How to Fillet a Salmon

To fillet a salmon, place the cleaned fish on a stable cutting board, cut behind the gill plate until the knife reaches the backbone, then turn the blade toward the tail and follow the skeleton to remove the first side. Repeat on the other side, remove the rib bones, pull the pin bones, and trim or skin each fillet as desired.

A sharp, narrow fillet knife makes the work easier because its blade can follow the salmon’s backbone and curved rib cage. Control matters more than speed. Keep the fish cold, dry its surface thoroughly, and use deliberate strokes that stay close to the bones.

A narrow blade with suitable flexibility makes it easier to follow the skeleton without forcing the cut. Compare fillet knives for fish preparation if your current knife is too broad or difficult to control.

Tools and Preparation

A sharp fillet knife with a flexible or semi-flexible blade
A large, stable cutting board
A damp kitchen towel or nonslip mat for the board
Clean kitchen towels or paper towels
Fish-bone tweezers or clean needle-nose pliers
A container for the head, bones, and trimmings
A scaling tool or sturdy spoon if the skin still has scales

A typical chef’s knife can make the initial cut behind the head, but its wide, relatively rigid blade is less suited to tracing the backbone and rib cage. A boning knife can work if it is narrow enough to maneuver around the skeleton. Serrated knives tend to tear the flesh and offer poor control for this task.

Traditional Japanese fish preparation may use a deba knife. Its substantial geometry and technique differ from the flexible-blade method here, so do not treat the tools as direct substitutes.

Powered equipment requires a different operating technique. These electric fillet knives are an optional category to assess, not a shortcut that removes the need for control.

Place a damp towel beneath the cutting board so it cannot slide. Keep the knife handle, fish, and your hands dry enough to maintain a secure grip. Leave enough open space around the board for the knife to travel without striking dishes or other objects.

Start With a Gutted Salmon

The procedure below assumes that the salmon has been gutted and the body cavity is clean. A fishmonger can usually perform this step. If the fish still contains its organs, remove them before filleting while keeping the knife tip shallow to avoid puncturing the viscera. Clean and sanitize the work area afterward.

Keep the salmon refrigerated until the work area is ready. Fillet it promptly rather than leaving it at room temperature. Pat the exterior and cavity dry before cutting because a wet fish is harder to control.

Scale the Skin if You Plan to Eat It

If the skin will remain on the fillets and may be served, check it for scales. Hold the tail firmly and scrape from tail to head with a fish scaler or sturdy spoon. Use short strokes and contain the loose scales as much as possible.

Scaling is unnecessary if you plan to remove and discard the skin. Some store-bought salmon has already been scaled, but check by rubbing a fingertip gently from tail toward head. Rough, raised patches indicate scales remain.

How to Fillet a Whole Salmon Step by Step

Position the salmon. Lay the fish on its side with the backbone parallel to the long edge of the cutting board. For a right-handed person, placing the head to the left usually allows the first long cut to travel comfortably toward the right. Reverse the position if that provides better control.
Cut behind the gill plate. Lift the pectoral fin and place the knife immediately behind the gill cover. Angle the blade slightly toward the head to preserve more meat near the collar. Cut down until the blade reaches the backbone, but do not force it through the spine.
Turn the blade toward the tail. Once the knife contacts the backbone, rotate it so the blade lies nearly parallel to the cutting board. The cutting edge should point toward the tail.
Follow the backbone. Use long, smooth strokes toward the tail while keeping the blade close to the skeleton. Gently lift the separating fillet with your free hand, keeping that hand above and away from the cutting path. Let the rib cage and backbone guide the blade rather than pressing hard through resistance.
Release the first fillet. Continue through the narrow tail section until the fillet separates. Place it skin-side down on a clean area of the board or on a separate tray.
Remove the second side. Turn the remaining fish over. Make another cut behind the gill plate, contact the backbone, and guide the blade toward the tail. The carcass is less stable after the first fillet is removed, so slow down and keep the supporting hand clear of the edge.
Cut away the rib bones. Place one fillet skin-side down. The ribs form a curved sheet of bones along the belly side. Starting near the backbone edge, slide the knife beneath the rib cage and make shallow strokes toward the belly. Angle the blade slightly toward the bones to limit the amount of flesh removed.
Remove the pin bones. Run clean fingertips lightly across the thick center portion of the fillet to locate the fine bone tips. Grasp each bone with fish-bone tweezers and pull in the direction it naturally points. Pulling along its entry path reduces tearing.
Trim the fillets. Cut away loose fins, ragged edges, blood-stained tissue, and thin belly membrane as needed. Trimming is partly a matter of presentation and intended portion size. Avoid removing firm, usable flesh solely to create a perfectly straight outline.
Leave the skin on or remove it. Skin-on fillets are ready to portion after trimming. For skinless salmon, use the method described below.

How to Remove Salmon Skin

Skin the fillet after removing the ribs and pin bones. A dry tail end and a sharp blade provide better control.

Place the fillet skin-side down with the tail end facing your knife hand.
Cut into the flesh near the tail until the blade reaches the skin. Stop before cutting through it, leaving a small tab that can be gripped.
Hold the skin tab with a dry towel for traction. Keep your fingers behind the blade.
Turn the knife nearly parallel to the board, with its edge angled very slightly toward the skin.
Pull the skin taut while advancing the knife with controlled strokes. The blade should travel between the flesh and skin without being directed upward into the fillet.

If substantial flesh remains on the skin, the knife angle was probably too steep or the skin was not held taut. Flatten the blade and let tension in the skin help separate the layers.

How to Improve Yield and Produce Cleaner Fillets

Keep the Blade Against the Skeleton

The backbone and ribs provide a physical guide. Small gaps between the blade and bones leave meat on the carcass. Excess pressure creates a different problem by driving the edge through bones or into the fillet. Light contact and repeated smooth strokes usually produce a cleaner result.

Use Blade Length Rather Than Short Sawing Motions

Long strokes make smoother cut surfaces and reduce tearing. Short strokes can still help around the head, collar, and rib cage, where the anatomy curves sharply. Use the motion that keeps the edge controlled and visible.

Do Not Pull Hard on the Fillet

Gentle lifting exposes the cutting line. Pulling forcefully can tear soft flesh, particularly near the belly. If the fillet will not lift, look for a membrane, rib, or uncut section instead of applying more force.

Sharpen a Dull Knife Before Starting

A dull edge requires extra pressure and tends to slip across skin or crush the flesh. Sharpening restores the cutting edge by removing metal. A honing tool may maintain or refine some edges, depending on its abrasive properties, but it cannot repair every dull or damaged knife.

Common Problems While Filleting Salmon

The Knife Keeps Cutting Into the Backbone

The blade may be angled too sharply downward. Flatten it so its side follows the backbone. A very flexible blade can bend into the skeleton under heavy pressure, so lighten your grip and let the edge do the cutting.

Too Much Meat Is Left on the Carcass

This often happens around the collar, dorsal area, and tail. Begin the head cut directly behind the gill plate, angle toward the head, and maintain light contact with the backbone during the long cut. Meat remaining on a clean, properly chilled carcass can also be scraped or cooked for stock, patties, or other suitable preparations.

The Flesh Tears Near the Belly

The belly is thinner and more delicate than the upper portion of the fillet. Support it while removing the ribs, use a shallow blade angle, and avoid tugging on connective tissue. A dry, cold fillet is usually easier to trim than a warm or wet one.

Pin Bones Break During Removal

Grip each bone as close to the flesh as possible and pull along its natural angle. Pulling straight upward can break a bone or create a larger hole. If a tip snaps below the surface, locate it by touch and grasp it again without digging aggressively into the flesh.

For the pin-bone stage, compare fish-bone tweezers by grip and tip layout, and pull each bone deliberately rather than tearing the flesh.

Knife and Food Safety

Keep the cutting board stable and the floor around the work area dry.
Cut away from your supporting hand, and never place that hand beneath a fillet while the knife is moving.
Do not attempt to catch a falling knife.
Place the knife in a visible, secure location during pauses. Never leave it hidden in a sink or beneath towels.
Keep raw salmon separate from ready-to-eat food.
Wash the knife, board, tweezers, and surrounding surfaces with hot, soapy water after use, then dry the knife promptly.
Refrigerate the finished fillets promptly in a covered container.

A cut-resistant glove can add a layer of protection and improve grip, but it cannot prevent every puncture or cut. Safe hand placement and controlled knife movement remain necessary.

Using the Head, Frame, and Trimmings

A carefully filleted frame still carries small amounts of flesh between the bones. The head, collar, backbone, and sound trimmings can be reserved for stock or other cooked preparations if they have remained clean and properly chilled. Remove the gills before using the head for stock because they can contribute undesirable flavors.

Discard any material that has been contaminated during handling. Wrap fish waste before disposal and clean the work area promptly to control odors and cross-contamination.

Frequently Asked Questions

Should Salmon Be Filleted From the Head or Tail?

Both methods are possible, but starting behind the gill plate and cutting toward the tail gives a clear path along the backbone and preserves the collar for separate use. Some experienced cutters begin at the tail. The better method is the one that provides secure hand placement and consistent blade control.

Can You Fillet a Salmon With a Chef’s Knife?

Yes, though a chef’s knife is less maneuverable around the curved ribs and may remove more flesh with the bones. A narrow boning or fillet knife generally follows the skeleton more closely. Regardless of style, the knife must be sharp and comfortable to control.

For a smaller blade sometimes used on both meat and fish, the boning-versus-fillet comparison explains the relevant profile and flexibility differences.

Should You Remove Salmon Skin Before Cooking?

That depends on the recipe. Skin can help hold portions together and may become crisp through suitable cooking methods. Skinless fillets are convenient for preparations where skin would be undesirable. If removing it, skin the whole fillet before cutting individual portions.

Can You Fillet Salmon While It Is Frozen?

A fully frozen salmon is difficult to control and can damage an ordinary kitchen knife. Thaw it safely in the refrigerator until the flesh is pliable while remaining cold. A slightly firm, well-chilled fish is easier to cut cleanly than one that has become warm and soft.

Does Filleting Make Salmon Safe to Eat Raw?

No. Removing the bones and skin does not address parasites, pathogens, or handling contamination. Salmon intended for raw consumption requires appropriate sourcing, handling, and any applicable freezing controls. Filleting skill alone does not establish raw-food safety.

Clean salmon fillets come from three basic practices: stabilize the fish, keep a sharp blade close to the skeleton, and use controlled strokes around the ribs and pin bones. Work slowly on the first few fish, keep your supporting hand out of the cutting path, and trim only after both sides have been removed.