Field Study 705

Article: 

Southwest Atlantic

Target catch: 

Tuna

Study Type: 

Field study in the wild

Effect on target catch: 

Albacore catches increased with circle hooks on both types of longline. Shortfin mako shark catch rates increased with circle hooks on the American style longlines.

Effect on bycatch species: 

American style longlines - no significant difference in catch rates for blue or porbeagle sharks, seabirds or sea turtles. Spanish style longline - significant decrease in pelagic stingray catch rates on circle hooks, no significant differences in catch

Reduction technique: 

Bycatch species: 

Fishing Gear: