Challenges of estimating post-release mortality of istiophorid billfishes caught in the recreational fishery: A review


Graves, J. and Horodyski, A.Z.



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Fisheries Research

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The authors conducted a review of post release mortality studies on billfish caught in recreational fisheries. Despite relatively so few studies involving many variables, the authors were able to detect some trends: 1) High speed trolling with artificial lures or a lure/natural bait combination (usually with J hooks) result in low amounts of internal hooking, tissue trauma and post release mortality; and 2) slow troll fisheries using natural baits or lure/bait combinations and circle hooks result in reduced rates of internal hooking, tissue trauma and sometimes post-release mortality.