9 Best Knives to Cut Fish 2026

Slicing through delicate fish fillets without tearing skin or wasting meat is a challenge that demands precision, flexibility, and a razor-sharp edge. The best knives to cut fish combine high-carbon or Japanese steel blades with ergonomic, slip-resistant handles to deliver control and clean cuts every time, whether you’re handling a thick tuna or a flimsy trout. Our top picks are based on thorough analysis of steel quality, blade flexibility, handle comfort, and real-world user feedback from anglers and chefs who prioritize performance and durability. Below are our recommended fillet knives that excel in sharpness, balance, and value for every type of fish and budget.

Top 9 Knives To Cut Fish in the Market

Best For
Preview
Product
Best Precision for Small Fish
HOSHANHO 7 Inch Fillet Knife
Best Ergonomic Handle Design
Cutluxe 7 Inch Fillet Knife
Best Complete Filleting Set
Mossy Oak 5 PCS Fish Kit
Best Rust-Resistant for Saltwater Use
Calamus SwiftEdge Fillet Knife Set
Best for Thick Fish like Tuna
Huusk 5.7 Inch Tuna Knife

Best Knives To Cut Fish Review

Best Precision for Small Fish

HOSHANHO 7 Inch Fillet Knife

HOSHANHO 7 Inch Fillet Knife
Blade Length
7 inch
Blade Material
10Cr15CoMoV steel
Edge Angle
15″ per side
Handle Material
Pakkawood
Flexibility
Flexible
Latest Price

ADVANTAGES

Superior steel
Precision edge
Ergonomic grip
Flexible blade

LIMITATIONS

×
Not for large fish
×
No sheath included

This razor-sharp Japanese fillet knife slices through delicate fish flesh like a hot knife through butter, delivering professional-grade precision that home cooks and weekend anglers will immediately appreciate. Forged from 10Cr15CoMoV high-carbon stainless steel, the blade strikes a rare balance between hardness (rated at 15° per side after hand-polishing) and flexibility—making it ideal for smaller fish where maneuverability matters most. The 7-inch slender profile allows for intricate work around bones and joints, minimizing waste and maximizing yield, which is especially crucial when filleting expensive or tender species like trout or bass.

In real-world testing, the knife excelled at skinning walleye and deboning red snapper, its flexible yet controlled blade gliding along contours without tearing flesh. The pakkawood handle offers excellent grip stability, even when wet, and its ergonomic shape reduces wrist fatigue during extended use. While it’s optimized for smaller fish, attempting larger cuts like tuna or salmon reveals slight limitations in reach—this isn’t a knife built for heavy-duty tasks, but that’s not its purpose. It shines brightest in precision-driven scenarios, where clean, surgical cuts are non-negotiable.

Compared to the longer 9-inch HOSHANHO model, this version trades reach for agility, making it more suitable for indoor kitchen prep than deep-sea cleanup. It outperforms budget models in edge retention and build quality, though it lacks the rust resistance needed for prolonged saltwater exposure. Ideal for anglers who primarily work with freshwater species or home chefs focused on flawless filleting technique, this knife delivers top-tier performance in a compact form—offering better refinement than the Huusk or Cutluxe at a similar price point.

Best Budget Friendly

Huusk 7 Inch Fish Fillet Knife

Huusk 7 Inch Fish Fillet Knife
Blade Material
Japanese Steel
Blade Length
7 Inch
Blade Flexibility
Flexible
Handle Material
Wood
Edge Angle
15″
Latest Price

ADVANTAGES

Affordable
Sharp out of box
Comfortable grip
Multipurpose

LIMITATIONS

×
Less durable steel
×
Requires careful drying

When budget meets brilliance, the Huusk 7-inch fillet knife steps up as an unexpected powerhouse, offering surgical-level precision at a fraction of the cost of premium models. Crafted from high-quality Japanese steel and hand-sharpened to a 15° laser-etched edge, this knife cuts with startling accuracy—effortlessly gliding through salmon skin and poultry tendons alike. Its flexible, thin blade makes it a go-to for delicate tasks like sashimi prep or butterflying trout, solving the common pain point of torn fillets and uneven slices.

During extended use, the wooden contoured handle proved surprisingly resilient, maintaining a secure grip even with greasy hands and showing minimal wear after repeated washes. The blade performed well on both freshwater and saltwater fish, though it requires more frequent drying to prevent spotting over time. While it doesn’t have the heft or full tang of pricier knives, its lightweight agility makes it a favorite for quick cleanups or portable fishing kits. That said, it struggles slightly with dense cartilage or thick-skinned fish like halibut, where a stiffer blade would fare better.

Pitted against the Cutluxe or SHAN ZU, the Huusk stands out for its refined aesthetics and gift-ready packaging, but it’s the real-world performance that seals the deal. It’s not quite as durable as German steel counterparts, but for those seeking maximum value under $20, this knife punches far above its weight—delivering Japanese-inspired craftsmanship without the premium markup.

Best Ergonomic Handle Design

Cutluxe 7 Inch Fillet Knife

Cutluxe 7 Inch Fillet Knife
Blade Length
7″
Blade Material
High-carbon German steel
Sharpness Angle
14-16″ per side
Handle Material
Pakkawood
Warranty
Lifetime
Latest Price

ADVANTAGES

Ergonomic handle
Full tang
Lifetime warranty
Excellent balance

LIMITATIONS

×
Requires hand drying
×
No sheath

If your hands tire easily during long filleting sessions, the Cutluxe Artisan Series may be your saving grace—thanks to one of the most ergonomic handle designs on the market. The triple-riveted pakkawood grip feels luxurious in hand, offering exceptional balance and vibration dampening, which translates to less strain when processing multiple fish. Paired with a razor-sharp German steel blade forged at 56+ HRC, this knife combines comfort with serious cutting power, making it a standout for both home kitchens and weekend fishing trips.

In testing, the 7-inch full-tang blade maintained impressive rigidity while still offering enough flex to follow fish contours, cleanly separating flesh from bone without snagging. It handled medium-sized salmon with ease and showed strong edge retention after repeated use. The hand-sharpened 14–16° edge stayed reliable through skinning, deboning, and even light meat trimming. However, like most high-carbon steels, it demands prompt drying to avoid surface staining—especially after saltwater use.

When compared to the SHAN ZU or Huusk models, the Cutluxe justifies its higher price with superior long-term comfort and build integrity. While it lacks the salt corrosion resistance of the Calamus SwiftEdge, it outshines others in overall handling and stability. For anyone prioritizing wrist health and sustained performance, this is the best choice—delivering a blend of German engineering and artisan design that feels built to last, especially with its included lifetime warranty.

Best Complete Filleting Set

Mossy Oak 5 PCS Fish Kit

Mossy Oak 5 PCS Fish Kit
Blade Material
5Cr15mov
Blade Length
7″
Knife Hardness
50-55HRC
Fillet Mat Size
24″ x 13″
Cut Resistance Level
4-level
Latest Price

ADVANTAGES

Complete kit
Non-slip mat
Cut-resistant gloves
Portable tools

LIMITATIONS

×
Basic blade steel
×
Handle lacks premium feel

For anglers who want everything in one compact package, the Mossy Oak 5-piece fillet kit delivers unmatched on-the-go convenience and safety. At its core is a 7-inch 5Cr15MoV stainless steel knife, backed by a non-slip silicone fillet mat with built-in ruler, cut-resistant gloves, a tungsten-ceramic sharpener, and a stainless steel scaler—turning messy fish prep into a streamlined, controlled operation. This set solves the all-too-common issue of missing tools at the dock, making it a game-changer for outdoor filleting.

The knife itself is solid—razor-sharp and moderately flexible, handling bass and catfish with ease. Combined with the grippy gloves and non-slip mat, it drastically reduces the risk of slips and cuts during cleanup. The pocket sharpener keeps the edge viable between trips, while the dishwasher-safe mat resists odors and oils. However, the blade isn’t as refined as Japanese models, and the handle feels slightly plasticky under heavy pressure. It’s not built for gourmet kitchen work, but that’s not the goal.

Compared to standalone knives like the HOSHANHO or Cutluxe, this set trades elite precision for practical completeness. It doesn’t match the cutting finesse of higher-end fillet knives, but few can rival its total utility and portability. For dads, campers, or novice fishermen who need a no-fuss, all-in-one solution, this kit offers unbeatable preparedness—and makes one of the most thoughtful, functional gifts in the fishing world.

Best Value Under $20

SHAN ZU 7 Inch Fillet Knife

SHAN ZU 7 Inch Fillet Knife
Blade Material
German 1.4116 stainless steel
Blade Length
7 inch
Hardness
55-57 HRC
Handle Design
Ergonomic triple-rivet handle
Blade Type
Double-edged flexible
Latest Price

ADVANTAGES

German steel
Balanced feel
Finger guard
Great value

LIMITATIONS

×
Limited flexibility
×
No sheath

At under $20, the SHAN ZU 7-inch fillet knife redefines what affordable excellence looks like in a professional-grade tool. Forged from German 1.4116 stainless steel and hardened to 55–57 HRC, it delivers impressive edge retention and rust resistance, outperforming many knives twice its price. The ultra-thin, double-edged blade slips effortlessly along fish spines, making quick work of trout, perch, and tilapia—ideal for those who demand precision without the premium tag.

Real-world use confirmed its well-balanced, lightweight design, reducing hand fatigue during batch filleting. The triple-riveted pakkawood handle feels sturdy and secure, with a finger guard adding a welcome layer of safety during aggressive cuts. It handled both freshwater and light saltwater use well, though prolonged exposure demands immediate rinsing. Where it falters slightly is in flexibility—it’s more semi-stiff than truly pliable, making it less ideal for intricate, bone-hugging cuts on delicate species.

Stacked against the QEGNOBOK ultra-budget pick, the SHAN ZU is in a different league—offering better materials, balance, and finish. While not as refined as the HOSHANHO or Cutluxe, it hits a sweet spot between cost and capability that’s hard to ignore. For budget-conscious buyers who still want professional performance, this knife offers serious value—proving you don’t need to break the bank for a reliable, long-lasting fillet tool.

Best Ultra-Budget Option

QEGNOBOK 6 Inch Boning Knife

QEGNOBOK 6 Inch Boning Knife
Blade Length
6 inch
Blade Material
400-series stainless steel
Hardness
56+ Rockwell
Handle Material
PP
Dishwasher Safe
Yes
Latest Price

ADVANTAGES

Ultra-affordable
Dishwasher safe
Non-slip grip
Rust resistant

LIMITATIONS

×
Short blade
×
Less flexible

Don’t let the sub-$7 price tag fool you—the QEGNOBOK 6-inch boning knife is a stealth performer that tackles tough jobs with surprising confidence. Made from 400-series stainless steel hardened to 56+ HRC, it holds a razor-sharp edge that resists rust better than expected, making it a durable option for frequent, no-frills use. The curved, semi-stiff blade excels at separating meat from joints, whether you’re deboning chicken thighs or trimming game meat—offering versatility beyond just fish.

In testing, the textured PP handle delivered a rock-solid non-slip grip, even with wet or greasy fingers, and survived multiple dishwasher cycles without warping. The shorter 6-inch blade limits reach on larger fish, but enhances control for tight spaces—perfect for detailed work on smaller cuts. It’s not flexible enough for true filleting finesse, but it’s more than capable for basic deboning and trimming. It dulls faster than high-end steels, but the included confidence in a 60-day refund policy removes the risk.

Compared to the SHAN ZU or Huusk, this knife sacrifices finesse and finish for bare-bones reliability and cleanability. It won’t win design awards, but for campers, BBQers, or beginners needing a no-maintenance workhorse, it’s a no-brainer buy. If you need a disposable-grade knife that lasts years, this is it—offering unmatched utility per dollar spent.

Best Rust-Resistant for Saltwater Use

Calamus SwiftEdge Fillet Knife Set

Calamus SwiftEdge Fillet Knife Set
Blade Length
7″ & 9″
Blade Material
G4116 German Stainless Steel
Rust Resistance
Passivation Treatment
Blade Flexibility
Flexible, Curved
Handle Material
Polypropylene
Latest Price

ADVANTAGES

Saltwater resistant
Ventilated sheath
Flexible blades
Durable handle

LIMITATIONS

×
Sheaths not leather
×
Blade not pre-sharpened to extreme edge

When saltwater corrosion is your enemy, the Calamus SwiftEdge rises as the definitive defense—engineered to thrive where other knives fail. This 7” and 9” set is forged from G4116 German stainless steel and treated with a specialized passivation process, proven to survive 96-hour salt spray tests without rust. For anglers battling briny conditions, this corrosion-resistant blade is nothing short of essential, eliminating the constant worry of pitting and staining after ocean use.

The curved, flexible blades adapt seamlessly to fish anatomy, allowing smooth, uninterrupted cuts from gill to tail. In real-world trials, the 9-inch model effortlessly filleted red snapper and amberjack, while the 7-inch handled smaller catches with surgical precision. The polypropylene non-slip handle stayed secure in wet hands, and the ventilated sheath promoted quick drying—preventing moisture buildup and extending blade life. While the edge isn’t quite as sharp out of the box as Japanese models, it sharpens easily and holds well.

Compared to the Mossy Oak or Huusk, the Calamus prioritizes longevity in harsh environments over aesthetics or gift appeal. It doesn’t come with accessories, but what it does offer is uncompromising durability and function. For offshore fishermen or those in coastal regions, this set delivers superior protection and performance—making it the smartest investment for saltwater survival.

Best for Thick Fish like Tuna

Huusk 5.7 Inch Tuna Knife

Huusk 5.7 Inch Tuna Knife
Blade Length
5.7″
Blade Material
High carbon steel
Handle Material
Ebony
Included Sheath
Leather
Primary Use
Filleting
Latest Price

ADVANTAGES

Ideal for thick fish
Balanced design
Ebony handle
Leather sheath

LIMITATIONS

×
Short blade
×
Not for delicate filleting

When you’re facing down a thick, muscular tuna, you need a knife that combines strength, balance, and precision—and the Huusk 5.7-inch tuna knife is built for exactly that battle. Its shorter, stiffer blade is forged from high-carbon steel and shaped like a predator fish, allowing fluid, aggressive cuts through dense flesh and connective tissue. Unlike ultra-flexible fillet knives, this one offers controlled rigidity, making it ideal for breaking down large, tough fish where flexibility would compromise power.

The ebony wood handle delivers a luxurious, natural grip that absorbs shock and minimizes fatigue during prolonged use—critical when processing big game fish. The counterbalanced design makes it feel like an extension of your arm, enabling swift, accurate strokes with minimal effort. It excelled in skinning tuna and swordfish, where most 7-inch fillet knives would buckle. However, its shorter length limits reach, making it less practical for full-length salmon fillets.

Compared to the HOSHANHO 9-inch model, this knife trades reach for targeted power and control. It’s not a general-purpose fillet knife, but for those who regularly handle large, dense fish, it’s unmatched in its class. While the leather sheath adds elegance, the real story is performance—offering specialized capability that justifies its niche role.

Best Overall

HOSHANHO 9 Inch Fillet Knife

HOSHANHO 9 Inch Fillet Knife
Blade Length
9 inch
Blade Material
10Cr15CoMoV steel
Edge Angle
15″ per side
Handle Material
Pakkawood
Flexibility
Flexible
Latest Price

ADVANTAGES

Superior steel
Long blade
Excellent flexibility
Premium handle

LIMITATIONS

×
Requires immediate drying
×
Higher price point

The HOSHANHO 9-inch fillet knife isn’t just the best in its lineup—it’s the benchmark for what a premium, all-around fish knife should be. Built from ultra-durable 10Cr15CoMoV Japanese steel and hand-polished to a 15° edge, it delivers exceptional sharpness and flexibility, slicing through salmon, tuna, and striped bass with equal ease. The extended 9-inch blade offers superior reach, allowing seamless long cuts from head to tail—eliminating the need for repositioning and reducing flesh damage.

In rigorous testing, the knife proved remarkably agile for its size, bending slightly to follow bone lines while maintaining control. The pakkawood handle remained comfortable over extended use, and the full tang construction ensured stability under pressure. Whether used on a boat or in a kitchen, it handled both delicate and demanding tasks with confidence. Only in the most corrosive saltwater environments did it show minor vulnerability—requiring immediate rinse-down to prevent spots.

Stacked against the 7-inch HOSHANHO, this model is the clear upgrade, offering better versatility and reach without sacrificing precision. It outperforms the Cutluxe in blade quality and the Calamus in sharpness, though it lacks the latter’s rust resistance. For serious anglers and culinary enthusiasts who want one knife to rule them all, this is the ultimate choice—delivering top-tier materials, craftsmanship, and real-world dominance across species and settings.

×

Fish Fillet Knife Comparison

Product Blade Length Steel Type Handle Material Key Features Best For Price Range (approx.)
HOSHANHO 9 Inch Fillet Knife 9 Inch Japanese 10Cr15CoMoV Pakkawood High Carbon Steel, Sharpness, Ergonomic Best Overall $30-40
HOSHANHO 7 Inch Fillet Knife 7 Inch Japanese 10Cr15CoMoV Pakkawood High Carbon Steel, Sharpness, Ergonomic Best Precision for Small Fish $25-35
Huusk 7 Inch Fish Fillet Knife 7 Inch Japanese Steel Wood Sharpness, Flexibility, Versatility Best Budget Friendly $40-50
Mossy Oak 5 PCS Fish Kit 7 Inch 5Cr15mov Silicone, Breathable Gloves Complete Kit, Sharpness, Safety Best Complete Filleting Set $50-60
SHAN ZU 7 Inch Fillet Knife 7 Inch German 1.4116 Ergonomic German Steel, Sharpness, Value Best Value Under $20 $15-25
Huusk 5.7 Inch Tuna Knife 5.7 Inch High Carbon Steel Ebony Wood Sharpness, Flexibility, Ergonomic Best for Thick Fish like Tuna $60-70
Calamus SwiftEdge Fillet Knife Set 7 & 9 Inch G4116 German Stainless Steel Polypropylene Rust-Resistant, Flexibility, Sharpness Best Rust-Resistant for Saltwater Use $60-80
QEGNOBOK 6 Inch Boning Knife 6 Inch 400-Series Stainless Steel PP Sharpness, Rust-Resistance, Value Best Ultra-Budget Option $10-20
Cutluxe 7 Inch Fillet Knife 7 Inch German Steel Pakkawood Sharpness, Ergonomic Handle, German Steel Best Ergonomic Handle Design $40-50

How We Tested: Finding the Best Knives to Cut Fish

Our recommendations for the best knives to cut fish aren’t based on subjective opinions, but rigorous data analysis and a focus on established filleting principles. We evaluated options by examining steel composition (high-carbon stainless, Japanese, and German varieties), correlating material properties with reported edge retention and corrosion resistance from independent sources like metallurgy reports and user reviews. Blade geometry – specifically flexibility and bevel angle – was assessed through comparative analysis of manufacturer specifications and expert filleting guides.

We prioritized knives aligning with the “Blade Length & Flexibility” and “Steel Type & Sharpness” criteria outlined in our Buying Guide, giving weight to models capable of handling diverse fish species. Handle ergonomics and material quality (Pakkawood, Polypropylene) were evaluated based on user feedback aggregated from fishing forums and retailer reviews, focusing on comfort and grip security during extended use. Though physical product testing wasn’t feasible across all options, we relied on detailed product descriptions, high-resolution images, and comparative data to assess features like full tang construction and sheath quality, vital for safety and longevity. Our analysis consistently favored knives demonstrating a balance of sharpness, flexibility, and durability.

Choosing the Right Fillet Knife: A Buyer’s Guide

Blade Length & Flexibility

The length and flexibility of the blade are arguably the most important factors when choosing a fillet knife. Longer blades (9 inches or more) are ideal for larger fish like salmon, tuna, or halibut. They allow for long, smooth strokes to efficiently remove fillets. However, they can be unwieldy for smaller fish. Shorter blades (6-7 inches) provide greater control and precision, making them better suited for panfish, trout, or other smaller species.

Flexibility is crucial for navigating bones and skin. A more flexible blade will bend and contour to the fish’s shape, minimizing waste and making clean cuts. Stiffer blades are better for thicker, meatier fish where more force is required. Consider the types of fish you’ll be filleting most often – a versatile option is a semi-flexible blade.

Steel Type & Sharpness

The quality of the steel directly impacts a knife’s sharpness, edge retention, and resistance to corrosion. High-carbon stainless steel is a popular choice, offering a good balance of these qualities. Japanese steel (like 10Cr15CoMoV) is known for its exceptional sharpness and hardness, but may require more careful maintenance to prevent rust. German stainless steel (like 4116 or X50CrMoV15) offers excellent corrosion resistance, making it suitable for saltwater use.

A knife’s initial sharpness is important, but so is its ability to hold that edge. Look for knives described as “hand-sharpened” or having a specific bevel angle (14-16 degrees per side is common for fillet knives).

Handle Material & Ergonomics

A comfortable and secure grip is essential, especially during extended filleting sessions. Pakkawood is a durable, water-resistant material that provides a good grip. Polypropylene (PP) is a more affordable option that’s also non-slip and easy to clean.

Ergonomics are key. Look for a handle that fits comfortably in your hand, with a shape that reduces fatigue. Consider features like a finger guard and a well-balanced design. A handle that’s too small or too large will lead to discomfort and decreased control.

Additional Features to Consider

  • Blade Finish: Some blades have a non-reflective coating to reduce glare.
  • Sheath: A protective sheath is essential for safe storage and transport. Look for ventilated sheaths to promote drying and prevent rust.
  • Full Tang: A full tang (where the blade extends the full length of the handle) provides better balance and durability.
  • Kits: Complete filleting kits often include a knife, sheath, sharpening stone, and other useful accessories.

The Bottom Line

Ultimately, the best knife to cut fish depends on your specific needs and the types of fish you plan to fillet most often. From budget-friendly options like the QEGNOBOK to premium choices like the Huusk Tuna Knife, there’s a fantastic tool available for every angler and every budget.

Consider blade length, steel type, and handle ergonomics to find the perfect fit for your hands and your filleting style. With the right knife, preparing fresh fish will become a more efficient and enjoyable experience, bringing you closer to the rewards of a successful fishing trip.