Circle hooks can still do damage upon release of fish

At Sharkathon, Shark Fishers Are a Keen Audience for Conservation Advice

Circle Hooks: What You Need to Know

Selecting hooks - The Fishing Website

Circle Hooks & Stripers: You Have Questions, We Have Answers - The Fisherman

Ultimate Hook Guide: 21 Fishing Hooks and When to Use Them

Catch and Release Hooks - Take Me Fishing

For Sharks, Even Catch and Release Can Kill

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Circle Hook Guide for Striper Fishing - On The Water

Circle Hooks Save Fish – Southern Fried Science

What happens to the fish when it breaks the line and the hook stays in the mouth of the fish, and possibly more then just the hook? - Quora

Circle Hooks & Stripers: You Have Questions, We Have Answers - The Fisherman

How to Tie Short, Circle-Hook Rigs for Bull Redfish

What happens to a fish hook that is left in the mouth of a fish after it has been caught and released? - Quora