There exists a wealth of knowledge on hearing ability in individual fish species, but the role of interspecific variation, and drivers behind it, remains understudied, making it difficult to understand evolutionary drivers. The current study quantified hearing thresholds for three species of sunfish in the family Centrarchidae [bluegill sunfish (Lepomis macrochirus), pumpkinseed sunfish (Lepomis gibbosus), and rock bass (Ambloplites rupestris)] using auditory evoked potentials and behavioral trials and saccular otolith size and hair cell density. In auditory physiological experiments, 10-ms tone bursts were played and responses monitored to measure hearing. In behavioral experiments, fish were exposed to the same tone bursts for 1 s, and changes in fish behaviors were monitored. Saccular otolith morphology and hair cell densities were also quantified. Physiological thresholds varied between species, but behavioral thresholds did not. Rock bass had larger S:O ratio (percentage of the saccular otolith surface occupied by the sulcus), but no differences in hair cell densities were found. Our study allows for a direct comparison between confamilial species, allowing a deeper understanding of sound detection abilities and possible mechanisms driving differential hearing. Using both approaches also allows future research into how these species may be impacted by increasing levels of anthropogenic noise.
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August 2023
August 09 2023
A comparative analysis of form and function in Centrarchidae hearing ability: Does otolith variation affect auditory responsiveness? Available to Purchase
Special Collection:
Fish Bioacoustics: Hearing and Sound Communication
Taylor A. Bendig;
Taylor A. Bendig
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
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Grace M. Dycha;
Grace M. Dycha
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
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Elise M. Bull;
Elise M. Bull
b)
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
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Roselia Ayala-Osorio;
Roselia Ayala-Osorio
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
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Dennis M. Higgs
Dennis M. Higgs
c)
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
Search for other works by this author on:
Taylor A. Bendig
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
Grace M. Dycha
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
Elise M. Bull
b)
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
Roselia Ayala-Osorio
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
Dennis M. Higgs
c)
Integrative Biology, Faculty of Science, University of Windsor
, Windsor, Ontario N9B 3P4, Canada
a)
This paper is part of a special issue on Fish Bioacoustics: Hearing and Sound Communication.
b)
Current address: Department of Ecology and Evolutionary Biology, University of Toronto, Mississauga, Ontario, Canada.
c)
Email: [email protected]
J. Acoust. Soc. Am. 154, 772–780 (2023)
Article history
Received:
March 29 2023
Accepted:
July 25 2023
Citation
Taylor A. Bendig, Grace M. Dycha, Elise M. Bull, Roselia Ayala-Osorio, Dennis M. Higgs; A comparative analysis of form and function in Centrarchidae hearing ability: Does otolith variation affect auditory responsiveness?. J. Acoust. Soc. Am. 1 August 2023; 154 (2): 772–780. https://doi.org/10.1121/10.0020587
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