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The following schedule is subject to change (as of October 11, 2016). Please check back for updates. For more information about this meeting, go to: www.seafwa.org/conferences/2016
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Monday, October 17 • 1:40pm - 2:00pm
Fisheries. Assessing Data Deficiencies in a Popular Sport and Commercial Fish, the Yellowfin Tuna (Thunnus albacares), in the Northern Gulf of Mexico

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AUTHORS: Brett Falterman, Jennifer McKinney, Cijii Marshall, Erik Lang - Louisiana Department of Wildlife and Fisheries

ABSTRACT: The yellowfin tuna is a popular target of both offshore recreational anglers and the commercial pelagic longline fishery. The majority of user groups that target this species in the northern Gulf of Mexico are based in Louisiana. Nevertheless, significant data deficiencies exist in almost every aspect of the yellowfin tuna’s biology in the region. Beginning in 2012 the Louisiana Department of Wildlife and Fisheries (LDWF) initiated an attempt to address many of those critical data gaps by both sampling yellowfin tuna from the Louisiana recreational catch and initiating a directed yellowfin tuna electronic tagging program. To date over 2400 yellowfin tuna have been sampled from the recreational fishery and samples from these fish have significantly contributed to novel projects on natal origin, age and growth, reproductive biology, feeding ecology, and genetic population structure of the Gulf yellowfin resource. In addition, both pop-up satellite tags (PSATs; n=26) and internal archival (IA; n=163) tags have been attached to yellowfin tuna in the northern Gulf. Results to date suggest higher retention and slower growth in the Gulf of Mexico that previously suggested.

Monday October 17, 2016 1:40pm - 2:00pm
Riverview A

Attendees (7)