Postrelease Mortality of Angled Tarpon in Puerto Rico
نویسندگان
چکیده
Tarpon Megalops atlanticus is a popular and economically important inshore sport fish in Puerto Rico, the pursuit of this species by local anglers tourists contributes to economy. This managed as no-take fishery, which aims preserve populations catching releasing that would otherwise be subjected harvest removal from population. The approach assumes minimal mortality and/or reduced fitness released fish, yet process angling can produce many sublethal side effects or direct mortality. In study, charter for San Juan lagoon system Rico was examined determine postrelease Angled were externally tagged with acoustic transmitters relocated periodically fate after release. Postrelease at least 4.5% (two observed dead) most 18.2% (observed dead plus classified based on lack movement; confidence interval [CI] = 7.5–28.9%). Some tag loss observed, could have artificially elevated estimates. Potential factors contribute are discussed compared literature. Hook type, gear action, landing procedures, air exposure key areas possible improvement. Recommendations minimize harm during include use heavier action reduce fight time, circle hook requirement live bait deep hooking, maintaining water photography, limiting 2 min less if removed water.
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ژورنال
عنوان ژورنال: Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science
سال: 2023
ISSN: ['1942-5120']
DOI: https://doi.org/10.1002/mcf2.10238