What size will the finished piece be?

The finished mermaid measures approximately 25-28 cm tall depending on yarn tension and tail shaping; the jellyfish is about 6-8 cm tall using the recommended yarn and hook.

Can I make the mermaid without wire?

Yes, you can omit the electrical wire and stuff the neck and arms; however, the wire provides added support and posability for the head and arms.

Do I need advanced crochet skills to follow this pattern?

This pattern is rated intermediate: basic amigurumi experience is recommended, including continuous rounds, increases/decreases, BLO/FLO, and simple assembly techniques.

How long does this project typically take to complete?

Most crafters complete the mermaid and jellyfish set in about 12-15 hours, though time will vary with experience and how many details you add.

Mermaid and Jellyfish Amigurumi Pattern

Switch Things Up

I love how easy it is to customize this pattern by swapping colors; try pastel shades for a soft, whimsical mermaid or bright neons for a playful look.

You can make the doll smaller or larger by using a thinner or thicker yarn and adjusting the hook size — a smaller hook creates a dense mini version, while bulky yarn gives a chunky cuddly mermaid.

I often add embroidered freckles or a tiny mouth to change the expression and personality of the doll; experiment with eye placement to get the look you want.

Try different hair options: use yarn loops for long flowy hair, make fewer but thicker strands for a bob, or braid and style the strands into updos for variety.

For a posable version, insert wire into the arms and torso; you can also use pipe cleaners for a quick, safer option for childrens toys.

Personalize accessories: crochet small shells, starfish, or a tiny trinket for the mermaid to hold; the jellyfish can be made in gradient colors for a magical effect.

Swap the bra design or add a tiny skirt to change the outfit; you can also design seasonal accessories like a Santa hat or a flower crown.

I sometimes make a set of mermaids with matching jellyfish to create a little family — vary hair colors and tail shades to tell a story.

If you plan to sell finished dolls, consider adding a removable outfit or small sewn tag with care instructions and your maker name for a professional touch.

Don’t be afraid to mix yarn textures; cotton gives crisp detail while a soft acrylic blend makes the doll plush and cuddly — both look great depending on your preference.

Mermaid and Jellyfish Amigurumi Pattern

Make an adorable mermaid with a matching jellyfish friend using this complete crochet pattern. Youll follow clear round-by-round instructions, detailed photos, and helpful tips to assemble the doll, hair, tail, and tiny jellyfish. This pattern includes materials list, abbreviations, and wiring advice so your mermaid stays posed and beautiful. Perfect for gifting or keeping as a handmade keepsake.

Intermediate 12-15 Hours

Materials Needed for Mermaid and Jellyfish Amigurumi Pattern

— Main Fabric

01
1 ball of each yarn ball is sufficient.
02
Gazzal baby cotton 3469 (skin) 50 g 165 m (%60 cotton %40 acrylic)
03
Gazzal baby cotton 3467 (dark green tail) - 1 ball
04
Anchor baby pure cotton 00272 (light green tail) 50 g 165 m (%100 cotton)
05
Gazzal baby cotton 3414 (purple for bra and jellyfish) - 1 ball
06
Gazzal baby cotton 3461 (dark pink for jellyfish tentacles) - 1 ball
07
Gazzal baby cotton 3439 (red hair) - 1 ball
08
Kartopu cotton love K768 (pink tail) - for pink mermaid option
09
Gazzal baby cotton 3448 (green for hair) - 1 ball
10
Kartopu organica K494 (for jellyfish) - 1 ball
11
Very little light yellow for bra (small amount for detail)

— Tools Required

01
Crochet hook size 2.00 mm
02
2.5 mm electrical wire (optional) to support the head and to make arms posable
03
Fiber filler / polyester stuffing
04
8 mm black safety eyes (for mermaid)
05
6 mm black safety eyes (for jellyfish)
06
Piece of white and black embroidery floss to embroider the eyes and nose
07
Scissors
08
Yarn needle for sewing
09
Stitch markers
10
Pins for assembly
11
Auxiliary tools such as pliers, fiber tweezers, long needle

Progress Tracker

0% Complete

— Arm :

Info :

I did not fill it because I used electrical wire. fill fiberfill every 5 rowsturns if you are not going to use it.

Round 1 :

5 sc in a magic ring (5)

Round 2 :

5 inc (10)

Round 3 :

10 sc (10)

Round 4 :

10 sc (10)

Round 5 :

10 sc (10)

Round 6 :

Bobble-3 dc (After making the bobble, switch to the side stitch without making a chain), 9 sc (10)

Round 7 :

10sc (10)

Round 8 :

(1dec 3sc)* 2 repeat times (8)

Round 9 :

8 sc (8)

Round 10 :

(1inc 3 sc)* 2 repeat times (10)

Round 11-19 :

10 sc (9 row) (10)

Round 20 :

(1 dec 3sc)* 2 repeat times (8)

Round 21 :

(1inc 3sc)* 2 repeat times (10)

Round 22-32 :

10 sc (11 row) (10) (sew the last remaining loop into the loop next to it with the help of a needle.)

— Head :

Round 1 :

6 sc in a magic ring (6)

Round 2 :

6 inc (12)

Round 3 :

(1sc 1 inc)*6 repeat times (18)

Round 4 :

(2sc 1inc)* 6 repeat times (24)

Round 5 :

(1sc 1 inc), (3sc 1 inc)*5 repeat times, 2sc (30)

Round 6 :

(4sc 1inc)* 6 repeat times (36)

Round 7 :

(2sc 1inc), (5 sc 1 inc)*5 repeat times, 3sc (42)

Round 8 :

(6sc 1 inc) *6 repeat times (48)

Round 9 :

(3sc 1inc), (7sc 1 inc)* 5 repeat times, 4sc (54)

Round 10 :

(8sc 1inc)*6 repeat times (60)

Round 11-24 :

60 sc (14row) (60)

Info :

Place 8 mm safety lock eyes 9sc apart between 17th and 18th rounds.

Round 25 :

(8sc 1dec)*6 repeat times (54)

Round 26 :

(3sc 1dec), (7sc 1dec)*5 repeat times, 4sc (48)

Round 27 :

(6sc 1dec)*6 repeat times (42)

Round 28 :

(2sc 1dec)* 10 repeat times, 2 sc (32) (start adding fiberfill)

Round 29 :

(1dec 2sc)* 8 repeat times (24)

Round 30 :

(2sc 1dec)* 6 repeat times (18)

Round 31 :

(1sc 1dec)* 6 repeat times (12) cut the yarn long to sew

Info :

see pictures to embroider eyelashes and nose

— Hair :

Info :

HAIR BASE - Red color or green color

Round 1 :

6 sc in magic ring (6)

Round 2 :

6inc (12)

Round 3 :

as BLO (1sc 1inc)* 6 repeat times (18)

Round 4 :

18 inc (36)

Round 5 :

as BLO ( (5sc 1 inc)*6 repeat times (42)

Round 6 :

(6sc 1inc)*6 repeat times (48)

Info :

Continue without cutting the yarn

Item Name (P1) :

HAIR STRAND.1 (24 hair strands) Hair strand 1-24) 62 ch. from the 3rd chain, 60 hdc , fasten into new loop with slip stitch,1 sc switch to new loop, and start new strand of hair. Continue this process until you have 24 hair strands and cut the yarn

Item Name (P1) :

HAIR STRAND.2 (18 hair strands) Hair strands 1-18) Go back to round 5 at the base of the hair and attach the yarn as the FLO, 62 ch. from the 3rd chain, 60 hdc , fasten into new loop with slip stitch,1 sc switch to new loop, and start new strand of hair. Continue this process until you have 18 hair strands and cut the yarn

Item Name (P1) :

HAIR STRAND.3 (6 hair strands) Hair strands 1-6) Go back to round 3 at the base of the hair and attach the yarn as the FLO, 62 ch. from the 3rd chain, 60 hdc , fasten into new loop with slip stitch,1 sc switch to new loop, and start new strand of hair. Continue this process until you have 6 hair strands and cut the yarn.

Info :

I chose to sew the wig on the doll's head myself. You can use a strong glue if you wish. If you fasten it with pins first, your job will be easier. See pictures for sewing. separate 6 strands of hair from the front. Just sew the hair in the round you made 24 hairs

— Tail and Body :

Info :

Start green or light pink

Round 1 :

6 sc in a magic ring (6)

Round 2 :

6sc (6)

Round 3 :

5sc, 1inc (7)

Round 4 :

7sc (7)

Round 5 :

6sc, 1inc (8)

Round 6 :

8sc (8)

Round 7 :

7sc, 1inc (9)

Round 8 :

9sc (9)

Round 9 :

8sc, 1inc (10) start filling fiberfill

Round 10 :

10 sc (10)

Round 11 :

9sc, 1 inc (11)

Round 12 :

11 sc (11)

Round 13 :

10 sc, 1 inc (12)

Round 14 :

12 sc (12)

Round 15 :

10 sc, 2inc (14)

Round 16 :

14sc (14)

Round 17 :

10sc, (1 sc 1 inc)* 2repeat times (16)

Round 18 :

16 sc (16)

Round 19 :

(7sc 1inc)*2 repeat times (18)

Round 20 :

18 sc (18)

Round 21 :

18 sc (18)

Round 22 :

(8 sc 1inc)* 2 repeat times (20)

Round 23 :

20 sc (20)

Round 24 :

19 sc, 1inc (21)

Round 25 :

21 sc (21)

Round 26 :

20sc, 1inc (22)

Round 27 :

22 sc (22)

Round 28 :

(10 sc 1 inc)*2 repeat times (24)

Round 29 :

24 sc (24)

Round 30 :

23 sc, 1 inc (25)

Round 31 :

25 sc (25)

Round 32 :

24 sc, 1 inc (26)

Round 33 :

26 sc (26)

Round 34 :

25 sc, 1 inc (27)

Round 35 :

27sc (27)

Round 36 :

26sc, 1 inc (28)

Round 37 :

28sc (28)

Round 38 :

(6sc 1 inc)* 4 repeat times (32)

Round 39 :

32 sc (32)

Round 40 :

(7sc 1 inc) * 4 repeat times (36)

Round 41 :

36 sc (36)

Round 42 :

(8sc 1inc) *4 repeat times (40)

Round 43 :

40 sc (40)

Round 44 :

(9 sc 1 inc) *4 repeat times (44)

Round 45 :

44 sc (44)

Round 46 :

44 sc (44)

Round 47 :

44 sc (44)

Round 48 :

44 sc (44)

Round 49 :

(9sc 1dec) *4 repeat times (40)

Round 50 :

40 sc (40)

Round 51 :

(8sc 1dec) *4 repeat times (36)

Round 52 :

36 sc (36)

Round 53 :

(7 sc 1 dec) *4 repeat times (32)

Round 54 :

32 sc (32)

Round 55 :

32 sc (change yarn with skin color in last sc)

Round 56 :

as BLO 32 sc (32)

Round 57-70 :

32 sc (14 row) (32)

Info :

ADDING ARMS

Round 71 :

10sc, 3sc (with arm), 13sc, 3sc (with arm), 3sc, marker here (32)

Round 72 :

10 sc (body),7sc ( to the outside of the arm ), 13sc (body), 7 sc ( to the outside of the arm), 3 sc (body) (40)

Round 73 :

40 sc (40)

Round 74 :

(3 sc 1dec)*8 repeat times (32)

Info :

if you are going to add electrical wire, review the pictures. Cut 23 cm of electrical wire and twist the ends.

Round 75 :

(2sc 1dec)* 8 repeat times (24)

Round 76 :

(2sc 1dec)* 6 repeat times (18)

Round 77 :

(1sc 1dec) * 6 repeat times (12)

Round 78 :

12 sc (12)

Round 79 :

12 sc (12)

Round 80 :

12sc cut the yarn.

Info :

NOTE : Cut 16 cm of electrical wire and fold it in half. wrap some tape and attach it to the doll's neck as a support

Info :

sew the doll's head to the body

Info :

for the detail on the mermaid's waist, Go back to round 56 and fasten the light green thread from the back of the toy as FLO; 2ch, (2dc 1 incdc) *4 repeat times, 2 dc, 1 sc, (2dc 1 incdc)*5repeat times, 2 dc, sl st. Cut the yarn.

— MERMAID FISH TAIL :

Round 1 :

16 ch, from the 2nd chain, 15 sc, 5 ch, turn crochet (15)

Round 2 :

from the 2nd chain, 4 sc into chain, as BLO 15sc, 1 ch, turn crochet (19)

Round 3 :

as BLO 19sc, 5 ch, turn crochet (19)

Round 4 :

from the 2nd chain, 4 sc into chain, as BLO 19 sc, 1 ch turn crochet (23)

Round 5 :

as BLO 23 sc, 1 ch, turn crochet (23)

Round 6 :

as BLO 23 sc, 1 ch, turn crochet (23)

Round 7 :

as BLO 19 sc, 1 ch, turn crochet (19)

Round 8 :

as BLO 19 sc, 1 ch, turn crochet (19)

Round 9 :

as BLO 15 sc, 1 ch, turn crochet (15)

Round 10 :

as BLO 15 sc, cut the yarn leaving long for sewing. see pictures to shape

— Bra :

Round 1 :

16 ch, from the 2nd chain, 15 sc, 1 ch turn crochet (15)

Round 2 :

as BLO 15 sc, 1 ch, turn crochet (15)

Round 3 :

as BLO 15 sc, 1 ch, turn crochet (15)

Round 4 :

as BLO 1sc, 2 hdc, 2 dc, 2 hdc,1sc, 2 hdc, 2dc, 2 hdc, 1sc, cut the yarn (15)

Info :

Yarn the needle and tighten in the middle.You can hide the yarns inside the bra. To tie yarn from edge and make 30 chains then cut yarn

— Jellyfish Head :

Round 1 :

6 sc in a magic ring (6)

Round 2 :

6 inc (12)

Round 3 :

(1sc 1 inc)*6 repeat times (18)

Round 4 :

(2sc 1inc)* 6 repeat times (24)

Round 5 :

(1sc 1 inc), (3sc 1 inc)*5 repeat times, 2sc (30)

Round 6 :

(4sc 1inc)* 6 repeat times (36)

Round 7 :

(2sc 1inc), (5 sc 1 inc)*5 repeat times, 3sc (42)

Round 8-16 :

42 sc (9 row) (42)

Round 17 :

(5 sc 1 dec)* 6 repeat times (36)

Round 18 :

as BLO 36 sc. Cut the yarn

Info :

Note: 6mm safety lock eyes, placed 6 sc apart between rounds 13 and 14th

— Lower Base (Jellyfish) :

Round 1 :

8sc in magic ring (8)

Round 2 :

8 inc (16)

Round 3 :

as BLO (1 sc 1 inc)* 8 repeat times (24)

Round 4 :

(1sc 1inc)* 12 repeat times cut the yarn long for sewing Tentacles (8 pieces)

Info :

for tentacles go back to round 3 and fasten yarn as FLO; Make 21 chains, from chain 2, 20 sc, fasten into new loop with slip stitch,1 sc switch to new loop, and start new tentacle.

Info :

go back to round 18 of jellyfish's head and fasten yarn as FLO. 36 incdc, sl st.

Assembly Instructions

Attach the head to the body: insert the taped folded electrical wire support into the neck opening, align the head over the neck, and sew securely with a yarn needle using a whipstitch around the neck opening.
Position and sew the arms: add the arms into the body at the rounds indicated (with arm placement in Round 71), sew armpits securely and hide yarn tails inside the body.
Sew the hair wig to the head: pin the wig in place, separate the front 6 strands for fringe, then stitch the hair rounds to the head round where 24 hairs were made, or glue if preferred.
Attach fish tail pieces: place the two mermaid fish tail pieces at the end of the body, align and sew the edges with the long yarn tail so the tail flares evenly.
Add jellyfish tentacles and lower base: sew each tentacle into the lower base (round 3 area), then join the lower base to the jellyfish head; fasten yarn as FLO and secure with slip stitch as instructed.

Important Notes

💡Crochet the doll with tight stitches; work in continuous spiral and use a stitch marker or a piece of yarn to mark round endings.
💡Start stuffing early where indicated (head round 28, body round 9) and stuff gradually to maintain smooth shaping and avoid lumps.
💡If using electrical wire for support, cut and twist the wire ends as instructed and tape before inserting to prevent sharp edges from piercing the toy.
💡Place safety eyes at the exact rounds and stitch spacing specified (head: 8 mm eyes 9 sc apart between rounds 17-18; jellyfish: 6 mm eyes 6 sc apart between rounds 13-14).

This mermaid and jellyfish set brings a touch of the ocean to your crochet collection with whimsical hair and a tiny sea friend. The pattern includes full round-by-round instructions, helpful photos, and wiring tips to shape and pose your doll. Whether you make a single mermaid or a family of sea friends, these pieces make lovely gifts and keepsakes. 🧶🧜‍♀️

Mermaid and Jellyfish Amigurumi Pattern

Intermediate Level

Multi-Day Project

Cute Companion

About This Mermaid and Jellyfish Amigurumi Pattern

Why You'll Love This Mermaid and Jellyfish Amigurumi Pattern

Switch Things Up

Common Mistakes & How to Fix Them

Mermaid and Jellyfish Amigurumi Pattern

Materials Needed for Mermaid and Jellyfish Amigurumi Pattern

— Main Fabric

— Tools Required

Progress Tracker

— Arm :

Info :

Round 1 :

Round 2 :

Round 3 :

Round 4 :

Round 5 :

Round 6 :

Round 7 :

Round 8 :

Round 9 :

Round 10 :

Round 11-19 :

Round 20 :

Round 21 :

Round 22-32 :

— Head :

Round 1 :

Round 2 :

Round 3 :

Round 4 :

Round 5 :

Round 6 :

Round 7 :

Round 8 :

Round 9 :

Round 10 :

Round 11-24 :

Info :

Round 25 :

Round 26 :

Round 27 :

Round 28 :

Round 29 :

Round 30 :

Round 31 :

Info :

— Hair :

Info :

Round 1 :

Round 2 :

Round 3 :

Round 4 :

Round 5 :

Round 6 :

Info :

Item Name (P1) :

Item Name (P1) :

Item Name (P1) :

Info :

— Tail and Body :

Info :

Round 1 :

Round 2 :

Round 3 :

Round 4 :

Round 5 :

Round 6 :

Round 7 :

Round 8 :

Round 9 :

Round 10 :

Round 11 :

Round 12 :

Round 13 :

Round 14 :

Round 15 :