Lateral view of 9/0 J-hook, 3.6 sun Japanese tuna and 18/0 circle hooks

Effects of circle hooks on pelagic catches in the Hawaii-based

Rite Angler Stainless Steel 2X Ringed Circle Tuna

Some of the hooks used in referenced research. Displayed hooks are

Effects of circle hooks on pelagic catches in the Hawaii-based tuna longline fishery - ScienceDirect

FUDO Tuna Ringed Eye Hooks are true “J Hooks” that provide more open throat and grasp than that of the Southern Tuna style. These are versatile hooks that provide great performance when trolling or fishing bait for large gamefish.

Fudo Hooks - Super Ocean Tuna Needle Eye Hooks 8/0 - 2pk

Lateral view of 9/0 J-hook, 3.6 sun Japanese tuna and 18/0 circle

Rite Angler Stainless Steel 2X Ringed Circle Tuna

Tune Up Tuesday - J Hook vs Circle Hook - What is the Difference

Examples of 6/0 and 8/0 circle hooks (top) and J-hooks (bottom

FUDO Tuna Ringed Eye Hooks are true “J Hooks” that provide more open throat and grasp than that of the Southern Tuna style. These are versatile hooks that provide great performance when trolling or fishing bait for large gamefish.

Super Ocean Tuna Ringed Eye Hooks 8/0 (2 Pack)

REPORT OF THE STANDING COMMITTEE ON RESEARCH - Iccat

Hooks used for the study-14/0 circle hook (left) and 3.5 Japanese

Jinkai Japanese Tuna Hook 50 Pack Size 36