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A Comparison Of Circle And J Hook Performance Within The Grenadian Pelagic Longline Fishery, Anthony G. Burns
A Comparison Of Circle And J Hook Performance Within The Grenadian Pelagic Longline Fishery, Anthony G. Burns
HCNSO Student Theses and Dissertations
The development and adaptation of gear technologies to local fisheries has been a management-oriented research strategy commonly used to mitigate the ecological effects of pelagic longline (PLL) gear on bycatch species. Grenada’s PLL fishery primarily targets yellowfin tuna, however while minimal, their bycatch of blue marlin and white marlin exceeds the Total Allowable Catch (TAC) allowed by the International Commission for the Conservation of Atlantic Tunas (ICCAT). A switch to circle hooks may benefit these nontargeted, bycatch species by reducing catch rates and haulback mortality, as well as increasing post-release survival. To determine differences in performance, assessments of 16/0 circle …