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Electronic tagging and population structure of Atlantic bluefin tuna
The results are consistent with two populations of bluefin tuna with distinct spawning areas that overlap on North Atlantic foraging grounds, and Restrictions on the time and area where longlining occurs would reduce incidental catch mortalities on western spawning grounds.
Tracking apex marine predator movements in a dynamic ocean
It is shown that top predators exploit their environment in predictable ways, providing the foundation for spatial management of large marine ecosystems, and critical habitats across multinational boundaries are identified.
Migratory Movements, Depth Preferences, and Thermal Biology of Atlantic Bluefin Tuna
The results obtained from tagging of Atlantic bluefin tuna with implantable archival and pop-up satellite archival tags provide insights into the seasonal movements and environmental preferences of this species.
ASPECTS OF SHARK SWIMMING PERFORMANCE DETERMINED USING A LARGE WATER TUNNEL
Analyses of tail-beat frequency (TBF) in relation to velocity and body size show that smaller Triakis have a higher TBF and can swim at higher relative speeds, but TBF approaches a maximal value at speeds approaching Ucrit, suggesting that red muscle contraction velocity may limit sustained swimming speed.
Movements and site fidelity of the giant manta ray, Manta birostris, in the Komodo Marine Park, Indonesia
- H. Dewar, P. Mous, M. Domeier, Andreas H. Muljadi, J. Pet, J. Whitty
- Environmental Science
- 20 June 2008
The long-term fidelity indicates that marine-protected areas centered around aggregation sites could help protect this species from overexploitation.
Electronic Tags in Marine Fisheries Research: A 30-Year Perspective
Remote sensing technologies have been used to study the behaviour and movements of fish in the sea for about 30 years. The first relatively simple devices have given rise to a suite of sophisticated…
Tuna metabolism and energetics
Mortality rate of striped marlin (Tetrapturus audax) caught with recreational tackle
Circle hooks were found to be equally effective in hooking and landing striped marlin and far less likely to cause serious bleeding or become lodged in areas other than the mouth.
Movements, behavior and habitat preferences of juvenile white sharks Carcharodon carcharias in the eastern Pacific
It is demonstrated that the nursery region of white sharks includes waters of southern California, USA, and Baja Cali- fornia, Mexico, and juvenile white sharks captured as bycatch in both US and Mexican waters, suggesting that management of fishing mortality should be of increased concern.
Life History and Stock Structure of Atlantic Bluefin Tuna (Thunnus thynnus)
A comprehensive examination of available data on the life history and stock structure of Atlantic bluefin tuna (Thunnus thynnus) is provided by re-examining current databases and literature and highlighting findings from recent studies using approaches such as archival tags and natural markers.