Skip to main content
Unsupported Browser Detected

Internet Explorer lacks support for the features of this website. For the best experience, please use a modern browser such as Chrome, Firefox, or Edge.

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

March 31, 2022

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

NOAA Fisheries monitors the Hawaii deep-set pelagic longline fishery (targeting tunas) through a mandatory observer program. This report summarizes data for deep-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. The tables also summarize sea turtle, marine mammal, sea bird, and Endangered Species Act-listed elasmobranch interactions based on the 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–September 30, 2021 October 1 –December 31, 2021 January –December, 2021
Departures 419 419 399 377 1,614
Departures With Observer 60 74 84 70 288
Observer Coverage 14.32% 17.66% 21.05% 18.57% 17.84%
Total Sets 791 1063 1,137 966 3,957
Total Hooks Set 2,256,897 3,063,581 3,308,578 2,792,220 11,421,276

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–September 30, 2021 October 1 –December 31, 2021 January –December, 2021
Released Injured Loggerhead - - - 1 1
Released Injured Leatherback - 1 - - 1
Released Dead Green 1 - - 2 3
Released Dead Olive Ridley - 2 1 2 5
Released Injured Olive Ridley - - - 3 3
Total Sea Turtle Interactions 1 3 1 8 13

Marine Mammal Interactions

Marine Mammal Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–September 30, 2021 October 1 –December 31, 2021 January –December, 2021
Released Dead False Killer Whale - 1 1 - 2
Released Injured False Killer Whale 4 4 3 2 13
Released Injured Bottlenose Dolphin - 1 2 - 3
Released Injured Short-Finned Pilot Whale - 1 - - 1
Released Dead Rough-Toothed Dolphin - - 1 - 1
Released Injured Rough-Toothed Dolphin - 1 - - 1
Released Dead Unidentified Cetacean 1 - - - 1
Released Injured Unidentified Cetacean 2 - - 1 3
Total Marine Mammal Interactions 7 8 7 3 25

Seabird Interactions

Seabird Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–September 30, 2021 October 1 –December 31, 2021 January –December, 2021
Released Dead Black-Footed Albatross 45 17 2 16 80
Released Injured Black-Footed Albatross 2 5 - - 7
Released Dead Laysan Albatross 11 13 - 11 35
Released Injured Laysan Albatross - 2 - 1 3
Released Dead Unidentified Shearwater - 2 - - 2
Total Seabird Interactions 58 39 2 28 127

Elasmobranch Interactions

Elasmobranch Interactions January 1–March 31, 2021 April 1–June 30, 2021 July 1–September 30, 2021 October 1 –December 31, 2021 January –December, 2021
Released Dead Oceanic White-Tip Shark 38 28 12 32 110
Released Alive Oceanic White-Tip Shark 141 112 73 83 409
Released Alive Giant Manta Ray 1 - - 1 2
Released Alive Manta/Mobula 3 2 2 5 12
Released Alive Unidentified Ray 2 1 - - 3
Total Elasmobranch Interactions 185 143 87 121 536

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

Pacific Islands Region Observer Program