Hooks-and-Lines

Fish are attracted to hooks-and-lines by natural or artificial bair placed on a hook, which captures the fish when it bites the bait. One or multiple lines may be used to catch pelagic, demersal, or benthic species. Different line and hook types are used depending on the target species.
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<i>Set longlines</i> are used near the ocean bottom and consist of regularly spaced shorter lines, or snoods, attached to a long main line. <i> Drifting longlines </i> have a main line kept near the surface by floats, with baited hooks attached to long snoods. <i>Trolling lines</i> are towed behind a vessel at the surface or depth, and use baited hooks or lures. <i>Vertical lines</i> are attached to a sinker and have one or multiple hooks. <i> Poles and lines</i>, consisting of a baited hook or lure attached to a pole, are the gear type most frequently used by recreational fishermen. <i>Handlines</i>, such as those used for squid jigging, are vertically weighted lines attached to bait or lures; fish are hauled up into the boat when caught.
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For more detailed information, please visit the FAO Fisheries and Aquaculture Department <a href="http://www.fao.org/fishery/geartype/109/en" target="_blank"> hooks and lines</a> web page.

Displaying 41 - 50 of 143

Study Type: 

Field study in the wild

Location: 

South Africa

Target catch: 

Tuna

Effect on bycatch species: 

1.07 birds/1000 hooks (unweighted) vs. 0.06 birds/1000 hooks (weighted)

Effect on target catch: 

No detectable affect

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Study Type: 

Field study in the wild

Location: 

South Africa

Target catch: 

Tuna

Effect on bycatch species: 

Hybrid lines appeared to reduce sea bird attacks, but not statistically conclusive

Effect on target catch: 

None reported

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Study Type: 

Field study in the wild

Location: 

Seychelles

Target catch: 

Tunas and swordfish

Effect on bycatch species: 

75% of bycatch species were caught during day sets, with lancetfish being the most common. Sharks were most common during night sets.

Effect on target catch: 

75% of market species were caught during day sets.

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Study Type: 

Field study in the wild

Location: 

Western North Pacific

Target catch: 

Tunas and swordfish

Effect on bycatch species: 

Number of albatross and shearwater attacks were reduced with paired tori lines. Secondary attacks were also significantly lower with paired tori lines.

Effect on target catch: 

None reported

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Reduction technique: 

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Study Type: 

Field study in the wild

Location: 

Crozet Islands

Target catch: 

Patagonian toothfish

Effect on bycatch species: 

Less time for interaction with longlines

Effect on target catch: 

Less depredation

Article: 

Study Type: 

Field study in the wild

Location: 

Australia

Target catch: 

Albacore tuna, yellowfin tuna, mahi mahi

Effect on bycatch species: 

No cetaceans were caught on experimental lines

Effect on target catch: 

No effect

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