Circle hooks and rigging types used in a study of white marlin

Time To Circle? Healthy Grin Sport Fishing

The Circle Hook Revolution

Billfish Archives - Pacificfins Resort

Time series of marine fisheries landings from the continental

Ringer Swivels- Circle Hook Marlin fishing!! - The Hull Truth - Boating and Fishing Forum

Frontiers Mitigating effects on target and by-catch species fished by drifting longlines using circle hooks in the South Adriatic Sea (Central Mediterranean)

Ringer Swivels- Circle Hook Marlin fishing!! - The Hull Truth - Boating and Fishing Forum

Effects of three circle hook models on hooking location (externally

Five Fishery Bright Spots

Marlin fishing - Wikipedia

How-To: Selecting the Best Lures for Swordfish Deep Dropping – Hogy Lure Company Online Shop

Marlin fishing - Wikipedia

Circle hooks or “J” hooks?