The impact of predation by marine mammals on Patagonian toothfish longline fisheries

South Georgia


Target catch: 

Patagonian toothfish

Study Type: 

Field study in the wild

Effect on target catch: 

Catch rates were lower when marine mammals were present

Effect on bycatch species: 

Sperm whales interacted with longlines 25% of the time; orcas interacted only 5% of the time could remove half of the catch; fur seal interactions have declined since 2009

Bycatch species: 

Fishing Gear: