Circular Hooks, Designed to Release Bluefin Tuna - The New York Times

How to Fish for Bluefin Tuna in San Diego: The Complete Guide

Capt. Josh Temple Unleashed: Advanced Tuna Fishing

The Circle Hook Revolution - FECOP

Tuna longline fishing needs to do more to protect endangered species

Time To Circle? Healthy Grin Sport Fishing

Examples of an unfished and straightened hooks during trials of 127

BKK Monster Circle Drifting Special Hooks – Tackle World

SPECIES PROFILE: BLUEFIN TUNA

Inshore Bluefin Tuna - Offshore Fishing - NJ Woods & Water