How to Select and What Type of Fishing Hook to Use

Table of Contents

1. Introduction
2. Understanding Hook Anatomy
3. The Logic of Hook Sizing
4. Common Hook Designs and Their Uses
5. Specialized Hooks for Modern Angling
6. Material and Coating Considerations
7. Selecting Hooks for Specific Species
8. Survival and Emergency Fishing Kits
9. Hook Maintenance and Safety
10. Conclusion
11. FAQ

Introduction

You are standing on the bank of a remote mountain stream, miles from the nearest road. You have a basic survival kit and a length of bank line, but the trout in the pool are ignoring your presentation. Often, the difference between a successful harvest and going hungry isn't the bait or the location—it is the specific piece of steel at the end of your line. Choosing the right tackle is a fundamental skill that transforms a casual hobby into a reliable method of food procurement. At BattlBox, we know that having the right tool for the job is the core of preparedness. In this guide, we will break down the anatomy, sizing, and applications of various hooks to ensure you know exactly what type of fishing hook to use in any environment. Understanding these variables will help you build a more effective emergency kit and become a more capable outdoorsman.

If you want to keep building that kit month after month, choose your BattlBox subscription.

Quick Answer: The type of fishing hook you should use depends on your bait and target species. Use circle hooks for live bait and catch-and-release, offset worm hooks for soft plastics in heavy cover, and baitholder hooks for general panfishing with natural bait.

For a broader overview of hook selection, see BattlBox's guide to choosing fishing hooks.

Understanding Hook Anatomy

Before you can choose the right gear, you must understand how it is built. Every part of a fishing hook serves a functional purpose, from how it holds the bait to how it penetrates the fish's jaw.

• The Point: This is the sharp end that first makes contact. Points can be needle-sharp, rolled, or even have multiple facets for easier penetration through tough cartilage.
• The Barb: This is the small backward-facing spike that prevents the hook from sliding out once it has set. While effective for keeping fish on the line, barbs make unhooking more difficult and can be dangerous if you accidentally hook yourself.
• The Eye: This is the loop where you tie your line. Most eyes are closed, but some specialized hooks feature an "open eye" for attaching directly to a lure or swivel.
• The Shank: This is the straight section between the eye and the curve. Long shanks are easier to remove from fish with teeth or those that swallow the bait deeply. Short shanks are easier to hide inside small baits.
• The Bend: This is the curved portion of the hook. The shape of the bend determines how the hook will move under pressure and how much "bite" it has into the fish.
• The Gap (or Gape): This is the distance between the point and the shank. A wider gap is necessary when using bulky baits to ensure there is enough room for the hook point to clear the bait and find a home in the fish’s mouth.

For another breakdown of the parts of a hook, read this fishing hook anatomy guide.

Key Takeaway: The "gap" is arguably the most critical measurement; if your bait is thicker than the gap, the fish can bite the bait without ever touching the hook point.

The Logic of Hook Sizing

Hook sizing is one of the most confusing aspects for beginners because the numbers work in two different directions. There are two main scales used: the "Number" scale and the "Aught" scale.

The Number Scale is used for smaller hooks. On this scale, the larger the number, the smaller the hook. A size 22 hook is tiny, often used for microscopic flies in trout fishing. A size 1 hook is relatively large, often used for bass or walleye.

The Aught Scale starts where the number scale ends. These sizes are written as a number followed by a slash and a zero (e.g., 1/0, 2/0). On this scale, the larger the number, the larger the hook. A 1/0 is a standard size for many bass lures, while a 10/0 is a massive hook used for sharks or large catfish.

When comparing sizing systems, this guide to fishing hook sizes provides a useful next step.

When building your kit, variety is your best friend. We often include a range of sizes in our Advanced and Pro tiers because you cannot always predict what size fish will be active in a survival or backcountry scenario.

Common Hook Designs and Their Uses

Different fishing scenarios require different mechanical advantages. Below are the most common types you will encounter and when to deploy them.

Bait Hooks

These are the bread and butter of traditional fishing. Bait hooks are designed to hold natural offerings like worms, crickets, or minnows.

• Baitholder Hooks: These feature small barbs on the shank to keep slippery bait like nightcrawlers from sliding down and bunching up in the bend.
• Aberdeen Hooks: These have a very thin wire and a long shank. The thin wire prevents the bait from being "killed" by the hook, and the long shank makes it easy to remove from small-mouthed fish like crappie or bluegill.
• Mosquito Hooks: These are small, fine-wire hooks used for "nose-hooking" small minnows or soft plastics. They are excellent for finesse fishing in clear water where fish are easily spooked.

A compact option for carrying assorted hooks is the Grim Workshop Bushcraft EDC Survival Card, which includes a small fishing kit.

Circle Hooks

Circle hooks are a favorite among conservation-minded anglers and survivalists alike. The point of a circle hook is turned back toward the shank at a sharp angle.

Myth: You need to "set the hook" with a hard jerk when using a circle hook. Fact: If you jerk a circle hook, you will pull it right out of the fish's mouth. You simply apply steady pressure, and the hook's design causes it to slide to the corner of the mouth and lock into place.

Because circle hooks almost always hook the fish in the corner of the jaw, they prevent "gut hooking," where the fish swallows the hook and suffers internal damage. This makes them ideal for catch-and-release or for "set lines" where you aren't actively holding the rod.

For more scenario-based advice, explore BattlBox's fishing hook guide.

J-Hooks and Octopus Hooks

The J-hook is the classic profile most people recognize. Octopus hooks are a variation with a slightly bent eye and a rounded gap. They are versatile and used for everything from salmon fishing to catfishing. They provide excellent penetration but require an active hook set from the angler.

Specialized Hooks for Modern Angling

Offset Worm Hooks

If you are fishing in heavy cover like lily pads or fallen timber, the offset worm hook is mandatory. This hook has a "Z" bend near the eye. This allows you to rig a soft plastic worm "weedless" by burying the hook point back into the body of the plastic. This prevents the hook from snagging on branches while allowing it to pop out and hook the fish when they bite.

For related tackle and field-ready fishing tools, browse the Hunting & Fishing collection.

Extra Wide Gap (EWG) Hooks

EWG hooks are a variation of the offset hook with a much deeper bend. These are used for thicker soft plastic baits like "creature baits" or tubed lures. The extra space in the gap ensures that when the fish bites, the thick plastic has room to compress, exposing the hook point.

Treble Hooks

Treble hooks feature three points joined to a single eye. These are most commonly found on hard lures like crankbaits and spoons.

Note: While treble hooks offer a higher chance of a hook-up on a strike, they are notorious for snagging on rocks and underwater debris. They are also much more difficult to remove from a fish's mouth without causing damage.

Material and Coating Considerations

The metal your hook is made of dictates its strength and longevity. Most hooks are made from high-carbon steel, which is incredibly strong but prone to rust.

• Stainless Steel: These are highly resistant to corrosion and are the standard for saltwater fishing. However, they are more brittle than carbon steel and can snap under extreme pressure.
• Vanadium Steel: This is a premium alloy that is lighter and stronger than traditional steel. It allows for a thinner wire gauge, which results in better penetration.
• Coatings: Hooks are often coated in tin, bronze, or black nickel to provide a layer of protection against the elements. For survival kits, look for galvanized or tin-plated hooks, as they will sit in a tackle box for years without degrading.

Wire gauge is another factor to consider. A "2X Strong" hook uses thicker wire than a standard hook. This is necessary when targeting powerful fish like striped bass or large catfish that can actually straighten out a standard wire hook during a fight.

For additional field repair and fishing capability, consider the Exotac ripSPOOL.

Selecting Hooks for Specific Species

To be effective, you must match the hook to the mouth and behavior of your target.

1. Panfish (Bluegill, Perch): Use size 6 to 10 Aberdeen hooks. Their mouths are small, and they tend to nibble. The long shank helps you retrieve the hook safely.
2. Bass: For soft plastics, use a 3/0 to 5/0 EWG or offset hook. For topwater lures, size 2 to 4 treble hooks are common.
3. Catfish: Use 2/0 to 8/0 circle hooks. Catfish often "run" with the bait, which naturally sets a circle hook in the corner of their mouth.
4. Trout: Use size 10 to 14 egg hooks or small bait hooks. Trout have excellent eyesight, so use the smallest, thinnest hook possible to avoid detection.

For a species-by-species comparison, read this guide to hook sizing and style.

Bottom line: Always lean toward the smallest hook you can get away with for the species you are targeting. A small hook can catch a large fish, but a large hook will rarely catch a small one.

Survival and Emergency Fishing Kits

Fishing is one of the most calorie-efficient ways to procure food in a survival situation. Unlike hunting, which requires active movement and high energy expenditure, a "passive" fishing setup allows you to gather food while you build shelter or purify water. Our emergency preparedness collection emphasizes tools that provide this kind of leverage.

When building a survival fishing kit, your hook selection should be diverse. You don't need a hundred of the same hook; you need five of five different types.

If you want a compact handline system, the Exotac xREEL is designed for hiking, camping, and survival kits.

• Inclusion 1: Size 8 and 10 baitholder hooks for small pond fish.
• Inclusion 2: 2/0 Circle hooks for larger river fish or set lines.
• Inclusion 3: A few medium trebles for improvising lures from shiny objects like soda can tabs.
• Inclusion 4: A sharpening stone or file. A dull hook is just a piece of wire.

The Fishing collection is another place to compare compact fishing tools and food-procurement gear.

The "Set Line" Technique: In a survival scenario, tie a circle hook to a sturdy line, bait it with whatever is available (insects, small crawfish, or even a piece of colorful cloth), and secure it to a flexible branch overhanging the water. The flexibility of the branch acts like a fishing rod, absorbing the fish's lunges and preventing the line from snapping.

Once your basic kit is assembled, subscribe to BattlBox for expert-curated outdoor gear delivered monthly.

Hook Maintenance and Safety

A hook is a precision tool that requires care. Even the best gear will fail if the point is rolled or the eye is rusted.

Sharpening Your Hooks

Most hooks are "sharp enough" out of the package, but they are rarely "perfect." To test for sharpness, lightly drag the hook point across your thumbnail. If it slides without catching, it is dull. If it digs in immediately with almost no pressure, it is ready.

Step 1: Inspect the point. Look for any visible blunting or "rolling" of the tip.
Step 2: Use a hook file. Stroke the file from the base of the point toward the tip. Do this on three sides to create a triangular, needle-like point.
Step 3: Test again. Ensure the hook catches on a thumbnail test.
Step 4: Protect the metal. If you've filed off the coating, a tiny dab of permanent marker can help prevent immediate rusting.

For another maintenance-focused resource, see this BattlBox fishing hook maintenance guide.

Safety First

Hooks are designed to pierce flesh, and they don't care if that flesh is a fish or your thumb.

• Always use pliers. When removing a hook from a fish, use needle-nose pliers or a dedicated hook extractor. This keeps your fingers away from the sharp points and any teeth the fish might have.
• Carry a "Hook Pull" kit. If a hook becomes embedded past the barb in a person, the standard method is the "string yank" technique or pushing the point through, snipping the barb with wire cutters, and backing it out.
• Barbless for Practice: If you are practicing your casting or teaching a child, consider pinching the barbs down with pliers. This makes accidental "human catches" much less traumatic.

Important: Never cast your line without looking behind you. A hook in the eye or ear is a quick way to end an adventure and require medical intervention.

Conclusion

Mastering the nuances of fishing tackle is about more than just filling a cooler; it is about developing the self-reliance to provide for yourself in the wild. By understanding the relationship between hook size, design, and target species, you significantly increase your odds of success. Whether you are stocking an EDC kit or preparing for a week-long backcountry trek, your choice of steel matters.

At BattlBox, our mission is to provide you with the expert-curated gear and knowledge needed to excel in the outdoors. We believe that preparation is empowering. From the essential hooks found in our Basic tier to the high-end survival tools in our Pro Plus missions, we help you build the kit you need for the life you want to lead.

• Match the gap to your bait thickness.
• Use circle hooks for passive fishing and conservation.
• Keep a variety of sizes in your emergency kit.
• Always test and sharpen your hooks before use.

Explore our emergency preparedness gear or subscribe to BattlBox for professional-grade gear delivered monthly.

FAQ

What does "2/0" mean in fishing hook sizes?

The "/0" refers to the "Aught" scale, used for larger hooks. A 2/0 (two-aught) is larger than a 1/0 but smaller than a 3/0. This scale is the opposite of the standard number scale, where a larger number indicates a smaller hook.

For more detail, read BattlBox's complete guide to fishing hook sizes.

Can I use a saltwater hook in freshwater?

Yes, you can use saltwater hooks in freshwater without any issues. They are typically made of corrosion-resistant materials like stainless steel, which makes them very durable. However, saltwater hooks are often thicker and heavier, which might affect the action of small freshwater lures or baits.

Why would I choose a barbless hook?

Barbless hooks are chosen for two main reasons: ease of removal and fish safety. They cause significantly less damage to the fish's mouth, which is vital for catch-and-release fishing. Additionally, if you accidentally hook yourself or your gear, a barbless hook can be removed instantly without the need for surgery or cutting the wire.

What is the best hook for survival fishing?

A medium-sized circle hook, around size 1/0 or 2/0, is often considered the best for survival. Its design allows it to hook fish automatically as they swim away, making it perfect for set lines or trotlines while you focus on other survival tasks. It is also strong enough to hold a variety of species without bending out.

When you're ready to build a more capable outdoor kit, get your BattlBox subscription.