Amigurumi Rainbow Fish - FREE Crochet Pattern

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Welcome to the dazzling and colorful world of amigurumi! 🐠✨ Today, I’m excited to share my free crochet pattern for an Amigurumi Rainbow Fish—a vibrant and whimsical creation perfect for ocean lovers, storybook enthusiasts, or anyone who enjoys crafting expressive and eye-catching plush designs! 🧶 Whether you love stitching up shimmering scales, experimenting with bold color combinations, or simply want to add a radiant rainbow fish to your handmade lineup, this pattern will guide you through crafting a beautifully sculpted plush with flowing fins, sparkling details, and a touch of underwater magic! 🌊

This design embraces bright hues, textured shaping, and thoughtful details to bring a lively and enchanting presence to your crochet projects! 🧶✨ I’ve carefully outlined each step to ensure your Amigurumi Rainbow Fish turns out just right—ready to swim into your collection or become a treasured handmade gift! 🎁 So grab your hooks, pick out dazzling shades, and let’s stitch up a stunning rainbow fish! 🐠

🌈 Amigurumi Rainbow Fish – FREE Crochet Pattern

This vibrant rainbow fish is a splash of color and joy! With a rounded body, bold rainbow stripes, vertical dorsal fin details, and a flared tail worked in the correct orientation, it makes a beautiful display piece or playful toy.

✨ Skill Level
Intermediate – Includes seamless color changes, fin shaping, and proper orientation for striped dorsal and tail construction.

📏 Finished Size
Approx. 10–12 inches (25–30 cm) long using DK or worsted yarn and a 2.5–3.5 mm hook.

🧶 Materials

DK or Worsted weight yarn in rainbow colors:
- Color A: Cream/Peach (face)
- Color B–G: Pink, Red, Orange, Yellow, Green, Aqua, Blue, Purple (body + fins)
- Color H: Burgundy/Dark contrast (optional tail/fins edging)
2.5–3.0 mm crochet hook
12 mm safety eyes
Black embroidery thread for mouth lines
Stuffing
Stitch marker
Tapestry needle

🧵 Abbreviations (US Terms)
MR – Magic Ring
sc – Single Crochet
inc – Increase
dec – Decrease
sl st – Slip Stitch
ch – Chain
FO – Fasten Off

🐟 Body (Worked in spiral rounds)

Start with Color A (face):

MR, 6 sc
inc x6 (12)
(1 sc, inc) x6 (18)
(2 sc, inc) x6 (24)
(3 sc, inc) x6 (30)
(4 sc, inc) x6 (36)
(5 sc, inc) x6 (42)
(6 sc, inc) x6 (48)
9–13. sc around (48)

📌 Start changing colors every 2–3 rounds in rainbow order:

Rounds 14–15: Pink
Rounds 16–17: Red
Rounds 18–19: Orange
Rounds 20–21: Yellow
Rounds 22–23: Green
Rounds 24–25: Aqua
Rounds 26–27: Blue
Rounds 28–30: Purple

(6 sc, dec) x6 (42)
(5 sc, dec) x6 (36)
(4 sc, dec) x6 (30)
(3 sc, dec) x6 (24)
(2 sc, dec) x6 (18)
Stuff firmly
(1 sc, dec) x6 (12)
dec x6 (6), FO and close

📌 Place safety eyes between Rounds 10–11, approx. 10 sts apart
📌 Embroider three straight horizontal lines for mouth with black thread

🐠 Side Fins (Make 2 – Multicolor Stripes)

MR, 6 sc
inc x6 (12)
(1 sc, inc) x6 (18)
sc around
📌 Change color every round for a striped look
(2 sc, dec) x4, sc x2 (14)
sc around
Flatten, FO and sew evenly on each side near Round 17 of the body

🧵 Dorsal Fin (Vertical Stripes – Work in Rows)

Use vertical striping across rows:

Ch 9
Row 1: sc across (8)
Change color every row (Pink → Red → Orange → Yellow → Green → Blue → Purple → Burgundy), work 8 rows total
FO, weave in tails

📌 Fold base slightly, sew along top centerline of body, curving slightly backward. Stitches should run vertically to emphasize the stripes.

🎨 Tail Fin (Horizontal Orientation)

MR, 6 sc
inc x6 (12)
(1 sc, inc) x6 (18)
(2 sc, inc) x6 (24)
(3 sc, inc) x6 (30)
(4 sc, inc) x6 (36)
7–9. sc around
(2 sc, dec) x9 (27)
sc around
(1 sc, dec) x9 (18)
Flatten and shape to a leaf/spade style
FO, flatten, and attach horizontally at the back, matching direction in the photo