🧶 Beautiful ✨ Detailed 💝 Adorable

Mermaid Octopus Coral Trio Amigurumi Pattern

Mermaid Octopus Coral Trio Amigurumi Pattern
4.1★ Rating
8-10 Hours Per Doll Time Needed
1.5K Made This
✂️

Intermediate Level

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

⏱️

All-Day Adventure

Requires 8-10 hours, ideal for a full day of immersive knitting.

🧸

Whimsical Buddy

Playful characters full of personality, designed to spark imagination and become cherished playtime favorites.

About This Mermaid Octopus Coral Trio Amigurumi Pattern

Mermaid Octopus Coral Trio Amigurumi Pattern crochet pattern - detailed view of completed project

Each pattern uses worsted weight yarn in coordinating ocean colors, with detailed round-by-round instructions that guide you through special techniques like front loop only work, shell stitches, and seamless body construction. The finished dolls make perfect gifts, nursery decorations, or collectible display pieces.

Why You'll Love This Mermaid Octopus Coral Trio Amigurumi Pattern

I absolutely love how this pattern lets you create an entire underwater family with distinct personalities! The variety of techniques keeps the project engaging from start to finish. Working with back loop only stitches to create those gorgeous textured scales on the mermaid tail was so satisfying, and watching Ozzy's eight legs come together into that adorable octopus base felt like pure magic. What really makes these special is the attention to detail - from Caro's twirly dress ruffles to the delicate pearl accents on Aqua's tail. Each character teaches you something new while building on skills you already have, making this the perfect pattern for expanding your amigurumi repertoire while creating truly enchanting pieces.

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

Switch Things Up

I love experimenting with color combinations to make each character uniquely mine! For Caro, try swapping the orange for soft pinks or lavenders with cream accents for a gentle coral reef aesthetic, or go bold with hot pink and yellow for a tropical vibe. The dress really shines in gradient yarns that shift through ocean colors.

With Ozzy, I've discovered that jewel tones like deep emerald, sapphire, or amethyst create a stunning statement, especially when you add metallic thread worked alongside the yarn for a shimmering effect on the collar and buns. You could even make each of her eight legs a different shade for a rainbow octopus!

Aqua's tail is perfect for experimenting with variegated or self-striping yarns that mimic ocean waves. I've also loved using ombre yarns that transition from deep sea blue at the tail tip to lighter turquoise at the body. The shell stitch pattern on her hat looks absolutely magical in metallic or sparkle yarns.

Don't be afraid to personalize the facial features too! Try different eye sizes, add rosy cheeks with pink yarn or fabric paint, or embroider unique expressions. You could even add tiny accessories like a starfish hair clip for Aqua or a little crab friend for Ozzy. The beauty of these patterns is that the construction techniques remain the same while your creativity makes each doll one-of-a-kind!

Common Mistakes & How to Fix Them

✗ Forgetting to mark the beginning of rounds when working in continuous spirals, causing misalignment in increases and decreases throughout the body sections ✗ Overstuffing the body parts which distorts the shape and makes it difficult to attach pieces properly, especially for the mermaid tail ✗ Missing the back loop only instructions for texture work, resulting in smooth surfaces instead of the intended scaled or ruffled effects ✗ Not counting stitches carefully when assembling Ozzy's eight legs together, leading to uneven gaps or twisted leg placement around the body base

Mermaid Octopus Coral Trio Amigurumi Pattern

Dive into an enchanting underwater world with this delightful trio of sea-themed amigurumi dolls! This pattern includes three adorable characters: Caro the Coral Girl with her stunning ruffled dress and decorative buns, Ozzy the Octopus Girl featuring eight beautifully crafted legs and charming collar details, and Aqua the Mermaid with her elegant scaled tail and pearl embellishments. Each character showcases unique construction techniques including back loop only stitching for texture, intricate shell patterns, and creative assembly methods. Perfect for creating a complete ocean-themed collection, these patterns combine intermediate techniques with detailed instructions to help you craft truly special handmade gifts or display pieces that capture the magic of the sea.

Intermediate 8-10 Hours Per Doll

Materials Needed for Mermaid Octopus Coral Trio Amigurumi Pattern

— Main Fabric

  • 01
    YarnArt Jeans in skin color 73 (50g, 160m) - for all three dolls' skin tones
  • 02
    YarnArt Jeans in orange 85 (50g, 160m) - for Caro's dress and accessories
  • 03
    YarnArt Jeans in white 03 (50g, 160m) - for Caro's dress accents
  • 04
    Baby Jeans in purple 16 (40g, 180m) - for Ozzy's body and accessories
  • 05
    Etrofil Jeans in turquoise 54 (50g, 160m) - for Aqua's tail and hat
  • 06
    YarnArt Jeans in white 62 (50g, 160m) - for Aqua's shell accents

— Tools Required

  • 01
    Crochet hook size 2-2.5mm
  • 02
    Black safety eyes 10mm
  • 03
    Tapestry needles
  • 04
    Pins for assembly
  • 05
    Stitch markers
  • 06
    Scissors
  • 07
    Polyester fiberfill stuffing
  • 08
    Black and pink embroidery thread
  • 09
    Small plastic pearls for decoration (optional for baby gifts)

Progress Tracker

0% Complete

— CARO THE CORAL GIRL —

— Legs (Make 2) :

Round 1 :

sc 6 in a magic loop (6)

Round 2 :

[sc 1, inc] 3x (9)

Round 3 :

[sc 2, inc] 3x (12)

Round 4 :

[sc 3, inc] 3x (15)

Round 5 :

[sc 4, inc] 3x (18)

Info :

Make the 2nd leg similar to the 1st leg but do not break the yarn, connect with 1st leg with 1 slst. Continue crocheting sc 18 on the 1st leg and sc 18 on the 2nd leg = 36. Continue to crochet through the body.

— Body :

Round 1 :

[sc 5, inc] 6x (42)

Round 2-4 :

sc 42 (3 rows), change to yarn B (42)

Round 5 :

sc 42 (42)

Round 6 :

(BLO) sc 42 (42)

Round 7-9 :

sc 42 (3 rows) (42)

Round 10 :

[sc 5, dec] 6x (36)

Round 11 :

sc 36 (36)

Round 12 :

[sc 4, dec] 6x (30)

Round 13 :

sc 30 (30)

Round 14 :

[sc 3, dec] 6x (24)

Round 15 :

sc 24 (24)

Info :

Break the yarn with a long rest, do not stuff. Turn the Body upside down, connect yarn B on the 1st stitch of the 6th rnd, we will crochet the Dress on the remaining loop of this rnd.

— Dress :

Round 1 :

inc 42 (84)

Round 2 :

inc 84 (168)

Round 3 :

inc 168, change to yarn C (336)

Round 4 :

(BLO) slst 336 (336)

Info :

Break the yarn, hide the remaining yarn.

— Arms (Make 2) :

Round 1 :

sc 6 in a magic loop (6)

Round 2 :

[sc 1, inc] 3x (9)

Round 3 :

sc 9 change to yarn B (9)

Round 4-12 :

sc 9 (9 rows) (9)

Info :

Break the yarn, stuff lightly the lower arms, use the tapestry needle to sew 2 edges together.

— Head :

Round 1 :

sc 6 into a magic loop (6)

Round 2 :

inc 6 (12)

Round 3 :

[sc 1, inc] 6x (18)

Round 4 :

sc 1, inc, [sc 2, inc] 5x, sc 1 (24)

Round 5 :

[sc 3, inc] 6x (30)

Round 6 :

sc 2, inc, [sc 4, inc] 5x, sc 2 (36)

Round 7 :

[sc 5, inc] 6x (42)

Round 8 :

sc 3, inc, [sc 6, inc] 5x, sc 3 (48)

Round 9 :

[sc 7, inc] 6x (54)

Round 10 :

sc 4, inc, [sc 8, inc] 5x, sc 4 (60)

Round 11 :

sc 60 (60)

Round 12 :

[sc 9, inc] 6x (66)

Round 13-24 :

sc 66 (12 rows), insert 10mm safety eyes between the 17th & 18th rnd, 8 sts apart (66)

Round 25 :

[sc 9, dec] 6x (60)

Round 26 :

[sc 8, dec] 6x (54)

Round 27 :

[sc 7, dec] 6x (48)

Round 28 :

[sc 6, dec] 6x (42)

Round 29 :

[sc 5, dec] 6x (36)

Round 30 :

[sc 4, dec] 6x (30)

Round 31 :

[sc 3, dec] 6x (24)

Info :

Break the yarn with a long rest to sew later. Stuff firmly.

— Hat :

Round 1-10 :

crochet rnd 1-10 of the Head (60)

Round 11 :

[sc 9, inc] 6x (66)

Round 12-25 :

sc 66 (14 rows) (66)

Round 26 :

(FLO) inc 66 (132)

Round 27 :

[sc 1, inc] 66x, change to yarn C (198)

Round 28 :

(BLO) slst 198 (198)

Info :

Break the yarn with a long rest to sew later.

— Coral's Buns (Make 2) :

Info :

Leave a longer yarn before making the Magic Ring, this yarn will be the thread to attach the Buns to the Hat.

Round 1 :

sc 6 in a magic loop (6)

Round 2 :

inc 6 (12)

Round 3 :

inc 12 (24)

Round 4 :

inc 24 (42)

Round 5 :

inc 42 (84)

Round 6 :

inc 84, change to yarn C (168)

Round 7 :

(BLO) slst 168 (168)

Info :

Break the yarn, hide the remaining yarn. Tip: if you want to make a bigger and curlier Bun, just crochet 1 more rnd: inc 168 = 336 sts.

— OZZY THE OCTOPUS GIRL —

— Legs (Make 8) :

Round 1 :

sc 6 into a magic loop (6)

Round 2 :

[sc 1, inc] 3x (9)

Round 3 :

sc 9 (9)

Round 4 :

[sc 2, inc] 3x (12)

Round 5-6 :

dec 1, sc 4, inc 1, sc 5 (2 rows) (12)

Round 7 :

[sc 3, inc] 3x (15)

Round 8-9 :

dec 1, sc 6, inc 1, sc 6 (2 rows) (15)

Round 10 :

[sc 4, inc] 3x (18)

Round 11-12 :

dec 1, sc 7, inc 1, sc 8 (2 rows) (18)

Info :

Break the yarn with a long rest. Make 7 other legs the same way. Now we have 8 legs. Start to attach 8 legs together, use the tapestry needle to sew 6 sts of each leg together (6 first sts of the 12th rnd of the 1st leg to 6 last sts of the 12th rnd of the 2nd leg). Continue sewing legs together in sequence.

Info :

Now we start to crochet on the under of the legs (it has a hole in the between), connect yarn B on any sts of the hole

Round 1 :

sc 24 (24)

Round 2 :

[sc 2, dec] 6x (18)

Round 3 :

[sc 1, dec] 6x (12)

Round 4 :

dec 6 (6)

Info :

Use the tapestry needle to weave in the last 6 sts, hide the remaining yarn. The remaining sts of each leg after sewing together is 18-6-6=6 sts, so we have total 6*8=48 sts, now we move to crochet the body from these 48 sts.

— Body :

Info :

If you calculate the remaining sts is more or less than 48 sts, decrease 1 between each leg or increase 1, it will not affect the Body shape, just decrease and increase till you reach 48 sts

Round 1-2 :

sc 48 (2 rows) (48)

Round 3 :

[sc 6, dec] 6x (42)

Round 4-7 :

sc 42 (4 rows), start to stuff 8 legs (42)

Round 8 :

[sc 5, dec] 6x (36)

Round 9 :

sc 36 (36)

Round 10 :

[sc 4, dec] 6x (30)

Round 11 :

sc 30 (30)

Round 12 :

[sc 3, dec] 6x (24)

Round 13 :

sc 24 (24)

Info :

Break the yarn with a long rest, stuff.

— Arms (Make 2) :

Round 1 :

sc 6 in a magic loop (6)

Round 2 :

[sc 1, inc] 3x (9)

Round 3 :

sc 9 change to yarn B (9)

Round 4-12 :

sc 9 (9 rows) (9)

Info :

Break the yarn, stuff lightly the lower arms, use the tapestry needle to sew 2 edges together.

— Head :

Round 1 :

sc 6 into a magic loop (6)

Round 2 :

inc 6 (12)

Round 3 :

[sc 1, inc] 6x (18)

Round 4 :

sc 1, inc, [sc 2, inc] 5x, sc 1 (24)

Round 5 :

[sc 3, inc] 6x (30)

Round 6 :

sc 2, inc, [sc 4, inc] 5x, sc 2 (36)

Round 7 :

[sc 5, inc] 6x (42)

Round 8 :

sc 3, inc, [sc 6, inc] 5x, sc 3 (48)

Round 9 :

[sc 7, inc] 6x (54)

Round 10 :

sc 4, inc, [sc 8, inc] 5x, sc 4 (60)

Round 11 :

sc 60 (60)

Round 12 :

[sc 9, inc] 6x (66)

Round 13-24 :

sc 66 (12 rows), insert 10mm safety eyes between the 17th & 18th rnd, 8 sts apart (66)

Round 25 :

[sc 9, dec] 6x (60)

Round 26 :

[sc 8, dec] 6x (54)

Round 27 :

[sc 7, dec] 6x (48)

Round 28 :

[sc 6, dec] 6x (42)

Round 29 :

[sc 5, dec] 6x (36)

Round 30 :

[sc 4, dec] 6x (30)

Round 31 :

[sc 3, dec] 6x (24)

Info :

Break the yarn with a long rest to sew later. Stuff firmly.

— Hat :

Round 1-10 :

crochet rnd 1-10 of the Head (60)

Round 11 :

[sc 9, inc] 6x (66)

Round 12-26 :

sc 66 (15 rows) (66)

Round 27 :

(FLO) *ch 4, slst*, repeat ** till the end

Info :

Break the yarn with a long rest to sew later.

— Buns (Make 2) :

Round 1 :

sc 8 in a magic loop (8)

Round 2 :

inc 8 (16)

Round 3 :

[sc 1, inc] 8x (24)

Round 4 :

sc 24 (24)

Round 5 :

[sc 1, inc, sc 1] 8x (32)

Round 6 :

sc 32 (32)

Round 7 :

[sc 3, inc] 8x (40)

Round 8-10 :

sc 40 (3 rows) (40)

Round 11 :

[sc 3, dec] 8x (32)

Round 12 :

[sc 2, dec] 8x (24)

Round 13 :

(FLO) *ch 5, slst*, repeat ** till the end

Info :

Break the yarn with a long rest to sew later. Stuff slightly.

— Collar :

Round 1 :

ch 31, start crochet on the 2nd from the hook, sc 30 (30)

Round 2 :

(FLO) *ch 4, slst*, repeat ** till the end

Info :

Break the yarn with a long rest to sew later.

— AQUA THE MERMAID —

— Tail :

Round 1 :

sc 6 into a magic loop (6)

Round 2 :

(BLO) [sc 1, inc] 3x (9)

Round 3 :

[sc 2, inc] 3x (12)

Round 4 :

(BLO) [sc 3, inc] 3x (15)

Round 5 :

[sc 4, inc] 3x (18)

Round 6 :

(BLO) [sc 5, inc] 3x (21)

Round 7 :

[sc 6, inc] 3x (24)

Round 8 :

(BLO) [sc 7, inc] 3x (27)

Round 9 :

[sc 8, inc] 3x (30)

Round 10 :

(BLO) [sc 9, inc] 3x (33)

Round 11 :

[sc 10, inc] 3x (36)

Round 12 :

(BLO) [sc 11, inc] 3x (39)

Round 13 :

[sc 12, inc] 3x (42)

Round 14 :

(BLO) sc 42 (42)

Round 15 :

sc 42, change to yarn A (42)

Round 16 :

(BLO) sc 42 (42)

Round 17-18 :

sc 42 (2 rows) (42)

Round 19 :

[sc 5, dec] 6x (36)

Round 20 :

sc 36 (36)

Round 21 :

[sc 4, dec] 6x (30)

Round 22 :

sc 30 (30)

Round 23 :

[sc 3, dec] 6x (24)

Round 24 :

sc 24 (24)

Info :

Break the yarn with a long rest. Turn the Body upside down, attach yarn B on the last st of the 16th rnd, we will crochet the Fish scales on the remaining loop of this rnd: skip 1 st, (dc 5), skip 1 st, slst 1, repeat ** on the remaining loop of all the rnds on the Tail. Break the yarn, hide the remaining yarn.

— Fins (Make 2) :

Round 1 :

ch 9, start on the 2nd st from the hook, sc 7, (sc 3), sc 5, turn (15)

Round 2 :

(BLO) ch 1, sc 6, (sc 3), sc 6, turn (15)

Round 3 :

(BLO) ch 1, sc 7, (sc 3), sc 5, turn (15)

Round 4 :

Repeat rnd 2 (15)

Round 5 :

Repeat rnd 3 (15)

Info :

Break the yarn with a long rest. Make the 2nd fin the same way, attach 2 fins on the tail. Then attach yarn C on the 1st st of the Fish scales: (BLO) slst across the edge of the Fish scales and move to the Fins too. Hide the remaining yarn.

— Arms (Make 2) :

Round 1 :

sc 6 in a magic loop (6)

Round 2 :

[sc 1, inc] 3x (9)

Round 3-12 :

sc 9 (10 rows) (9)

Info :

Break the yarn, stuff lightly the lower arms, use the tapestry needle to sew 2 edges together.

— Head :

Round 1 :

sc 6 into a magic loop (6)

Round 2 :

inc 6 (12)

Round 3 :

[sc 1, inc] 6x (18)

Round 4 :

sc 1, inc, [sc 2, inc] 5x, sc 1 (24)

Round 5 :

[sc 3, inc] 6x (30)

Round 6 :

sc 2, inc, [sc 4, inc] 5x, sc 2 (36)

Round 7 :

[sc 5, inc] 6x (42)

Round 8 :

sc 3, inc, [sc 6, inc] 5x, sc 3 (48)

Round 9 :

[sc 7, inc] 6x (54)

Round 10 :

sc 4, inc, [sc 8, inc] 5x, sc 4 (60)

Round 11 :

sc 60 (60)

Round 12 :

[sc 9, inc] 6x (66)

Round 13-24 :

sc 66 (12 rows), insert 10mm safety eyes between the 17th & 18th rnd, 8 sts apart (66)

Round 25 :

[sc 9, dec] 6x (60)

Round 26 :

[sc 8, dec] 6x (54)

Round 27 :

[sc 7, dec] 6x (48)

Round 28 :

[sc 6, dec] 6x (42)

Round 29 :

[sc 5, dec] 6x (36)

Round 30 :

[sc 4, dec] 6x (30)

Round 31 :

[sc 3, dec] 6x (24)

Info :

Break the yarn with a long rest to sew later. Stuff firmly.

— Hat :

Round 1-10 :

crochet rnd 1-10 of the Head (60)

Round 11 :

[sc 9, inc] 6x (66)

Round 12 :

sc 66 (66)

Round 13 :

skip 2 sts, (dc 5), skip 2 sts, sc 1, repeat ** till the end, change to yarn C (11 shells)

Round 14 :

(BLO) sc 66, change to yarn B (66)

Round 15 :

ch 3, (dc 2) on the same st of the ch 3, skip 2 sts, sc 1, skip 2 sts, (dc 5), skip 2 sts, sc 1, repeat ** 9 more times, skip 2 sts, (dc 2) on the same st of the ch 3, slst on the 3rd ch of the ch 3, change to yarn C (11 shells)

Round 16 :

(BLO) sc 66, change to yarn B (66)

Round 17-20 :

Repeat rnd 13-16 (4 rows) (66)

Round 21-22 :

Repeat rnd 13-14 (2 rows) (66)

Info :

Break the yarn with a long rest to sew later.

Assembly Instructions

  • For Caro: Attach the hat securely to the head using the long yarn tail and tapestry needle, ensuring even placement all around.
  • Use the long thread from the magic ring center to attach both decorative buns onto the sides of Caro's hat.
  • Sew the arms onto Caro's body at shoulder level, positioning them slightly to the sides for a natural pose.
  • Attach Caro's head to the body, making sure the dress ruffles flow nicely and the head sits securely centered.
  • For Ozzy: After crocheting all eight legs, use the tapestry needle to carefully sew 6 stitches of adjacent legs together following the pattern sequence to create the octopus base.
  • Attach Ozzy's hat to the head, then position and sew both textured buns onto the hat sides for her signature hairstyle.
  • Sew Ozzy's arms to the body and attach the decorative collar around the neck area before finally attaching the head securely to the body.
  • For Aqua: After creating the scaled tail, attach both fins at the tail tip, then slip stitch along the edges with white yarn for definition.
  • Carefully hand-sew plastic pearls onto Aqua's tail scales and hat using matching thread (omit pearls if making for babies or young children).
  • Attach Aqua's arms to the body, then secure the shell-patterned hat to the head before final assembly.
  • Finally, sew a few decorative pearls in a necklace pattern at Aqua's neckline to complete the mermaid look.

Important Notes

  • 💡Use stitch markers consistently to track the beginning of each round, especially during the complex assembly of Ozzy's eight legs
  • 💡Stuff each piece firmly but avoid overstuffing, which can distort shapes and make assembly difficult, particularly for the mermaid tail
  • 💡Pay close attention to BLO (back loop only) and FLO (front loop only) instructions as these create the essential texture and dimension
  • 💡When working on color changes, carry yarn carefully on the inside to avoid visible lines and maintain clean color transitions
  • 💡Pin all pieces in their intended positions before sewing to ensure proper alignment and proportions across all three characters
  • 💡For Ozzy's eight legs, count stitches meticulously during assembly to achieve an even, symmetrical octopus base
  • 💡If adding pearl embellishments to Aqua, ensure they're securely attached with doubled thread and avoid using them for dolls intended for children under three

This enchanting underwater trio pattern brings three unique ocean friends to life with distinctive techniques and charming details! From Caro's twirling ruffled dress to Ozzy's innovative eight-legged construction and Aqua's gorgeously textured scaled tail, each character offers rewarding challenges that build your amigurumi skills. The combination of back loop texturing, shell stitches, and creative assembly methods makes this pattern both educational and delightful to work. Whether displayed together as an underwater collection or gifted separately, these adorable sea friends capture the magic of the ocean in every stitch. 🧶✨ Dive in and happy crocheting! 🌊💙

You ask,

we answer.

FAQs

Can I make these dolls in different sizes?

Yes! To adjust the size, simply use a different hook size and corresponding yarn weight. A larger hook (3-4mm) with worsted or aran weight yarn will create bigger dolls, while staying with the recommended 2-2.5mm hook produces the standard size of approximately 8-10 inches tall.

How do I keep track of rounds when working Ozzy's eight legs?

Use eight different colored stitch markers or safety pins to mark each leg individually. Label them 1-8 with small pieces of tape if needed, and work through the pattern systematically one leg at a time before beginning the assembly process.

What's the best way to create even scales on Aqua's mermaid tail?

Work the BLO (back loop only) rounds consistently and with even tension. After completing the tail, gently push the scales downward with your fingers to set them in place before adding the decorative slip stitch edging. The scales naturally curl outward when worked in back loops only.

Can I skip the pearl embellishments on Aqua?

Absolutely! The pearls are optional decorative elements. You can omit them entirely, especially if making the doll for young children, or substitute with embroidered French knots or small crocheted circles in white or iridescent yarn for a similar effect.

How do I attach Ozzy's eight legs together without gaps?

Follow the pattern instructions carefully to sew exactly 6 stitches from each adjacent leg together using a tapestry needle. Pull the yarn snugly but not too tight. After all legs are connected in a circle, you'll close the center hole by working decreases as directed, which eliminates any gaps.

What type of stuffing works best for these dolls?

High-quality polyester fiberfill works perfectly for all three characters. Stuff firmly but not overly tight, especially in the head and body. For the mermaid tail, stuff lightly to maintain flexibility and allow the scales to show their texture properly.