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Salas AK, Capuano AM, Harms CA, Piniak WED, Mooney TA. Temporary noise-induced underwater hearing loss in an aquatic turtle (Trachemys scripta elegans). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 154:1003-1017. [PMID: 37584467 DOI: 10.1121/10.0020588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 07/25/2023] [Indexed: 08/17/2023]
Abstract
Noise pollution in aquatic environments can cause hearing loss in noise-exposed animals. We investigated whether exposure to continuous underwater white noise (50-1000 Hz) affects the auditory sensitivity of an aquatic turtle Trachemys scripta elegans (red-eared slider) across 16 noise conditions of differing durations and amplitudes. Sound exposure levels (SELs) ranged between 155 and 193 dB re 1 μPa2 s, and auditory sensitivity was measured at 400 Hz using auditory evoked potential methods. Comparing control and post-exposure thresholds revealed temporary threshold shifts (TTS) in all three individuals, with at least two of the three turtles experiencing TTS at all but the two lowest SELs tested, and shifts up to 40 dB. There were significant positive relationships between shift magnitude and exposure duration, amplitude, and SEL. The mean predicted TTS onset was 160 dB re 1 μPa2 s. There was individual variation in susceptibility to TTS, threshold shift magnitude, and recovery rate, which was non-monotonic and occurred on time scales ranging from < 1 h to > 2 days post-exposure. Recovery rates were generally greater after higher magnitude shifts. Sound levels inducing hearing loss were comparatively low, suggesting aquatic turtles may be more sensitive to underwater noise than previously considered.
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Affiliation(s)
- Andria K Salas
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Alyssa M Capuano
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Craig A Harms
- Department of Clinical Sciences and Center for Marine Sciences and Technology, College of Veterinary Medicine, North Carolina State University, Morehead City, North Carolina 28557, USA
| | - Wendy E D Piniak
- Office of Protected Resources, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Beaufort, North Carolina 28516, USA
| | - T Aran Mooney
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
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Zdenek CN, Staples T, Hay C, Bourke LN, Candusso D. Sound garden: How snakes respond to airborne and groundborne sounds. PLoS One 2023; 18:e0281285. [PMID: 36787306 PMCID: PMC9928108 DOI: 10.1371/journal.pone.0281285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 01/19/2023] [Indexed: 02/15/2023] Open
Abstract
Evidence suggests that snakes can hear, but how snakes naturally respond to sound is still unclear. We conducted 304 controlled experiment trials on 19 snakes across five genera in a sound-proof room (4.9 x 4.9 m) at 27ºC, observing the effects of three sounds on individual snake behavior, compared to controls. We quantified eight snake behaviors (body movement, body freezing, head-flicks, tongue-flicks, hissing, periscoping, head fixation, lower jaw drop) in response to three sounds, which were filtered pink-noise within the following frequency ranges: 0-150Hz (sound 1, which produced ground vibrations, as measured by an accelerometer), 150-300Hz (sound 2, which did not produced ground vibrations), 300-450Hz (sound 3, which did not produced ground vibrations). All snake responses were strongly genus dependent. Only one genus (Aspidites, Woma Pythons) significantly increased their probability of movement in response to sound, but three other genera (Acanthophis (Death Adders), Oxyuranus (Taipans), and Pseudonaja (Brown Snakes)) were more likely to move away from sound, signaling potential avoidance behavior. Taipans significantly increased their likelihood of displaying defensive and cautious behaviors in response to sound, but three of the five genera exhibited significantly different types of behaviors in sound trials compared to the control. Our results highlight potential heritable behavioral responses of snakes to sound, clustered within genera. Our study illustrates the behavioral variability among different snake genera, and across sound frequencies, which contributes to our limited understanding of hearing and behavior in snakes.
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Affiliation(s)
- Christina N. Zdenek
- Venom Evolution Lab, School of Biological Sciences, The University of Queensland, St. Lucia, Queensland, Australia
- * E-mail:
| | - Timothy Staples
- Marine PaleoEcology Lab, The University of Queensland, St. Lucia, Queensland, Australia
| | - Chris Hay
- Australian Reptile Academy, Brisbane, Queensland, Australia
| | - Lachlan N. Bourke
- Venom Evolution Lab, School of Biological Sciences, The University of Queensland, St. Lucia, Queensland, Australia
| | - Damian Candusso
- Queensland University of Technology (QUT), School of Creative Practice, Kelvin Grove, Brisbane, Queensland, Australia
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Transcriptome Analyses Provide Insights into the Auditory Function in Trachemys scripta elegans. Animals (Basel) 2022; 12:ani12182410. [PMID: 36139269 PMCID: PMC9495000 DOI: 10.3390/ani12182410] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/05/2022] [Accepted: 09/09/2022] [Indexed: 11/17/2022] Open
Abstract
An auditory ability is essential for communication in vertebrates, and considerable attention has been paid to auditory sensitivity in mammals, birds, and frogs. Turtles were thought to be deaf for a long time; however, recent studies have confirmed the presence of an auditory ability in Trachemys scripta elegans as well as sex-related differences in hearing sensitivity. Earlier studies mainly focused on the morphological and physiological functions of the hearing organ in turtles; thus, the gene expression patterns remain unclear. In this study, 36 transcriptomes from six tissues (inner ear, tympanic membrane, brain, eye, lung, and muscle) were sequenced to explore the gene expression patterns of the hearing system in T. scripta elegans. A weighted gene co-expression network analysis revealed that hub genes related to the inner ear and tympanic membrane are involved in development and signal transduction. Moreover, we identified six differently expressed genes (GABRA1, GABRG2, GABBR2, GNAO1, SLC38A1, and SLC12A5) related to the GABAergic synapse pathway as candidate genes to explain the differences in sexually dimorphic hearing sensitivity. Collectively, this study provides a critical foundation for genetic research on auditory functions in turtles.
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García-Cobos D, Gómez-Sánchez DA, Crowe-Riddell JM, Sanders KL, Molina J. Ecological and sexual roles of scale mechanoreceptors in two species of Neotropical freshwater snake (Dipsadinae: Helicops). Biol J Linn Soc Lond 2021. [DOI: 10.1093/biolinnean/blab129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Understanding the roles of ecological and sexual selection in the variation of sensory systems may elucidate aspects of the natural history of organisms. Little is known about the evolution of mechanoreception in snakes and how the function and structure of mechanoreceptors vary between species or sexes. Here, we describe the internal and external morphology of cephalic mechanoreceptor sensilla and quantify inter- and intraspecific variation in four sensilla traits of two freshwater snake species that differ in their habitat and diet preferences, Helicops pastazae and Helicops angulatus, by combining scanning electron microscopy (SEM), histological techniques and image analyses. SEM showed sensilla as prominent evaginations of the epidermis surrounded by concentric rings, with H. pastazae having larger and more heterogeneous sensilla. In both species, histology showed a reduction in the outer epidermal layer above the sensilla with a grouping of dermally derived central cells below it. Higher values of sensilla traits were found in H. pastazae, except for the chin-shields. We also found that males of both species had significantly higher values of sensilla traits on all of the scales examined. We hypothesize that the variation in both qualitative and quantitative traits in scale sensilla might be a consequence of differences in foraging and/or reproductive strategies between species and sexes.
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Affiliation(s)
- Daniela García-Cobos
- Subdirección de Investigaciones, Colecciones Biológicas, Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, Claustro de San Agustín, Villa de Leyva, Boyacá, Colombia
- Museo de Historia Natural C.J. Marinkelle, Universidad de los Andes, Departamento de Ciencias Biológicas, Bogotá D.C., Colombia
| | - Diego A Gómez-Sánchez
- Reserva Natural Rey Zamuro – Matarredonda, San Martín de los Llanos, Dpto. Meta, Colombia
| | - Jenna M Crowe-Riddell
- Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48100, USA
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Kate L Sanders
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5005, Australia
| | - Jorge Molina
- Centro de Investigaciones en Microbiología y Parasitología Tropical (CIMPAT), Universidad de los Andes, Departamento de Ciencias Biológicas, Bogotá D.C., Colombia
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Acoustic Pressure, Particle Motion, and Induced Ground Motion Signals from a Commercial Seismic Survey Array and Potential Implications for Environmental Monitoring. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2021. [DOI: 10.3390/jmse9060571] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An experimental marine seismic source survey off the northwest Australian coast operated a 2600 cubic inch (41.6 l) airgun array, every 5.88 s, along six lines at a northern site and eight lines at a southern site. The airgun array was discharged 27,770 times with 128,313 pressure signals, 38,907 three-axis particle motion signals, and 17,832 ground motion signals recorded. Pressure and ground motion were accurately measured at horizontal ranges from 12 m. Particle motion signals saturated out to 1500 m horizontal range (50% of signals saturated at 230 and 590 m at the northern and southern sites, respectively). For unsaturated signals, sound exposure levels (SEL) correlated with measures of sound pressure level and water particle acceleration (r2= 0.88 to 0.95 at northern site and 0.97 at southern) and ground acceleration (r2= 0.60 and 0.87, northern and southern sites, respectively). The effective array source level was modelled at 247 dB re 1µPa m peak-to-peak, 231 dB re 1 µPa2 m mean-square, and 228 dB re 1 µPa2∙m2 s SEL at 15° below the horizontal. Propagation loss ranged from −29 to −30log10 (range) at the northern site and −29 to −38log10(range) at the southern site, for pressure measures. These high propagation losses are due to near-surface limestone in the seabed of the North West Shelf.
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Duarte CM, Chapuis L, Collin SP, Costa DP, Devassy RP, Eguiluz VM, Erbe C, Gordon TAC, Halpern BS, Harding HR, Havlik MN, Meekan M, Merchant ND, Miksis-Olds JL, Parsons M, Predragovic M, Radford AN, Radford CA, Simpson SD, Slabbekoorn H, Staaterman E, Van Opzeeland IC, Winderen J, Zhang X, Juanes F. The soundscape of the Anthropocene ocean. Science 2021; 371:371/6529/eaba4658. [DOI: 10.1126/science.aba4658] [Citation(s) in RCA: 161] [Impact Index Per Article: 53.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Carlos M. Duarte
- Red Sea Research Centre (RSRC) and Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
- Arctic Research Centre, Department of Biology, Aarhus University, C.F. Møllers Allé 8, DK-8000 Århus C, Denmark
| | - Lucille Chapuis
- Biosciences, University of Exeter, Prince of Wales Road, Exeter EX4 4PS, UK
| | - Shaun P. Collin
- School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
| | - Daniel P. Costa
- Institute of Marine Sciences, University of California, Santa Cruz, CA 95060, USA
| | - Reny P. Devassy
- Red Sea Research Centre (RSRC) and Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Victor M. Eguiluz
- Instituto de Física Interdisciplinar y Sistemas Complejos IFISC (CSIC-UIB), E07122 Palma de Mallorca, Spain
| | - Christine Erbe
- Centre for Marine Science & Technology, Curtin University, Perth, WA 6102, Australia
| | - Timothy A. C. Gordon
- Biosciences, University of Exeter, Prince of Wales Road, Exeter EX4 4PS, UK
- Australian Institute of Marine Science, Perth, WA 6009, Australia
| | - Benjamin S. Halpern
- National Center for Ecological Analysis and Synthesis, University of California, Santa Barbara, CA 93101, USA
- Bren School of Environmental Science and Management, University of California, Santa Barbara, CA 93106, USA
| | - Harry R. Harding
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK
| | - Michelle N. Havlik
- Red Sea Research Centre (RSRC) and Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Mark Meekan
- Australian Institute of Marine Science, Perth, WA 6009, Australia
| | - Nathan D. Merchant
- Centre for Environment, Fisheries and Aquaculture Science, Lowestoft NR33 0HT, UK
| | - Jennifer L. Miksis-Olds
- Center for Acoustics Research and Education, University of New Hampshire, Durham, NH 03824, USA
| | - Miles Parsons
- Centre for Marine Science & Technology, Curtin University, Perth, WA 6102, Australia
- Australian Institute of Marine Science, Perth, WA 6009, Australia
| | - Milica Predragovic
- Red Sea Research Centre (RSRC) and Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Andrew N. Radford
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, UK
| | - Craig A. Radford
- Institute of Marine Science, Leigh Marine Laboratory, University of Auckland, P.O. Box 349, Warkworth 0941, New Zealand
| | - Stephen D. Simpson
- Biosciences, University of Exeter, Prince of Wales Road, Exeter EX4 4PS, UK
| | - Hans Slabbekoorn
- Institute of Biology, Leiden University, P.O. Box 9505, 2300 RA Leiden, Netherlands
| | | | - Ilse C. Van Opzeeland
- Alfred-Wegener Institute for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany
| | | | - Xiangliang Zhang
- Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia
| | - Francis Juanes
- Department of Biology, University of Victoria, Victoria, BC, Canada
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