What happens to a fish hook that is left in the mouth of a fish

Why are fishes' lips pushed out ahead of the rest of their face, and does being pushed out that way benefit the fish? It looks different from land animals. How different is

Swallowed Hook Removal: Amazingly Easy And Effective! - In-Fisherman

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What happens if the mouth of a fish is closed? - Quora

Fisherman removing the hook from the mouth of a fish Stock Photo

Fish open mouth hang on hook. Fish hook or fishhook is device for

How to avoid gut hooking fish - Quora

How much pain do fish feel when they get hooked? - Quora