Using fish sounds to identify spawning activity of weakfish (<i>Cynoscion regalis</i>) and red drum (<i>Sciaenops ocellatus</i>) in nature

Sprague, Mark W.; Luczkovich, Joseph J.; Johnson, Stephen E.

doi:10.1121/1.421734

Cited by 3 publications

(1 citation statement)

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“…Both the reef/off-reef paired recordings and the sound propagation surveys demonstrate the importance of the higher frequency band in distinguishing the oyster reef soundscape, and this is reinforced by the 2011 Clam Shoal propagation survey, which showed that the lower frequency band was not distinct to the reef habitat. Since this frequency band encompasses sounds produced by aggregations of the sciaenid fishes common in Pamlico Sound environments (Sprague et al 1998, Luczkovich et al 2008, the re-emergence of the low frequency peak in the recordings at 1500 and 2000 m was likely due to proximity to other sources of fish sounds such as the numerous seagrass beds and shoals in the Clam Shoal area. Because the 2010 survey did not extend to these distances, we cannot assess whether the lower frequency trend detected at Clam Shoal in 2011 was due to a transient event (e.g.…”

Section: Habitat-related Acoustic Characteristicsmentioning

confidence: 99%

Estuarine soundscapes: distinct acoustic characteristics of oyster reefs compared to soft-bottom habitats

Lillis¹,

Eggleston²,

Bohnenstiehl³

2014

Mar. Ecol. Prog. Ser.

102

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Different types of benthic habitats likely produce distinct soundscapes due to differences in the physical and biological contributors to ambient sound. Despite their potential importance to ecological processes such as larval settlement, the soundscapes of most coastal and estuarine habitats have not been characterized. We investigated whether an estuarine soundscape is a reliable indicator of habitat type by measuring the sounds of oyster reefs and nearby off-reef soft-bottom areas in Pamlico Sound, North Carolina, USA. Acoustic sampling in 3 areas across the estuary revealed distinct acoustic patterns in oyster reef habitats compared to surrounding offreef areas, with reef soundscapes dominated by snapping shrimp sounds and the vocalizations of reefdwelling fish species. Compared to soft-bottom habitat, oyster reefs had significantly higher sound pressure levels in the 2−23 kHz frequency band and higher acoustic diversity index values at each concurrent sampling event. Spectral differences between adjacent reef/off-reef habitats were present throughout the summer and fall sampling season and across 2 sampling years, but the acoustic signal strength differed between reef sites. Passive sound propagation surveys found that the distinct acoustic characteristics of oyster reefs within the 2−23 kHz frequency band were highly localized, with effective source levels of 108.8 to 120.0 dB re 1 μPa @ 1 m and transmission loss approximating a cylindrical geometric spreading model. This soundscape characterization study suggests that spatial heterogeneity in ambient sound could serve as a reliable indicator of habitat type and potentially convey habitat quality information to dispersing organisms.

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Section: Habitat-related Acoustic Characteristicsmentioning

confidence: 99%

Estuarine soundscapes: distinct acoustic characteristics of oyster reefs compared to soft-bottom habitats

Lillis¹,

Eggleston²,

Bohnenstiehl³

2014

Mar. Ecol. Prog. Ser.

102

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Habitat type drives the spatial distribution of Australian fish chorus diversity

Hawkins,

Saunders,

Landero Figueroa

et al. 2023

The Journal of the Acoustical Society of America

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Fish vocalize in association with life functions with many species calling en masse to produce choruses. Monitoring the distribution and behavior of fish choruses provides high-resolution data on fish distribution, habitat use, spawning behavior, and in some circumstances, local abundance. The purpose of this study was to use long-term passive acoustic recordings to obtain a greater understanding of the patterns and drivers of Australian fish chorus diversity at a national scale. This study detected 133 fish choruses from year-long recordings taken at 29 Australian locations with the highest fish chorus diversity identified at a site in the country's northern, tropical waters. A linear model fitted with a generalized least squares regression identified geomorphic feature type, benthic substrate type, and northness (of slope) as explanatory variables of fish chorus diversity. Geomorphic feature type was identified as the significant driver of fish chorus diversity. These results align with broad-scale patterns reported previously in fish biodiversity, fish assemblages, and fish acoustic diversity. This study has highlighted that passive acoustic monitoring of fish chorus diversity has the potential to be used as an indicator of fish biodiversity and to highlight habitats of ecological importance.

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The Australian fish chorus catalogue (2005–2023)

Hawkins,

Erbe,

Becker

et al. 2024

Front. Remote Sens.

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Biological sources are significant contributors to aquatic soundscapes. Soniferous fish can dominate the soundscape in certain locations, at specific times and frequencies, particularly during the production of choruses. Passive acoustic monitoring of fish choruses can provide important ecological information about soniferous fish populations. This study presents the Australian Fish Chorus Catalogue, an inventory of fish choruses detected from 83 locations in Australian estuarine and marine waters. The Australian Fish Chorus Catalogue contains data on fish chorus occurrence and the spectral and temporal measurements, spectrographic images, and audio examples of 301 fish choruses. This catalogue has been developed to establish the foundations of an ongoing effort to document, quantify, compare, and track Australian fish choruses. We hope this open-access data depository will be used as a reference for future research and will facilitate an increase in understanding of fish choruses, which can then be applied to the monitoring and management of fish populations and their respective ecosystems.

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Using fish sounds to identify spawning activity of weakfish (Cynoscion regalis) and red drum (Sciaenops ocellatus) in nature

Cited by 3 publications

References 0 publications

Estuarine soundscapes: distinct acoustic characteristics of oyster reefs compared to soft-bottom habitats

Estuarine soundscapes: distinct acoustic characteristics of oyster reefs compared to soft-bottom habitats

Habitat type drives the spatial distribution of Australian fish chorus diversity

The Australian fish chorus catalogue (2005–2023)

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