Fly Tying

How to Tie a Simple Green Crab

May 18, 2026 · 3 min read
Sabin PiatekBy Sabin Piatek
Sabin Piatek
Sabin Piatek

Sabin Piatek is a fly fishing and tying expert that is always out on the water. He fishes everything from small creek dry flies to 12" Beast flies ...

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How to Tie a Simple Green Crab

 

Ryan is back to show us how to tie a New England style Green Crab Fly. Green Crabs are abundant in the waters of the Northeast and are a must-have in any Striper box.

 

 

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Local Maine guide and fly tyer Ryan Brod is back with us this week to show us how to tie a simple Green Crab pattern. This pattern is one of many that imitate the invasive shore crabs that are abundant within the marshes and beaches of New England. The Merkin-style body gives this fly a nice, thick profile that will undoubtedly catch the attention of stripers cruising the flats. You can't chase stripers without a couple of these in your box!

We've put together a kit that contains all the materials you need to tie this exact fly pattern.

Click the button below to shop the selection.

Materials:

Hook: Gamakatsu B10s (size 1)

Thread: UNI 6/0 (Chartreuse)

Eyes: Hareline Plain Lead Dumbbell Eyes (X-Large)

Tail: Hareline Strung Saddle Hackle (Tan)

Marabou: Hareline Extra Select Marabou (Olive)

Flash: Hedron Flashabou (Olive)

Body: EP Fibers - 3D (Olive)

Legs: Hareline Medium Grizzly Barred Rubber Legs (Olive)

Step 1 

Black curved hook with matte bead and neon chartreuse tying thread held in vise, fly fishing crab fly tie

Start your thread just behind the hook eye. Secure the XL Hairline Dumbbell Eyes using figure-8 wraps, then lock them down with a few circular wraps underneath.

Step 2

Green-bodied crab fly with brown feather tail and bead eyes secured in vise, green thread and tying scissors visible

Chartreuse crab fly being tied: brown feather tail, neon green body, black bead eyes held in vise, fly tying demo

Wrap thread to the back of the shank. Select 4 equal-length strung saddle feathers. Tie 2 on each side, flaring them out to form the claws.

Step 3

Hands fly-tying a simple green crab fly with chartreuse thread, brown feather tail and black bead eyes on a vise

Tie in 2 strands of Flashabou straight off the back of the hook shank. Trim so they are just shorter than the claw feathers.

Step 4

Hand holding small olive-green crab fly tuft of wispy feather fibers for fly fishing, scissors tip visibleClose-up of a chartreuse simple crab fly with olive marabou tail and bead eyes tied on hook in vise, fly tying

Select a single Olive Hairline Extra Select Marabou feather. Tie it in on the bottom of the shank so approximately 1 inch of fine marabou tips extend toward the back of the fly.

Step 5

Beadhead green crab fly tied with chartreuse thread and olive marabou tail in vise for fly fishingHands tying green crab fly with marabou tail and black bead chain eyes in vise, close-up

Tie in Olive EP Fiber on one side of the shank. Pinch it and fold it over to the other side, tying it down to begin forming the body. Repeat this step 2 more times with the same amount of material.

Do this step 2 more times using the same amount of material and same technique to form the body of the crab.

Tip: Trim the excess and use it for the next tie in point.

Step 6

Hand holding thin olive-green braided tinsel used for fly tying a simple green crab fly on wooden table

Hand tying a simple green crab fly with olive dubbing fibers and black bead eyes in a vise, fly fishing tutorial

Add a single Crabby Leg to your EP Fiber clump and tie it in together, folding both over and securing on the other side of the shank. Repeat this step 3 more times — one Crabby Leg each time — combined with EP Fiber.

Step 7

Close-up fly tying vise holding a simple green crab fly with chartreuse dubbing, olive marabou legs and black bead eyes

After the last crabby leg tie-in, finish the body by repeating Step 5 one more time, just behind the dumbbell eyes.

Step 8

Close-up fly-tying vise holding a simple green crab fly with olive feathers, synthetic dubbing and bead-chain eyes

Bring the thread in front of the dumbbell eyes. Add 2–3 whip finishes, then apply a drop of super glue to the thread wraps for durability.

Step 9

Hands tying a simple green crab fly with olive synthetic dubbing and brown feather legs using a vise and scissors, fly tying

Using your thumb and forefinger, push the EP Fiber and leg materials upward. Use your thumb as a guide and trim the body into a rounded crab profile with scissors.

Step 10

Hand trimming thin chartreuse rubber legs on a simple crab fly with scissors, close-up fly tying for fly fishing

Trim the Crabby Legs to equal length when hanging. Do not leave them too long — excess length can cause fouling during the cast or retrieve.

Step 11

Hand-tied green crab fly with fuzzy olive dubbing body, speckled green rubber legs and black bead eyes held in vise

The Simple Green Crab fly is finished. This fly is deadly on sandy flats and beaches.

 

Sabin Piatek
Written by

Sabin Piatek

Sabin Piatek is a fly fishing and tying expert that is always out on the water. He fishes everything from small creek dry flies to 12" Beast flies off a boat. He has been tying flies for almost a decade and has been tying commericaly for the last 5 years. Sabin always wants to help people improve their fishing and tying knowledge.

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