Environmental Science
2 years ago

Drifting fish aggregating devices not harming yellowfin tuna condition over time.

Marine Ecology Progress Series
No evidence from long-term analysis of yellowfin tuna condition that drifting fish aggregating devices act as ecological traps
Amaël Dupaix, Laurent Dagorn, Antoine Duparc, Aurélie Guillou, Jean‐Louis Deneubourg, Manuela Capello

Paper Summary

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Drifting fish aggregating devices (DFADs) used by tuna fisheries have raised concerns about harming tuna and other species. A study from 1987-2019 found that the body condition of yellowfin tuna did not decrease with more DFADs, suggesting no long-term harm. Monitoring habitat and tuna behavior is recommended to catch any potential issues.