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Journal article
Broad-scale genetic population connectivity in the Moreton Bay Bug (Thenus australiensis) on Australia's east coast
Hydrobiologia, Vol.851, pp.2347-2355
2024
Abstract
Understanding population connectivity helps inform resource and conservation managers about appropriate boundaries for management units. However, for many species facing recent increases in fishing or environmental pressure, accurate information on population structure is lacking. Reef Bugs (Thenus australiensis), commonly known as Moreton Bay Bugs, are iconic shovel-nosed lobsters in northern Australia and an increasingly important fisheries resource. Around 80% of landings occur in the Queensland East Coast Otter Trawl Fishery (ECOTF) where the first stock assessment of the species is underway. However, knowledge about population structure to inform stock assessment is lacking. We used genome complexity reduction-based sequencing to characterise high-quality Single Nucleotide Polymorphisms (SNPs) used to evaluate population structure among three management zones of the ECOTF. Post-filtering, a total of 3,031 SNPs were used to infer no genetic differences among locations indicating strong genetic population connectivity. The presence of a single panmictic population was further supported by cluster and kinship analyses. Broad-scale genetic connectivity likely results from pelagic larval dispersal due to limited adult movements. Findings of high gene flow among connected populations indicate a single biological stock of T. australiensis on Australia's east coast and will inform future fisheries management initiatives.
Details
- Title
- Broad-scale genetic population connectivity in the Moreton Bay Bug (Thenus australiensis) on Australia's east coast
- Authors
- Matthew N. McMillan (Corresponding Author) - Queensland Department of Agriculture and FisheriesNaomi Brunjes - University of the Sunshine Coast, Queensland, School of Science, Technology and EngineeringSamuel M. Williams (Author) - Queensland Department of Agriculture and FisheriesBonnie J. Holmes - University of the Sunshine Coast, Queensland, School of Science, Technology and Engineering
- Publication details
- Hydrobiologia, Vol.851, pp.2347-2355
- Publisher
- Springer Dordrecht
- Date published
- 2024
- DOI
- 10.1007/s10750-023-05460-8
- ISSN
- 1573-5117; 0018-8158
- Copyright note
- This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
- Data Availability
- The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 991006998002621
- Output Type
- Journal article
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