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Mermaid and Jellyfish Amigurumi Pattern

Mermaid and Jellyfish Amigurumi Pattern
4.7★ Rating
5-7 Hours Time Needed
1.3K Made This
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Intermediate Level

Ideal for those with basic crochet experience, featuring slightly more advanced stitches and techniques to expand your skills.

⏱️

Weekend Treat

Takes 5-7 hours, making it an enjoyable project to finish over a couple of days.

🧸

Cute Companion

An adorable friend to cherish, handcrafted with love to bring comfort and joy for years to come.

About This Mermaid and Jellyfish Amigurumi Pattern

This pattern creates a pair of mermaid dolls with detailed curly hair and matching jellyfish companions. Youll work in continuous rounds to shape heads, bodies, tails, and tiny accessories with clear photo guidance. Special techniques include bobble stitches for texture and working in the BLO/FLO for hair attachment.

Mermaid and Jellyfish Amigurumi Pattern crochet pattern - detailed view of completed project

Includes materials list, abbreviations, and step-by-step rounds for every piece of the dolls and jellyfish. Assembly tips and placement notes help you finish neatly and professionally.

Why You'll Love This Mermaid and Jellyfish Amigurumi Pattern

I absolutely love this pattern because it combines playful details with practical construction so the finished dolls feel special and sturdy. I enjoy creating the curly hair strands — they give the mermaids so much personality and movement. The small jellyfish are a delightful companion project that finishes quickly and makes a lovely gift set. Working through the rounds and seeing each piece come together is so rewarding, and I hope you find the same joy in stitching them.

Mermaid and Jellyfish Amigurumi Pattern step 1 - construction progress Mermaid and Jellyfish Amigurumi Pattern step 2 - assembly progress Mermaid and Jellyfish Amigurumi Pattern step 3 - details and accessories Mermaid and Jellyfish Amigurumi Pattern step 4 - final assembly and finishing

Switch Things Up

I love how easy it is to customize the mermaid by changing hair color and tail shades—try teal and gold for a mermaid queen or soft pastels for a baby mermaid.

You can change yarn weight and hook size to make different sizes; use thicker yarn and a larger hook for a chunky cuddly version or finer thread for a tiny keychain model.

I often add embroidered freckles, a tiny bead necklace, or felt accessories to give each mermaid her own personality.

If you want posable arms, insert thin craft wire into the arm tube before finishing and sew ends securely so the wire doesnt poke through.

Make a set of jellyfish in rainbow colors by alternating tentacle yarns or adding metallic thread for tiny sparkle highlights.

Try sewing on felt or crochet tiny accessories like a starfish hair clip or a shell belt for seasonal variations.

For a different look, replace the fish tail with a skirt or legged body to convert the pattern into a simple doll.

I sometimes add weighted beads to the bottom of the tail to help the mermaid sit upright for display on shelves.

Try using safety eyes or embroidered eyes for a softer, child-safe toy — embroidered eyes give a gentler, handmade expression.

I also recommend experimenting with hair length and curl styles; shorter strands create a bob, while longer chains form dramatic waves and ringlets.

Common Mistakes & How to Fix Them

✗ Skipping stitch markers during continuous rounds can lead to losing the round end; place a marker at the end of each round to track your progress. ✗ Not stuffing gradually causes lumpy or uneven limbs and bodies; add fiberfill in small amounts and shape as you go for a smooth finish. ✗ Changing tension between pieces makes assembly difficult and parts misfit; maintain consistent, moderate tension across all components of the doll. ✗ Attaching safety eyes without checking spacing results in uneven faces; measure and place eyes between the specified rounds to ensure correct expression and symmetry.

Mermaid and Jellyfish Amigurumi Pattern

Create two charming mermaid dolls and matching jellyfish friends with this detailed crochet pattern. Youll enjoy step-by-step rounds, clear photos, and color suggestions to make a playful set. The design features a sculpted head, curly hair strands, a tapered mermaid tail, and a tiny jellyfish with curly tentacles. Perfect for gifting or keeping as a cute handmade collectible, this pattern walks you through every round and assembly step.

Intermediate 5-7 Hours

Materials Needed for Mermaid and Jellyfish Amigurumi Pattern

— Main Fabric

  • 01
    Gazzal baby cotton 3469 (skin) 50 g 165 m (60% cotton 40% acrylic)
  • 02
    Gazzal baby cotton 3467 (dark green tail) approx. 1 ball
  • 03
    Anchor baby pure cotton 00272 (light green tail) 50 g 165 m (100% cotton)
  • 04
    Gazzal baby cotton 3414 (purple for bra and jellyfish)
  • 05
    Gazzal baby cotton 3461 (dark pink for jellyfish tentacles)
  • 06
    Gazzal baby cotton 3439 (red hair)
  • 07
    Kartopu cotton love K768 (pink tail)
  • 08
    Gazzal baby cotton 3448 (green for hair)
  • 09
    Kartopu Organica K494 (for jellyfish)
  • 10
    Very little light yellow for bra
  • 11
    8 mm black safety eyes (for mermaid)
  • 12
    6 mm black safety eyes (for jellyfish)

— Tools Required

  • 01
    Crochet hook size 2.00 mm
  • 02
    2.5 mm electrical wire (optional support for head and posable arms)
  • 03
    Safety eyes 8 mm (2 pieces for mermaid)
  • 04
    Safety eyes 6 mm (2 pieces for jellyfish)
  • 05
    Fiber filler (polyester stuffing)
  • 06
    Piece of white and black embroidery floss to embroider the eyes
  • 07
    Scissors
  • 08
    Yarn needle for sewing
  • 09
    Stitch markers
  • 10
    Pliers (for electrical wire)
  • 11
    Fiber tweezers
  • 12
    Long needle

Progress Tracker

0% Complete

— Arms :

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

Info :

see pictures to embroider eyelashes and nose

— Hair :

HAIR BASE - Round 1 :

6 sc in magic ring (6)

HAIR BASE - Round 2 :

6inc (12)

HAIR BASE - Round 3 :

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

HAIR BASE - Round 4 :

18 inc (36)

HAIR BASE - Round 5 :

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

HAIR BASE - Round 6 :

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

Info :

Continue without cutting the yarn

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

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

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)

Info :

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 :

Note :

(2 pieces)

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

Info :

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.

Info :

To tie yarn from edge and make 30 chains then cut yarn

— Jellyfish Pattern :

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 (36)

Info :

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

— Lower Base :

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 (36)

Info :

sewing Tentacles (8 pieces) 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 :

Make 8 tentacles using above method and attach to lower base. go back to round 18 of jellyfish's head and fasten yarn as FLO. 36 incdc, sl st.

Assembly Instructions

  • Attach head to body by sewing the neck opening from round 31 (head) to the top opening of the body securely, and add the 16 cm folded electrical wire taped into the neck for support if using wire.
  • Position and sew arms into the openings indicated during Round 71 (10sc,3sc with arm…) ensuring each arm is secured in the 3sc attachment points; angle slightly for a natural pose.
  • Sew the mermaid fish tail pieces to the end of the body tail opening, shaping and flattening the tail pieces before attaching to match photos and create a natural fin.
  • Sew the hair base onto the head by aligning the round with 24 hair attachment points, pinning sections in place before stitching so the wig sits evenly.
  • Attach the bra to the chest area by centering on the front and sewing through the middle tie; hide yarn ends inside the bra as you secure it.
  • Sew the jellyfish tentacles to the lower base and then join the lower base to the jellyfish head by fastening yarn at round 18 as FLO and finishing with sl st.

Important Notes

  • 💡Use a stitch marker to mark the end of each round since all rounds are worked in a continuous spiral unless stated otherwise.
  • 💡Stuff pieces gradually as instructed (start at specified rounds) and avoid overstuffing which can distort shaping.
  • 💡Pin all parts in place before sewing to ensure correct positioning and symmetry for head, arms, tail, and wig.
  • 💡When adding electrical wire, twist and tape the ends to avoid sharp points and make sure the wire is fully covered before stuffing.
  • 💡Work consistent tension across all pieces; change yarn color only where indicated and weave in ends as you go.

This whimsical Mermaid and Jellyfish set brings a splash of handmade charm to any shelf or gift pile. The pattern includes detailed rounds, photos, and assembly tips so you can stitch with confidence. Enjoy creating these playful companions and give someone a cuddle-worthy keepsake. 🧜‍♀️🧶

You ask,

we answer.

FAQs

What size will the finished piece be?

The finished mermaid measures approximately 25-30 cm tall depending on yarn tension and choice of yarn; the jellyfish is a small companion around 6-8 cm tall.

Can I use different yarn weights for this pattern?

Yes, you can use different yarn weights but it will affect the final size and stitch definition; adjust hook size accordingly and test a gauge swatch first.

Do I need prior crochet experience for this pattern?

This pattern is rated intermediate; familiarity with single crochet, increases, decreases, BLO/FLO, and bobble stitches is recommended for best results.

How long does this project typically take to complete?

Most crocheters complete the mermaid and jellyfish set in 5-7 hours, though time may vary with experience and how many photo-assembly steps you follow.