi.nlm.nih.gov/pubmed/36389415
http://dx.doi.org/10.7717/peerj.14230
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author Maiditsch, Isabelle Pia
Ladich, Friedrich
author_facet Maiditsch, Isabelle Pia
Ladich, Friedrich
author_sort Maiditsch, Isabelle Pia
collection PubMed
description An increasing level of anthropogenic underwater noise (shipping, drilling, sonar use, etc.) impairs acoustic orientation and communication in fish by hindering signal transmission or detection. Different noise regimes can reduce the ability to detect sounds of conspecifics due to an upward shift of the hearing threshold, a phenomenon termed masking. We therefore investigated the masking effect of white noise on the auditory thresholds in female croaking gouramis (Trichopsis vittata, Osphronemidae). We hypothesized that noise would influence the detection of conspecific vocalizations and thus acoustic communication. The auditory evoked potentials (AEP) thresholds were measured at six different frequencies between 0.1 and 4 kHz using the AEP recording technique. Sound pressure level audiograms were determined under quiet laboratory conditions (no noise) and continuous white noise of 110 dB RMS. Thresholds increased in the presence of white noise at all tested frequencies by 12–18 dB, in particular at 1.5 kHz. Moreover, hearing curves were compared to spectra of conspecific sounds to assess sound detection in the presence of noise in various contexts. We showed that masking hinders the detection of conspecific sounds, which have main energies between 1.0 and 1.5 kHz. We predict that this will particularly affect hearing of female’s low-intensity purring sounds during mating. Accordingly, noise will negatively affect acoustic communication and most likely reproductive success.
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spelling pubmed-96571812022-11-15 Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis Maiditsch, Isabelle Pia Ladich, Friedrich PeerJ Animal Behavior An increasing level of anthropogenic underwater noise (shipping, drilling, sonar use, etc.) impairs acoustic orientation and communication in fish by hindering signal transmission or detection. Different noise regimes can reduce the ability to detect sounds of conspecifics due to an upward shift of the hearing threshold, a phenomenon termed masking. We therefore investigated the masking effect of white noise on the auditory thresholds in female croaking gouramis (Trichopsis vittata, Osphronemidae). We hypothesized that noise would influence the detection of conspecific vocalizations and thus acoustic communication. The auditory evoked potentials (AEP) thresholds were measured at six different frequencies between 0.1 and 4 kHz using the AEP recording technique. Sound pressure level audiograms were determined under quiet laboratory conditions (no noise) and continuous white noise of 110 dB RMS. Thresholds increased in the presence of white noise at all tested frequencies by 12–18 dB, in particular at 1.5 kHz. Moreover, hearing curves were compared to spectra of conspecific sounds to assess sound detection in the presence of noise in various contexts. We showed that masking hinders the detection of conspecific sounds, which have main energies between 1.0 and 1.5 kHz. We predict that this will particularly affect hearing of female’s low-intensity purring sounds during mating. Accordingly, noise will negatively affect acoustic communication and most likely reproductive success. PeerJ Inc. 2022-11-10 /pmc/articles/PMC9657181/ /pubmed/36389415 http://dx.doi.org/10.7717/peerj.14230 Text en ©2022 Maiditsch and Ladich https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
spellingShingle Animal Behavior
Maiditsch, Isabelle Pia
Ladich, Friedrich
Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title_full Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title_fullStr Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title_full_unstemmed Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title_short Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
title_sort noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis
topic Animal Behavior
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9657181/
https://www.ncbi.nlm.nih.gov/pubmed/36389415
http://dx.doi.org/10.7717/peerj.14230
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