Complex migration routes of Atlantic bluefin tuna (Thunnus thynnus) question current population structure paradigm
Abstract
Movements of Atlantic bluefin tuna ( Thunnus thynnus , ABFT) from specific western Atlantic forage grounds are not well described, and the extent of their spawning areas is mainly surmised. In 2005 and 2006, we deployed 41 pop-up satellite archival tags (PSATs) on adult Atlantic bluefin tuna off the coast of Nova Scotia, Canada, and on Georges Bank. During the assumed spawning period, 56% of the tagged ABFT occupied a known spawning area, while 44% were located in distant oceanic regions. Assuming obligate annual spawning, these results are inconsistent with the notion of spawning site fidelity to the Gulf of Mexico. The ocean-wide migrations of adult ABFT tagged on a common forage ground suggest evidence of a metapopulation requiring more spatially explicit management than the current simple two-stock structure.
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Atlantic bluefin tuna migrate long distances between cold-water foraging areas and warm, oligotrophic spawning areas.
“Atlantic bluefin tuna Thunnus thynnus (BFT) is a highly migratory species that travels long distances between cold-water foraging areas and warm, oligotrophic spawning areas (Block et al. 2005, Rooker et al. 2007, Galuardi et al. 2010).”
From Comparison between environmental characteristics of larval bluefin tuna Thunnus thynnus habitat in the Gulf of Mexico and western Mediterranean Sea (2013) · cites this paper as Galuardi et al. 2010
Residence time on spawning grounds is likely to be variable, with adult fish arriving and leaving throughout the spawning season.
“Although our study did not examine residence time on spawning grounds, this is likely to be variable, with adult fish arriving and leaving throughout the spawning season (Farley & Davis 1998, Block et al. 2001, Galuardi et al. 2010).”
From Comparison between environmental characteristics of larval bluefin tuna Thunnus thynnus habitat in the Gulf of Mexico and western Mediterranean Sea (2013) · cites this paper as Galuardi et al. 2010
Cites
Electronic tagging and population structure of Atlantic bluefin tuna
Block, B. A., Teo, S. L. H., Walli, A., Boustany, A., Stokesbury, M. J. W., Farwell, C. J., Weng, K. C., Dewar, H., & Williams, T. D. (2005) · Nature · doi:10.1038/nature03463 · Cited by 781 · see citing works
Teo, S. L. H., Boustany, A. M., & Block, B. A. (2007) · Marine Biology · doi:10.1007/s00227-007-0758-1 · Cited by 131 · see citing works
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Global habitat preferences of commercially valuable tuna
Arrizabalaga, H., Dufour, F., Kell, L., Merino, G., Ibaibarriaga, L., Chust, G., Irigoien, X., Santiago, J., Murua, H., Fraile, I., et al. (2015) · Deep Sea Research Part II: Topical Studies in Oceanography · doi:10.1016/j.dsr2.2014.07.001 · Cited by 194 · see citing works
Crossing the line: migratory and homing behaviors of Atlantic bluefin tuna
Rooker, Jr., Arrizabalaga, H., Fraile, I., Secor, D., Dettman, D., Abid, N., Addis, P., Deguara, S., Karakulak, F., Kimoto, A., et al. (2014) · Marine Ecology Progress Series · doi:10.3354/meps10781 · Cited by 112 · see citing works
Bioenergetics, Trophic Ecology, and Niche Separation of Tunas
(2016) · Advances in Marine Biology · doi:10.1016/bs.amb.2016.06.002 · Cited by 69 · see citing works
Muhling, B., Reglero, P., Ciannelli, L., Alvarez-Berastegui, D., Alemany, F., Lamkin, J., & Roffer, M. (2013) · Marine Ecology Progress Series · doi:10.3354/meps10397 · Cited by 58 · see citing works
- Authors
- Galuardi, B., Royer, F., Golet, W., Logan, J., Neilson, J., & Lutcavage, M.
- Affiliations
- Fisheries and Oceans Canada (CA)
- Large Pelagics Research Center, University of New Hampshire, Durham, NH 03824, USA.
- Venue
- Canadian Journal of Fisheries and Aquatic Sciences
- Publisher
- Canadian Science Publishing
- Published
- 2010-06
- Volume
- 67
- Issue
- 6
- Pages
- 966-976
- ISSN
- 0706-652X (ISSN-L)
- 1205-7533
- OpenAlex
- W2028759490
- Cited by
- 159
- References
- 2
- Citations by year
- 2026: 5 · 2025: 9 · 2024: 3 · 2023: 5 · 2022: 13 · 2021: 13 · 2020: 12 · 2019: 12 · 2018: 6 · 2017: 6 · 2016: 8 · 2015: 15 · 2014: 22 · 2013: 15 · 2012: 6
- FWCI
- 8.61
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Canadian Journal of Fisheries and Aquatic Sciences (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish Ecology and Management Studies
- Physical Sciences › Environmental Science › Nature and Landscape Conservation › Ichthyology and Marine Biology
- Keywords
- Thunnus thynnus, migration routes, spawning grounds, spawning site fidelity, metapopulation, population structure (demography), oceanic migration, Gulf of Mexico, Georges Bank, Nova Scotia
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