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Influence of shark tourism on the activity and physiological condition of a non-focal pelagic fish1.28 MB
Published VersionCC BY V4.0, Open Access
Journal article
Influence of shark tourism on the activity and physiological condition of a non-focal pelagic fish
ICES Journal of Marine Science, Vol.80(6), pp.1670-1682
2023
Abstract
Wildlife tourism can ha v e adv erse effects on the beha viours and mo v ements of animals, with implications f or the health and fitness of individuals and populations. We used acoustic-tracking to show that food-based attractants used in shark-tourism increases activity (15%) and burst behaviours (60%) in yellowtail kingfish (Seriola lalandi , n = 18). Increased activity was restricted to periods when kingfish were on the same side of the island group as berleying tourism vessels, but decreased after operators left the site. Despite the raised activity and frequency of burst swimming e v ents, the ph y siological condition of kingfish (n = 39, 6 t agged, and 33 unt agged) measured using bioelectrical impedance analysis remained consistent with kingfish from control sites not exposed to tourism. This suggests that kingfish were able to compensate raised energy e xpenditure b y feeding on bait and berle y used b y operators or through natural foraging. We highlight that the effects of provisioning from wildlife tourism can e xtend be y ond changes in behaviours and movements and can additionally influence the energetic condition of non-focal animals through increased activity. Ho w e v er, supplemental f ood-sources pro vided through wildlife tourism ma y be sufficient to compensate for the increased energy expenditure and lessen the effects of tourism on individual fitness and health.
Details
- Title
- Influence of shark tourism on the activity and physiological condition of a non-focal pelagic fish
- Authors
- Thomas M Clarke (Corresponding Author) - Flinders UniversitySasha Whitmarsh (Author) - Deakin UniversityCurtis Champion (Author) - Southern Cross UniversityHugh Pederson (Author) - InnovaSea SystemsLauren Meyer (Author) - Flinders UniversityJoshua Dennis (Author) - Flinders UniversityRoss G Dwyer (Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and EngineeringCharlie Huveneers (Author) - Flinders University
- Publication details
- ICES Journal of Marine Science, Vol.80(6), pp.1670-1682
- Publisher
- Oxford University Press
- Date published
- 2023
- DOI
- 10.1093/icesjms/fsad093
- ISSN
- 1095-9289; 1054-3139
- Copyright note
- © The Author(s) 2023. Published by Oxford University Press on behalf of International Council for the Exploration of the Sea. 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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
- Grant note
- 3000010613 / Holsworth Wildlife Research Endowment Biology Society of South Australia
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99738098702621
- Output Type
- Journal article
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- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Fisheries
- Marine & Freshwater Biology
- Oceanography
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