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Hawaii Shallow-Set Longline Fishery Quarterly and Annual Status Report 2021

March 31, 2022

Pacific Islands Region Observer Program Hawaii shallow-set longline data reports of observer coverage, sea turtle, marine mammal, sea bird, ESA-listed elasmobranch interactions, set and hook unit effort for vessels departing with observers during 2021.

NOAA Fisheries monitors the Hawaii shallow-set pelagic longline fishery (targeting swordfish) through a mandatory observer program. This report summarizes data for shallow-set fishing trips. It ensures prompt dissemination of Hawaii longline observer data, and may be revised after final data editing. The following table summarizes the percent observer coverage for vessel departures, vessels departing with observers, and set and hook unit effort for observed vessels based on departure date. Sea turtle, marine mammal, sea bird, and Endangered Species Act-listed elasmobranch interactions are based on begin haul date. Unidentified elasmobranch species that could be an ESA-listed species are also included.

Vessel Departures, and Set and Hook Unit Effort for Vessels

  January 1–March 31, 2021 April 1–June 30, 2021 July 1–December 31, 2021 January –December, 2021
Departures 25 20 12 57
Departures With Observer 25 20 12 57
Observer Coverage 100% 100% 100% 100%
Total Sets 334 276 181 791
Total Hooks Set 419,132 346,967 238,852 1,004,951

Sea Turtle, Marine Mammal, Sea Bird, and ESA-listed Elasmobranch Interactions

Sea Turtle Interactions

Sea Turtle Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–December 31, 2021 January –December, 2021
Released injured loggerhead 11 2 6 19
Released injured leatherback - 3 - 3
Released injured green - 1 - 1
Released injured olive ridley - 1 1 2
Released unknown unidentified hardshell - 1 - 1
Total sea turtle interactions 11 8 7 26

Marine Mammal Interactions

Marine Mammal Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–December 31, 2021 January –December, 2021
Released injured unidentified beaked whale 1 - - 1
Total marine mammal interactions 1 0 0 1

Seabird Interactions

Seabird Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–December 31, 2021 January –December, 2021
Released dead black-footed albatross 6 5 - 11
Released injured black-footed albatross 19 15 - 34
Released dead laysan albatross 1 - - 1
Released injured laysan albatross 9 - - 9
Released injured sooty shearwater - 1 - 1
Released injured unidentified shearwater - 1 - 1
Total seabird interactions 35 22 0 57

Elasmobranch Interactions

Elasmobranch Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–December 31, 2021 January –December, 2021
Released dead oceanic white-tip shark - 2 4 6
Released alive oceanic white-tip shark - 33 6 39
Released alive manta/mobula - 4 - 4
Total elasmobranch interactions 0 39 10 49

Last updated by Pacific Islands Regional Office on 03/31/2022

Pacific Islands Region Observer Program