Sharks

Displaying 1 - 10 of 42

Study Type: 

Summary study

Location: 

Seychelles

Target catch: 

swordfish and tuna

Effect on bycatch species: 

All marketable species were caught in the 150 m layer during day and night sets.

Effect on target catch: 

Differences in the species composition, quantity and depth of capture for bycatch species

Article: 

Bycatch species: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

NE Atlantic

Target catch: 

Tuna and blue sharks

Effect on bycatch species: 

Magnets increased and did not decrease blue shark catch rates. Larger magnets had a stronger effect.

Effect on target catch: 

None reported

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Tyrrhenian Sea

Target catch: 

Norway lobster (Nephrops norvegicus) and greater forkbeard (Phycis blennoides)

Effect on bycatch species: 

90 mm excluder grid did not reduce catches of blackmouth catshark (Galeus melastomus)

Effect on target catch: 

90 mm excluder grid reduced catches of greater forkbeard and to a lesser extend Norway lobster

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Minch and Stanton Banks

Target catch: 

Whitefish

Effect on bycatch species: 

Removing the 'tickler' chain resulted in decreased catches of sharks and skates

Effect on target catch: 

Catch rates for flatfish, haddock and whiting did not differ. Larger anglerfish were caught without the 'tickler' in place

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Massachusettes Bay

Target catch: 

Silver hake

Effect on bycatch species: 

There were no observed differences in the behavior of spiny dogfish between gear configurations or grate colors.

Effect on target catch: 

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Brazil

Target catch: 

Tuna (pelagic) sharks (bottom)

Effect on bycatch species: 

Mortality at haulback was significantly higher for on J-hooks.

Effect on target catch: 

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Central Pacific

Target catch: 

pelagic sharks and fishes

Effect on bycatch species: 

examing post-release of blue shark released from longline gear

Effect on target catch: 

examined in other research

Bycatch species: 

Fishing Gear: 

Study Type: 

Summary study

Location: 

Atlantic and Pacific

Target catch: 

pelagic fishes (tuna, swordfish)

Effect on bycatch species: 

examing factors relevant to post-release mortality in sharks released from longline gear

Effect on target catch: 

not examined

Bycatch species: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Central Pacific

Target catch: 

pelagic sharks and fishes

Effect on bycatch species: 

examining rates of post-release mortality from longline gear

Effect on target catch: 

examined in other research

Bycatch species: 

Fishing Gear: 

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