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May 10, 2026SustainabilityOpen Access

Catch Efficiency Benefits and Bycatch Risks of Baited Drift Gillnets

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Authors

TDTinh Ngoc DangNha Trang UniversityMTMinh-Hoang TranTrường ĐH Nguyễn Tất ThànhKNKhanh Q. NguyenNha Trang University

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Overview

Randomized trial evaluates fishing efficiency versus bycatch risks in Vietnamese gillnets, suggesting a vital trade-off.

Key Points

  • This study aims to assess the impact of bait on the catch efficiency and bycatch risks in Vietnamese gillnet fisheries.
  • Conducted sea trials in a pelagic fishery off central Vietnam comparing baited with non-baited gillnets.
  • Bait bags containing round scad were used to differentiate the gillnet types during the trials.
  • Analyzed catch rates and size-dependent catch efficiency of various target and bycatch species.
  • Baited gillnets significantly increased CPUE for skipjack tuna by 68.2%, frigate tuna by 55%, and bullet tuna by 62.4%.
  • Jumps in catch for wahoo and mahi mahi were observed at 50.6% and 51.6%, respectively, but not statistically significant.
  • Baited gillnets captured more hammerhead sharks, indicating an increase in interactions with protected species.

Cite This Study

Dang et al. (2026) studied this question.

synapsesocial.com/papers/6a0021fec8f74e3340f9cf50https://doi.org/10.3390/su18104675
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