Hooks equipped with magnets can increase catches of blue shark (Prionace glauca) by longline fishery

NE Atlantic


Target catch: 

Tuna and blue sharks

Study Type: 

Field study in the wild

Effect on target catch: 

None reported

Effect on bycatch species: 

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

Bycatch species: 

Fishing Gear: 

Reduction technique: