Sound production in the Meagre, Argyrosomus regius (Asso, 1801): intraspecific variability associated with size, sex and context

PeerJ
Beatriz P PereiraMaria Clara P Amorim

Abstract

Many fish taxa produce sound in voluntary and in disturbance contexts but information on the full acoustic repertoire is lacking for most species. Yet, this knowledge is critical to enable monitoring fish populations in nature through acoustic monitoring. In this study we characterized the sounds emitted during disturbance and voluntary contexts by juvenile and adult meagre, Argyrosomus regius, in laboratory conditions. Breeding sounds produced by captive adults were also compared with meagre sounds registered in the Tagus estuary (Lisbon, Portugal) from unseen fish during the breeding season. The present dataset demonstrates for the first time that in this species dominant frequency is inversely related to fish size, and that sounds vary according to sex, context and age. Sounds from captive breeding adults were similar to sounds recorded in the field. Our findings indicate that A. regius sound features carry information about size, sex, age and motivation. This variability could potentially be used to identify meagre in the field and to infer about ontogenetic phase (i.e., juveniles vs. adults, and variation with size) and motivation (e.g., spawning). Future studies should confirm sex differences and ascertain the influence o...Continue Reading

References

Sep 1, 1986·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·J D CrawfordC D Hopkins
Jun 27, 2001·The Journal of the Acoustical Society of America·J R McKibben, A H Bass
Sep 1, 2001·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·M L FineT M Cameron
Feb 15, 2007·The Journal of the Acoustical Society of America·Yuan C LinBao Q Huang
Dec 8, 2010·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·Javier S TellecheaMichael L Fine
Jun 15, 2017·Scientific Reports·Timothy J RowellBrad E Erisman
Dec 22, 2017·Biology Letters·Brad E Erisman, Timothy J Rowell

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Citations

Aug 15, 2021·Marine Pollution Bulletin·Manuel VieiraPaulo J Fonseca

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Methods Mentioned

BETA
dissection
chip

Software Mentioned

Raven
regius
Adobe Audition
TIBCO
Statistica

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