12 Best Fillet Knife for Saltwater Fish in 2023: Unbiased Reviews

If you have ever purchased saltwater seafood, you know that it is too pricey that losing even a bite would literally hurt.

In that regard, you want to get the best fillet knife for saltwater fish to help you get the most out of your catch.

As the name suggests, this knife is designed to withstand the unforgiving nature of saltwater. Read on if you would like to know how to select one.

Best Fillet Knife for Saltwater Fish

Awesome Saltwater Fillet Knifes: Comparison List

Have you got only a few seconds to spare in research? Here’s a brief list you can conveniently refer to.

1Mercer Culinary Millennia Narrow Fillet Knife13 x 4 x 1 inches5 ounces  
2American Angler PRO Electric Knife14 x 5.5 x 3.8 inches41.6 ounces
3Kershaw Clearwater 9-In Fillet Knife5 x 5 x 5 inches6.4 ounces
4Buck 0220BLS Knives Silver Fishing Knife0.4 x 0.4 x 0.4 inches6.7 ounces
5Victorinox Swiss Army Cutlery Fibrox Pro Boning Knife11.4 x 1.4 x 0.8 inches6.4 ounces
6Morakniv Fishing Comfort Fillet Knife14 x 5 x 1 inches5.6 ounces
7Rapala Heavy Duty Electric Fillet Knife16 x 7 x 3 inches20.8 ounces
8Rada Cutlery Fillet Knife17.5 x 5 x 2.5 inches4 ounces
9Rapala6 Soft Grip Fillet13 x 0.2 x 2 inches7.2 ounces
10DALSTRONG – Gladiator Series17.5 x 4 x 1.4 inches6.5 ounces
11Bubba 9 Inch Flex Fillet Knife19 x 6 x 1 inches12 ounces
12Dexter P94812 Fillet Knife15.3 x 2.5 x 1 inches4.8 ounces

1. Mercer Culinary M23860 Fillet Knife

An ergonomic handle is important especially for knife control. In addition, the handle has a finger guard to prevent accidental cuts.

This fillet knife’s blade is made from the Japanese steel. As such, it is strong and resistant to stains.


  • Stain resistant
  • Ergonomic handle
  • Protective finger guard
  • Strong blade


  • Loses edge fast

2. American Angler PRO Electric Knife

When you want to fillet more yet spend less time, the American Angler PRO electric fillet knife seems like a good idea. This knife uses 110V motor hence said to have more power.

The stainless steel blade is alleged to be strong and corrosion resistant. Moreover, the knife is marketed as compatible with most American Angler blade replacements.


  • Stainless steel blade
  • Serrated edge
  • Sufficient cord length
  • Blade is replaceable


  • The handle heats up

3. KershawCleanwater 9-In Fillet Knife

A non-slip handle on this knife for is likely to provide a secure grip when filleting. In addition, a sheath is included for safe storage and carrying.

The manufacturer claims that the knife is resistant to corrosion since it is made of stainless steel. Some customers have reported that the blade rusted after the first use.


  • Sheath with belt holster
  • Non-slip handle
  • Neon-green identification accents
  • Flexible blade


  • Blade rusts

4. Buck 0220BLS Knives Silver Creek Folding Fishing Knife

In case you have been searching for a sharp knife, you can try out the Buck 0220BLS knife. The blade is said to be sharp and retains its edge for a long time.

The knife can be folded for safe storage. There is a lanyard attached to the handle that you can use to hang for easy reach.


  • Stainless steel blade
  • Foldable for storage
  • Rubber coated handle
  • Resists corrosion


  • Stiff blade

5. Victorinox Swiss Army Boning Knife

As the name suggests, this is a knife designed for boning. The tip is pointed and the edge is straight plus sharp for clean cuts as you fillet your fish.

Even with wet hands, you can still this knife. The handle is said to be non-slip making it seem like a good choice for filleting.


  • Non-slip grip
  • Pointed tip
  • Straight sharp edge
  • Flexible blade


  • Low quality blade

6. Morakniv Fishing Fillet Knife

Morakniv has a plastic sheath for their knife that is slotted. The slots are said to help prevent bad odor from accumulating by allowing sufficient air circulation.

The knife has a stainless steel blade that is supposed to be strong. But customers have reported that the blade snaps easily.


  • Plastic sheath
  • Patterned handle
  • Sharp edge
  • Stainless steel blade


  • Brittle blade

7. Rapala Electric Fillet Knife

Rapala states that their fillet knife is two times faster than other electric knives in the market. This may be attributed to the 110V motor used with this knife.

The length of the power cord is said to be sufficient for working. However, some customers say that the switch on the knife is defective.


  • 8 feet power cord
  • Dishwasher safe
  • 110V motor
  • Comfortable handle


  • Defective switch

8. Rada Cutlery Fillet Knife

Some customers have reported that the knife’s blade is flexible. As such, it works well with the fish and causes no damage on the flesh.

The sharp edge of the knife is said to last for a long time. So the frequent sharpening is unnecessary and you are likely to work efficiently.


  • Rubber handle
  • Flexible blade
  • Leather scabbard
  • Sharp edge


  • Low quality scabbard

9. Rapala4 Soft Grip Fillet Knife

When you need to fillet many fish, your hand can get tired. Try out this Rapala4 knife with a soft molded handle that is said to be comfortable.

Rapala provides a sharpener with their knife. In addition, there is a black sheath for safe storage.


  • Molded textured handle
  • Sharpener included
  • Stainless steel blade
  • Black sheath for storage


  • Unhygienic handle design

10. DALSTRONG Boning Knife-Gladiator Series

With a tapered design, this knife seems suitable for filleting. The knife is said to remove meat from the skin without damage.

As for durability, you can count on this knife as the blade is alleged to resist wear. But you may have to sharpen it frequently as it loses edge fast.


  • Pakkawood handle
  • Wear resistant blade
  • Tapered design
  • Ergonomic handle


  • Requires frequent sharpening

11. Bubba 9 Inch Flex Fillet Knife

Do away with rust and corrosion. Try out the Bubba Flex fillet knife that is Ti-Nitride coated for durability plus corrosion resistance.

The thin blade of this knife is said to be good for filleting. Unfortunately, some customers reported that it snapped under little pressure.


  • Ti-Nitride coated
  • Thin blade
  • Sharp tip
  • Non-slip handle


  • The blade snaps easily

12. Dexter P94812 Fillet Knife

Using high carbon steel to make this knife’s blade is likely to enhance its durability. In addition, the knife is said to have a non-slip handle for control.

The blade on this knife is narrow which seems like a good shape for filleting. But customers say, it is stiff and causes damage to the flesh.


  • Narrow blade
  • Easy to sharpen
  • Slip resistant handle
  • Corrosion resistant


  • Stiff blade

How to Choose a Fillet Knife for Saltwater Fish

You want to consider a few things prior to purchasing your fillet knife. Here are several tips that will help you make the right decision.

  • For obvious reasons, choose a knife made from rust-resistant material such as stainless steel or high carbon steel.
  • Ensure that the knife’s handle is comfortable and of good grip. Traditional wood and rubber are some of the materials to consider when it comes to handles.
  • Small knives work for small fish and vice versa.
  • Get an electric knife if you want a faster job. Manual knives are slower and their cuts are not as precise.
  • Go for a thinner blade because they tend to do a better job at removing bones.

Frequently Asked Questions

The following answered questions may help you get a clearer idea on this topic.

What is the best knife to use for fish?

That would be the fillet knife because it is designed to cut fish and remove bones.

What is the difference between a fillet knife and a boning knife?

A fillet knife is mostly used to remove skin and bones from meat while a boning knife is predominantly used to remove bones from meat.

Best Overall Choice

Mercer Culinary M23860 Fillet Knife is our preferred saltwater fillet knife.  It has a powerful blade which is quite reliable. We also love its ergonomic handle.

Final Thoughts

It is important to determine your needs before purchasing a filleting knife.Ensure that you follow all the tips we have discussed above to get the right product.

There is no reason why you should have trouble filleting your fish with this guide at hand.

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