Free Whale Shark Amigurumi Crochet Pattern With Step-by-Step Photos

If you have ever fallen in love with the gentle giants of the ocean, you are going to adore this free whale shark amigurumi crochet pattern. Whale sharks are the largest fish in the sea, yet they are famously calm and filter-feeding creatures that inspire wonder rather than fear. Capturing that peaceful, wide-mouthed magic in yarn form is one of the most rewarding amigurumi projects you can take on, whether you are a seasoned crocheter or someone who has just completed their first stuffed animal.

This pattern is completely free, thoroughly detailed, and designed with step-by-step guidance so that you can follow along confidently from beginning to end. By the time you finish, you will have a squishy, adorable whale shark that makes a perfect toy, nursery decoration, ocean-themed gift, or addition to your sea creature collection. Let’s dive in.

About This Pattern

This whale shark amigurumi is worked almost entirely in continuous rounds using the magic ring method. The finished toy measures approximately 12 inches (30 cm) long and about 5 inches (13 cm) wide, making it a satisfying, huggable size. The spots are embroidered on at the end, so you do not need to manage complicated colorwork mid-round. The whole project typically takes between eight and twelve hours depending on your speed, making it very achievable over a weekend.

Skill Level: Intermediate (comfortable with magic ring, increases, decreases, and basic shaping)

Materials You Will Need

Before you start crocheting, gather everything together so the process feels smooth and uninterrupted.

For yarn, you will need a main color in blue-gray or steel blue, a contrast color in white or off-white for the belly, and a small amount of white for the spot embroidery. The pattern is written for worsted weight yarn (weight 4), which gives the finished toy a nice firm structure when worked at a slightly tighter gauge than the yarn label recommends.

For the hook, use a 3.5 mm (E/4) crochet hook. Going slightly smaller than the standard recommendation for worsted weight creates a tighter fabric that keeps the polyfill stuffing from showing through.

Additional supplies include polyfill stuffing, two 12 mm safety eyes, a yarn needle, scissors, stitch markers, and straight pins for positioning pieces before sewing.

Optional but helpful: a piece of cardboard or a pompom maker trimmed into an oval shape to help you measure and shape the flat belly panel.

Abbreviations Used in This Pattern

This pattern uses standard US crochet terminology throughout.

MR means magic ring. Ch means chain. Sl st means slip stitch. Sc means single crochet. Inc means increase, which is two single crochets worked into the same stitch. Dec means invisible decrease, which is worked by inserting the hook through the front loops only of two consecutive stitches. BLO means back loop only. FLO means front loop only. St means stitch. Rnd means round. Rep means repeat.

Understanding the Whale Shark Shape

Before you begin, it helps to visualize how the pieces come together. The body of the whale shark is worked from the tail end toward the wide, flat head. The distinctive broad mouth of a whale shark is achieved by working a separate upper jaw piece and attaching it to give that slightly squared-off, smiling appearance. The pectoral fins are long and swept back, the dorsal fin sits tall and proud along the spine, and the tail fin has a classic forked shape with one lobe noticeably longer than the other.

The belly panel is worked separately in white and sewn onto the underside of the body to create the two-tone coloring found on real whale sharks. The iconic white spots are added last with a yarn needle, using a simple embroidery stitch that takes about twenty minutes but transforms the entire look of the finished toy.

The Body

Start with your main blue-gray yarn.

Round 1: Make a magic ring, work 6 sc into the ring. (6 sts)

Round 2: Inc in each st around. (12 sts)

Round 3: (Sc 1, inc) repeat around. (18 sts)

Round 4: (Sc 2, inc) repeat around. (24 sts)

Round 5: (Sc 3, inc) repeat around. (30 sts)

Round 6: (Sc 4, inc) repeat around. (36 sts)

Rounds 7–10: Sc in each st around. (36 sts) — These four flat rounds define the narrow tail region.

Round 11: (Sc 5, inc) repeat around. (42 sts)

Rounds 12–14: Sc in each st around. (42 sts)

Round 15: (Sc 6, inc) repeat around. (48 sts)

Rounds 16–19: Sc in each st around. (48 sts)

Round 20: (Sc 7, inc) repeat around. (54 sts)

Rounds 21–24: Sc in each st around. (54 sts)

Round 25: (Sc 8, inc) repeat around. (60 sts)

Rounds 26–30: Sc in each st around. (60 sts)

Round 31: (Sc 9, inc) repeat around. (66 sts)

Rounds 32–34: Sc in each st around. (66 sts)

At this point, begin lightly stuffing the body as you go so it maintains its shape. Do not overstuff yet since you still need to attach the belly panel and continue shaping the head.

Round 35: (Sc 10, inc) repeat around. (72 sts)

Rounds 36–40: Sc in each st around. (72 sts)

Round 41: (Sc 11, inc) repeat around. (78 sts)

Rounds 42–45: Sc in each st around. (78 sts)

Now you are entering the broad head section. The whale shark head is wide and somewhat flattened rather than spherical, so the next rounds continue straight without further increases on the sides but add width at the top.

Rounds 46–52: Sc in each st around. (78 sts)

At Round 52, place your safety eyes. Position them on the sides of the head, approximately 10 stitches back from where you expect the mouth opening to be, and about 8 stitches down from the top center. Secure them firmly.

Rounds 53–56: Sc in each st around. (78 sts)

Round 57: (Sc 11, dec) repeat around. (72 sts)

Round 58: (Sc 10, dec) repeat around. (66 sts)

Round 59: (Sc 9, dec) repeat around. (60 sts)

Round 60: (Sc 8, dec) repeat around. (54 sts)

Finish stuffing the body firmly and evenly. Fasten off, leaving a long tail for closing. Use your yarn needle to sew the opening closed using the invisible close method, weaving the needle through the front loops of each remaining stitch and pulling gently to draw them together.

The Upper Jaw

The upper jaw gives the whale shark its characteristic wide, smiling face. Work this piece in your main blue-gray yarn.

Chain 16.

Row 1: Starting in the 2nd chain from hook, sc across. (15 sts) Turn.

Row 2: Ch 1, inc, sc to last st, inc. (17 sts) Turn.

Row 3: Ch 1, sc across. Turn.

Row 4: Ch 1, inc, sc to last st, inc. (19 sts) Turn.

Rows 5–6: Ch 1, sc across. Turn.

Row 7: Ch 1, inc, sc to last st, inc. (21 sts) Turn.

Rows 8–9: Ch 1, sc across. Do not turn after Row 9. Continue working sc evenly around the entire perimeter of the jaw piece to create a finished edge. Sl st to join and fasten off, leaving a long tail.

Position the jaw at the front of the head, aligning the straight edge (the cast-on row) with the decrease area at the front of the body. Pin it in place and sew securely using the long tail. The jaw should curve slightly so that when viewed from the front, it gives the impression of that happy whale shark grin.

The Belly Panel

Work this piece in white or off-white yarn.

Chain 9.

Row 1: Starting in the 2nd chain from hook, sc across. (8 sts) Turn.

Row 2: Ch 1, inc, sc 6, inc. (10 sts) Turn.

Row 3: Ch 1, sc across. Turn.

Row 4: Ch 1, inc, sc 8, inc. (12 sts) Turn.

Row 5: Ch 1, sc across. Turn.

Continue in this manner, adding one increase at each end every other row, until the panel measures approximately 8 inches long and 5 inches wide at its widest point. You are essentially working a long oval shape. Once you reach the desired width, work several straight rows without increases, then mirror the shaping by decreasing one stitch at each end every other row until the panel tapers back to about 8 stitches.

Fasten off, leaving a long tail. Pin the belly panel to the underside of the body, centering it carefully so that equal amounts of the blue-gray body show on both sides. Sew all the way around using whip stitch or mattress stitch, depending on which you find gives a cleaner seam.

The Pectoral Fins (Make Two)

These are the long, swept-back fins on either side of the body. Work in main color.

Round 1: MR, 6 sc. (6 sts)

Round 2: Inc in each st. (12 sts)

Round 3: (Sc 1, inc) repeat around. (18 sts)

Rounds 4–6: Sc around. (18 sts)

Round 7: (Sc 4, dec) repeat around. (15 sts)

Rounds 8–12: Sc around. (15 sts)

Round 13: (Sc 3, dec) repeat around. (12 sts)

Rounds 14–18: Sc around. (12 sts)

Round 19: (Sc 2, dec) repeat around. (9 sts)

Rounds 20–22: Sc around. (9 sts)

Stuff lightly, just enough to give shape without making the fin rigid. Flatten and close the opening with a few whip stitches. The wider end is the base and will be sewn onto the body. Pin the fins to the sides of the body, roughly one-third of the way back from the front of the head, angling them slightly downward and toward the tail. Sew firmly.

The Dorsal Fin

Chain 14.

Row 1: Starting in the 2nd chain from hook, sc 13. Turn.

Row 2: Ch 1, sc 11, dec. (12 sts) Turn.

Row 3: Ch 1, sc across. Turn.

Row 4: Ch 1, sc 10, dec. (11 sts) Turn.

Row 5: Ch 1, sc across. Turn.

Continue decreasing one stitch at the end of every other row until 6 stitches remain. Work 2 more straight rows. Fasten off. Work a single crochet border around the perimeter, leaving the straight bottom edge open. This open edge is what you sew to the back of the body. Position the dorsal fin along the top center of the body, roughly halfway between the head and the tail. Sew securely.

The Tail Fin (Caudal Fin)

The tail fin has two lobes. The upper lobe is larger than the lower, which is characteristic of the whale shark silhouette.

Upper Lobe: Chain 12. Work back and forth in rows, increasing 1 stitch at the start of every other row until the lobe is about 3 inches at its widest. Work a few straight rows, then fasten off.

Lower Lobe: Work the same way but stop increasing two rows earlier so the lobe ends up about two-thirds the size of the upper lobe.

Sew both lobes together at their narrow ends, then sew the joined piece to the very tip of the tail (the closed end of the body you started with). Position the upper lobe above and the lower lobe below to create that characteristic asymmetric tail shape.

Adding the Spots

This step is completely optional but it is what takes your amigurumi from a generic blue fish to an unmistakably recognizable whale shark.

Thread a yarn needle with white yarn. Work small French knots scattered across the back and sides of the body in a loose, random arrangement. Real whale sharks have white or pale yellow spots and stripes, so aim for an organic scattered look rather than a perfectly geometric grid. Concentrate more spots along the upper back and fewer toward the belly, since this reflects the actual pattern of the real animal.

For French knots, bring the needle up through the fabric, wrap the yarn around the needle two or three times, then insert the needle back through the fabric very close to where it came up and pull through, holding the wraps in place with your thumb until the last moment. Each knot creates one spot.

Aim for roughly thirty to fifty spots across the whole body. Step back and look at your whale shark from a distance every ten spots or so to make sure the distribution looks natural.

Finishing Touches

Weave in all remaining yarn ends thoroughly so nothing can work loose, especially if the toy is intended for a young child. Tug gently on each fin and the jaw to make sure all seams are secure.

If you used safety eyes, double-check that both washers are pressed completely flat against the inside of the fabric. If you are making this toy for a child under three years old, skip the safety eyes and instead embroider the eyes using black yarn, using a large satin stitch to create a filled oval shape.

Give your whale shark a light blocking if you want a neater finish. Simply mist it with water, reshape it with your hands, and allow it to dry flat. This softens the stitches slightly and helps the fins lay naturally.

Sizing and Customization Ideas

One of the most satisfying things about this pattern is how easily it can be resized. If you use bulky weight yarn (weight 6) and a 5.5 mm hook, your whale shark will come out at around 18 inches, making a truly impressive plush toy. If you use fingering weight yarn (weight 1) and a 2.25 mm hook, you can create a tiny whale shark charm just 4 inches long that works beautifully as a keychain or bag tag.

For a more cartoonish look, you can increase the size of the safety eyes and position them more toward the front of the face rather than the sides. For a more realistic interpretation, slightly flatten the finished toy by understuffing it and sewing a few tacking stitches through the body from belly to back to give it that characteristic dorsoventrally flattened silhouette.

Consider making a whole family in different sizes using the same base pattern. A large whale shark surrounded by three or four miniature versions makes a wonderful nursery mobile or mantel display.

Troubleshooting Common Issues

If your stitches look too loose and you can see the stuffing, switch to a hook that is 0.5 mm smaller. If your body is coming out too stiff and inflexible, go up 0.5 mm. Amigurumi gauge matters more than almost any other type of crochet project because an incorrect gauge changes not just the size but the structural integrity of the toy.

If your fins are curling rather than lying flat, try blocking them under a heavy book while they dry after a light spritz of water.

If the jaw seems to gap away from the body, add a few extra anchor stitches along the inner curve of the jaw to tack it firmly against the head.

Pattern Notes for Beginners

If you are newer to amigurumi, the most important habits to develop are marking your first stitch of each round with a stitch marker and moving it up as you go, stuffing gradually as you close up the body rather than all at once at the end, and using the invisible decrease instead of a standard decrease wherever the pattern calls for dec. The invisible decrease makes a dramatic difference to the neatness of the finished surface.

Do not rush the finishing steps. Sewing on the fins, the jaw, and the belly panel with care and patience is what separates a polished finished toy from something that looks a bit rough.