Anatomy of a fish hook What makes a Fish Hook

Anatomy of a Fish Hook – What Makes a Fish Hook?

Last Updated: January 5, 2026By Tags: , ,

A fish hook may seem simple at first glance. However, over hundreds of years, anglers and manufacturers have refined hooks to serve many specific purposes. As a result, modern fish hooks come in a wide variety of shapes and configurations.

At its core, every fish hook consists of a set of basic attributes. Each attribute offers variations that deliver specific benefits on the water. Therefore, understanding these components helps anglers choose the right hook for each situation.

Single fish hook on a white background

Basic Hook Attributes

The foundational parts of a fish hook include:

Below, you will find a breakdown of each attribute. Additionally, you can explore linked resources for more detailed information.

Fish hook with the eye highlighted to show its location

Hook Eye

Choosing the Right Hook Eye for Fishing Success
The hook eye allows fishing line to attach to the hook. At its most basic, it is a loop onto which fishing line can be tied. Many variations of this basic feature exist, including different eye orientations and leg styles.

Wire/Wire Diameter

Guide to Selecting the Right Diameter Hook
The metal wire used to make the hook helps define its strength, in conjunction with whether it is forged or unforged (see shank). Light, medium, and heavy wire hooks each have specific use cases where they excel.

Fish hook with the shank highlighted to show its location

Hook Shank

Understanding Hook Shanks
The shank is the length of metal from the hook eye (or leg) to the point where the hook begins to bend. Shank configurations include forged and unforged options, different lengths, and, in some cases, features designed to secure baits, such as slices or bait keepers.

The bend of the hook

Hook Bend

Choosing the Right Hook Bend
The bend is the curved radius at the base of each hook. In some hooks, the bend is harder to distinguish from the shank, as the hook curves gradually from the eye. The bend is one of the most important hook features, with variations designed to improve bait security or to hook fish in specific locations to reduce unnecessary mortality.

Hook Point

Hook Point

A Guide to Understanding Hook Points
The hook point should not be overlooked. It is the business end of the hook, and sharp points can mean the difference between landing or losing a fish. Different hook point styles allow anglers to fine-tune sharpness and shape to meet their specific needs.

Fish hook with the barb highlighted to show its location

Hook Barb

Different Types of Hook Barbs
Hooks either have a barb or are barbless. A barb is a small, triangular piece of metal extending from the tip of the hook point. It allows a fish to slide onto the hook easily, while its blunt edge helps prevent the fish from sliding back off.

Three fish hooks showing the difference in hook sizes

Hook Size

Understanding Hook Sizes
Hooks are available in a wide range of sizes. Choosing the correct size for the target species or bait improves both its appeal to fish and its ability to withstand the fight once hooked.

Fish hook with the gap highlighted to show its location

Hook Gap

What Fish Hook Gap Do You Need
A hook’s gap is measured perpendicularly from the hook point to the shank. Variations in gap width can allow for weedless presentations, where the hook point is embedded in soft plastics, or keep the hook point closer to the shank for improved hook-setting performance.

A Hook Gap

Hook Throat

The hook throat is the area between the hook point and the shank, extending down to the bend of the hook.

Three fish hooks in different colors showing various finish options

Finish

A Comprehensive Guide To Fish Hook Finishes

Hooks can be finished with many different platings or coatings to increase durability, protect against rust and dulling, or enhance presentation to target species.

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