Crochet Betta Fish Free Pattern

Crochet enthusiasts looking to add some aquatic charm to their creations will love this Crochet Betta Fish Pattern. With their flowing fins and brilliant colors, betta fish are some of the most captivating freshwater fish and now you can bring one to life with your crochet hook! This adorable pattern is perfect for adding a splash of color to your amigurumi collection, as a gift for fish lovers, or even as a keychain or decorative piece.

This betta fish is small but striking, measuring approximately 4 inches (10 cm) from nose to tail. You’ll work the body in the round and attach beautifully textured fins for a realistic, flowing look. If you’re confident with basic crochet stitches and techniques like increasing, decreasing, and sewing parts together, you’re ready to dive into this intermediate-level project!

📏 Finished Size

Approximately 4 inches (10 cm) from nose to tail, depending on your yarn, hook, and tension.

Crochet Betta Fish Free Pattern

🧶 Skill Level

Intermediate. You’ll need to know how to:

• Work in the round

🧵 Materials Needed

• 3-ply milk cotton in red, blue, and yellow

• 3.0 mm crochet hook

• 5 mm safety eyes (or small black beads)

• Fiberfill stuffing

• Tapestry needle

• Scissors

🧷 Abbreviations (US Terminology)

• MR = Magic Ring

• ch = Chain

• sc = Single Crochet

• inc = Increase (2 sc in same stitch)

• dec = Decrease (sc two stitches together)

• sl st = Slip Stitch

• BLO = Back Loop Only

• R = Round/Row

🐟 Betta Fish Crochet Pattern

Head + Body (Make 1)

This is the core of your fish, shaped like a capsule and worked from the front (nose) to the tail.

Start with red yarn.

• R1: MR, 4 sc [4]

• R2: inc in each st (4 times) [8]

• R3: (sc, inc) x 4 [12]

• R4–R5: sc around [12]

📍 Insert safety eyes between R4 and R5, then stuff the body.

🔄 Switch to alternating blue and yellow from R6–R13

• R6–R8: sc around [12]

• R9: (4 sc, dec) x 2 [10]

• R10: sc around [10]

• R11: (3 sc, dec) x 2 [8]

• R12: (2 sc, dec) x 2 [6]

• R13: Fold in half and close with 3 sc across both sides [3]
  Fasten off and leave a long tail for sewing.

Tail Fin (Make 1)

Use red yarn.

• R1: ch 15

• R2: (start in 3rd ch) 6 dc, 3 hdc, 2 sc, 2 sl st
  ch 1, turn

• R3: BLO – 2 sl st, 2 sc, 3 hdc, 6 dc
  ch 2, turn

• R4: (start from 3rd ch) BLO – 6 dc, 3 hdc, 2 sc, 2 sl st
  ch 1, turn

• R5–R10: Repeat R3 and R4 alternately
  Fasten off and weave in ends.

Top Fin (Fin 1 – Make 1)

• R1: ch 11

• R2: 6 hdc, 2 sc, 2 sl st
  ch 1, turn

• R3: BLO – 2 sl st, 2 sc, 6 hdc
  Repeat Rows 2 and 3 until you have 7 rows.
  Fasten off and weave in ends.

Bottom Fin (Fin 2 – Make 1)

• R1: ch 5

• R2: 4 hdc (starting in 2nd ch)
  ch 1, turn

• R3: BLO – 4 hdc
  ch 2, turn

• R4: BLO – 4 hdc, 1 sc
  ch 1, turn

• R5: BLO – 2 sc, 3 hdc
  ch 2, turn

• R6: BLO – 4 hdc, 1 sc, 1 sl st
  ch 1, turn

• R7: BLO – 1 sl st, 1 sc, 4 dc
  Fasten off and weave in ends.

Side Fins (Make 2)

• MR, 4 sc

• sl st to the first sc and fasten off
  Leave a long tail for sewing (or use glue if preferred).

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🧵 Assembly Instructions

Now it’s time to bring your Betta Fish to life!

1. Attach the tail fin to the back of the body using the long tail and tapestry needle.

2. Sew the top fin (Fin 1) to the upper body, positioning it from Round 8 to Round 11.

3. Sew the bottom fin (Fin 2) under the body, between Rounds 6 to 9.

4. Attach the side fins on both sides between Rounds 5 and 6. Use the yarn tails to sew securely or fabric glue for speed.

5. Weave in all loose ends, and shape the fins with your fingers for that flowing look.

The Crochet Betta Fish Pattern is the perfect blend of fun, color, and skill. Its compact size makes it great for gifts, decorations, or even as part of an ocean-themed mobile or amigurumi aquarium. Don’t be afraid to get creative with color combinations—betta fish are known for their vibrant, showy hues!