Evaluating the Impact of Fish Aggregating Devices (FADS) on Tunas in the Pacific Ocean
GRANT AWARDED: July 2012. Many pelagic fishes, turtles, and other marine species are attracted to floating objects in the open ocean, and fishermen have used artificial fish aggregating devices (FADs) to attract fish. In the past few decades, they have deployed thousands of sophisticated FADs with high tech tracking gear and fish finders to catch tuna and other species.
This project will examine the impact of FADs in the western and central Pacific on the movement, distribution, health, diet and reproductive potential of tunas. Based on the findings, the researchers will assess different management scenarios such as restricting FAD deployment and time/area fishing closures. This information will provide managers with relevant, actionable science that is directly informative to current tuna management challenges.
Recent WorkView All
Most visits to surface waters by medium-sized juvenile yellowfin and bigeye tuna are brief, according to a new study of electronic tagging data from the western and central Pacific Ocean. This finding suggests that limits to fishing effort on FADs (fish aggregating devices) may be necessary as part of any strategy to prevent overfishing of these species, and that seasonal closures will be... Read More
Revisiting the Vulnerability of Undersized Bigeye (Thunnus obesus) and Yellowfin (T. albacares) Tuna Caught by Purse Seine Fisheries while Associating with Surface Waters and Floating Objects
Scutt Phillips, J., G. M. Pilling, B. Leroy, K. Evans, T. Usu, C. H. Lam, K. M. Schaefer, & S. Nicol. (2017). Revisiting the Vulnerability of Undersized Bigeye (Thunnus obesus) and Yellowfin (T. albacares) Tuna Caught by Purse-seine Fisheries while Associating with Surface Waters and Floating Objects. PLOS ONE. In press. Read More
It is nearly impossible to observe tuna behavior for extended periods because of their speed and deep dives, yet this behavior may have important implications for how fishing is managed. For instance, an accurate estimate of when juvenile bigeye tuna spend time near the surface could help managers reduce how many are caught, which would promote a sustainable population. In a recent study... Read More