Free Crochet Cat Mermaid Amigurumi Pattern

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Designer: BumBee Crochet
Instagram: @bumbee_crochet
Etsy Shop: BumbeeCrochetDesigns

Let’s pick up our hooks and start something cute… 
If you’re dreaming of a magical crochet project that combines the cuteness of a kitten with the charm of the ocean, the Free Crochet Cat Mermaid Amigurumi Pattern by BumBee Crochet is the perfect choice! Designed by the talented Kristina, this adorable pattern captures the whimsical spirit of a mermaid cat — a creature straight out of a crochet fairy tale. With its delightful details and soft textures, it’s a must-try for any amigurumi lover looking to bring something unique and imaginative to life.

This step-by-step, beginner-friendly amigurumi pattern guides you through every stitch, making it easy to follow even if you’re new to crochet. By the end of the tutorial, you’ll have your very own Cat Mermaid to display, gift, or cherish as part of your handmade collection. And don’t miss the end of the pattern — we’ve included even more wonderful amigurumi cat mermaid ideas to keep your creativity flowing!

Abbreviations

MR: Magic ring
Ch: Chain
Sc: Single crochet
Dc: Double crochet
Hdc: Half double crochet
Slst: Slip stitch
Inc: Increase
Dec: Decrease
BLO: Back loop only
FLO: Front loop only

AMIGURUMI CAT MERMAID FREE PATTERN

Head

Rnd 1. 6 sc in MR
Rnd 2. inc*6 (12 st)
Rnd 3. (1 sc, inc)*6 (18 st)
Rnd 4. (2 sc, inc)*6 (24 st)
Rnd 5. (3 sc, inc)*6 (30 st)
Rnd 6. (4 sc, inc)*6 (36 st)
Rnd 7. (5 sc, inc)*6 (42 st)
Rnd 8. (6 sc, inc)*6 (48 st)
Rnd 9. 48 sc
Rnd 10. (7 sc, inc)*6 (54 st)
Rnd 11. 54 sc

Rnd 12. 54 sc
Rnd 13. 54 sc
Rnd 14. 54 sc
Rnd 15. 54 sc
Rnd 16. 54 sc
Rnd 17. 54 sc
Rnd 18. 54 sc
Rnd 19. (7 sc, dec)*6 (48 st)
Rnd 20. (6 sc, dec)*6 (42 st)
Rnd 21. (5 sc, dec) *8 (36 st)
Rnd 22. (4 sc, dec) *6 (30 st)
Rnd 23. (3 sc, dec) *6 (24 st)
Rnd 24. (4 sc, dec)*4 (20 st)
Fasten off. Leave a long tail for sewing.

Ears (Make 2)

Rnd 1. 6 sc in MR
Rnd 2. (1sc,inc)*3 (9st)
Rnd 3. (2sc,inc)*3 (12st)
Rnd 4. (3sc,inc)*3 (15st)
Rnd 5. 15 sc
Rnd 6. 7 sc don’t finish the row.
Fasten off, leave a long tail for sewing.

Arms (Make 2)

Rnd 1. 6 sc in MR
Rnd 2. (1sc,inc)*2 (8st)
Rnd 3-14. 8 sc (12 rows)
Fold the edges together and single crochet them with 4 sc.
Fasten off. Leave a long tail for sewing.

Tail and body

Start with the light blue color.
Rnd 1. 7 sc in MR
Rnd 2. inc*7 (14)
Rnd 3. 6 sc, inc, 5 sc, dec (14)
Rnd 4. 14 sc
Rnd 5. 5 sc, inc*2, 5 sc, dec (15)
Rnd 6. dec, 4 sc, inc*3, 6 sc (17)
Rnd 7. BLO: 7 sc, inc*2, 8 sc (19)
Rnd 8. 19 sc
Rnd 9. 9 sc, inc*2, 8 sc (21)
Rnd 10. BLO: 21 sc
Rnd 11. 10 sc, inc*2, 9 sc (23)
Rnd 12. 11 sc, inc, 11 sc (24)
Rnd 13. BLO: 24 sc
Rnd 14. (5sc,inc)*4 (28)
Rnd 15. 28 sc
Rnd 16. BLO: (6sc,inc)*4 (32)
Rnd 17. (7sc,inc)*4 (36)
Rnd 18. 36 sc

Change color to cream.
Rnd 19. BLO: 36 sc
Rnd 20-22. 36 sc (3 rows)
Rnd 23. (7sc,dec)*4 (32)
Rnd 24-26. 32 sc (3 rows)
Rnd 27. (6sc,dec)*4 (28)
Rnd 28. 28 sc
Rnd 29. (5sc,dec)*4 (24)
Rnd 30. 25 sc
Rnd 31. (4sc,dec)*4 (20)
Fasten off and cut the yarn. Leave a long tail for sewing.

You may also like Crochet Cute Cat Amigurumi Free Pattern

Flipper

Rnd 1. 4 sc in MR
Rnd 2. (1sc,inc)*2 (6)
Rnd 3. (1sc,inc)*3 (9)
Rnd 4. (2sc,inc)*3 (12)
Rnd 5. (3sc,inc)*3 (15)
Rnd 6. 15 sc
Rnd 7. 15 sc
Rnd 8. 15 sc
Rnd 9. (3sc,dec)*3 (12)
Rnd 10. (2sc,dec)*3 (9)
Rnd 11. (1sc,dec)*3 (6)
Fasten off, leaving a long tail for sewing.

Bikini top

In a MR- (cast on 3 ch and make a sl st in MR)*3, 3 sc in MR.
Tighten the MR. Fasten off, leave a long tail for sewing.

Assembly

Place safety eyes between rows 13 and 14 with 11 sc between them.
Embroider the nose and the eyelids with a black thread.
Embroider the inner part of the ear with a pink thread if you like and see the ears to the head.
Sew the head to the body.
Sew the arms to the body between rows 21 and 22.
Sew the bikini top to the body.

Turn the cat head down and attach the dark blue yarn to the remaining front loops of the row 16.
Crochet – (inc out of hdc, slst) till the end of the row.
Repeat for the remaining front loops of rows, 13, 10 and 7.
Attach the dark blue yarn to the remaining front loops of the row 19.
Crochet – 26 hdc, 2 slst, 8 hdc.

Amigurumi cat mermaid ideas you’ll adore: 

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