Unanswered Forum Topics

Effects of eliminating shallow hooks from tuna longline sets on target and non-target species in the Hawaii-based pelagic tuna fishery

Study Type
Field study in the wild
Location
Hawaii
Target catch
Tuna and swordfish
Effect on bycatch species
No differences in catches between experimental and control sets
Effect on target catch
Decreased catch of wahoo, dolphinfish, blue and striped marlin, and shortbill species, increased catch of sickle pomfret and opah, and did not affect catch of sharks and pelagic sting rays
Bycatch species
Sharks
Skates/Rays
Reduction technique
Deep sets
Fishing Gear
Hooks-and-Lines

Effects of eliminating shallow hooks from tuna longline sets on target and non-target species in the Hawaii-based pelagic tuna fishery

Study Type
Field study in the wild
Location
Hawaii
Target catch
Tuna and swordfish
Effect on bycatch species
No differences in catches between experimental and control sets
Effect on target catch
Decreased catch of wahoo, dolphinfish, blue and striped marlin, and shortbill species, increased catch of sickle pomfret and opah, and did not affect catch of sharks and pelagic sting rays
Bycatch species
Sharks
Skates/Rays
Reduction technique
Deep sets
Fishing Gear
Hooks-and-Lines

Effects of eliminating shallow hooks from tuna longline sets on target and non-target species in the Hawaii-based pelagic tuna fishery

Study Type
Field study in the wild
Location
Hawaii
Target catch
Tuna and swordfish
Effect on bycatch species
No differences in catches between experimental and control sets
Effect on target catch
Decreased catch of wahoo, dolphinfish, blue and striped marlin, and shortbill species, increased catch of sickle pomfret and opah, and did not affect catch of sharks and pelagic sting rays
Bycatch species
Sharks
Skates/Rays
Reduction technique
Deep sets
Fishing Gear
Hooks-and-Lines

Effects of eliminating shallow hooks from tuna longline sets on target and non-target species in the Hawaii-based pelagic tuna fishery

Study Type
Field study in the wild
Location
Hawaii
Target catch
Tuna and swordfish
Effect on bycatch species
No differences in catches between experimental and control sets
Effect on target catch
Decreased catch of wahoo, dolphinfish, blue and striped marlin, and shortbill species, increased catch of sickle pomfret and opah, and did not affect catch of sharks and pelagic sting rays
Bycatch species
Sharks
Skates/Rays
Reduction technique
Deep sets
Fishing Gear
Hooks-and-Lines

Field investigation of rare-earth metal as a deterrent to spiny dogfish in the Pacific halibut fishery

Study Type
Field study in the wild
Location
Alaska
Target catch
Pacific halibut
Effect on bycatch species
Slightly reduced bycatch of spiny dogfish
Effect on target catch
Did not affect catch of halibut
Bycatch species
Sharks
Reduction technique
Electromagnetic deterrents
Fishing Gear
Hooks-and-Lines

Field investigation of rare-earth metal as a deterrent to spiny dogfish in the Pacific halibut fishery

Study Type
Field study in the wild
Location
Alaska
Target catch
Pacific halibut
Effect on bycatch species
Slightly reduced bycatch of spiny dogfish
Effect on target catch
Did not affect catch of halibut
Bycatch species
Sharks
Reduction technique
Electromagnetic deterrents
Fishing Gear
Hooks-and-Lines
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