---
title: "dog shark costume — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/pet-supplies/dog-shark-costume"
last_updated: "2026-07-14T02:59:11.977Z"
locale: en
meta:
  description: "high returns (11.8%) — dog shark costume doesn't clear our bar today."
  "og:description": "high returns (11.8%) — dog shark costume doesn't clear our bar today."
  "og:title": "dog shark costume — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

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# **dog shark costume**

**Skip it**

High returns (11.8%) — this niche doesn't clear our bar today.

Market size 8Growth 69Conversion 15Competition 60Returns 1Price range 80Avg price 84Brand share 59Review moat 74Quality gap 81

**Avg price**

**Great****$18.67**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Price range**

**Great****$6.73–$52.18**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****528.73**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+50.2%**

90-day search growth — must beat 0% to launch

**Competition**

**Good****49%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****69%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Bad****1.2%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Bad****$31K**

$31K/yr · 140K searches

**Returns**

**Bad****11.8%**

return rate — above 6% kills the launch gate

## **Competition**

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▲rising

**Sellers**

**46**

**Top-5 brand share**

**69%**

**Open market**

**27%**

- Rubies25% - Puluole15% - Mogoko13% - California Costumes10% - PET KREWE UNLEASH THE PARADE6% - Zoo Snoods4%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$1K8%$2K12%$4K16%$5K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 33 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Rubies Shark Fin Pet Costume for Dogs or Cats S/M](https://m.media-amazon.com/images/I/31VpdV60jWL.jpg)**Rubies Shark Fin Pet Costume for Dogs or Cats S/M**Rubies**$10.74**3.7★744 rev](https://www.amazon.com/dp/B00WBBEP0C) [2![California Costumes The Great White Bark Costume Large for Small/Medium Sized Dogs](https://m.media-amazon.com/images/I/41GV-rK1bgL.jpg)**California Costumes The Great White Bark Costume Large for Small/Medium Sized Dogs**California Costumes**$23.20**3.8★10 rev](https://www.amazon.com/dp/B0CHXV7DPK) [3![Rubies Shark Fin Pet Costume for Dogs or Cats M/L](https://m.media-amazon.com/images/I/4189-JnXI1L.jpg)**Rubies Shark Fin Pet Costume for Dogs or Cats M/L**Rubies**$12.68**3.7★744 rev](https://www.amazon.com/dp/B00WBBEP70) [4![Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(S)](https://m.media-amazon.com/images/I/415F4k-Ak6L.jpg)**Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(S)**Puluole**$12.98**3.7★21 rev](https://www.amazon.com/dp/B0FKBM46S8) [5![Mogoko Funny Dog Cat Shark Costumes Pet Halloween Christmas Cosplay Dress Adorable Blue Shark Pet Costume Animal Fleece Hoodie Warm Outfits Clothes (L Size)](https://m.media-amazon.com/images/I/41iDdqlrNTL.jpg)**Mogoko Funny Dog Cat Shark Costumes Pet Halloween Christmas Cosplay Dress Adorable Blue Shark Pet Costume Animal Fleece Hoodie Warm Outfits Clothes (L Size)**Mogoko**$17.31**4.3★2,589 rev](https://www.amazon.com/dp/B01MAVZU2D)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![NACOCO Halloween Shark Dog Costume - Pet Christmas New Year Hoodie Warm Party Coat Outfit for Small and Medium Cat Dog Clothes(Blue Shark M)](https://m.media-amazon.com/images/I/31HAk8Xy2IL.jpg)**NACOCO Halloween Shark Dog Costume - Pet Christmas New Year Hoodie Warm Party Coat Outfit for Small and Medium Cat Dog Clothes(Blue Shark M)**NACOCO**$20.71**188 rev11mo ago](https://www.amazon.com/dp/B0FKMM4MQ4) [![NACOCO Halloween Shark Dog Costume - Pet Christmas New Year Hoodie Warm Party Coat Outfit for Small and Medium Cat Dog Clothes(Blue Shark L)](https://m.media-amazon.com/images/I/3186NCs7JZL.jpg)**NACOCO Halloween Shark Dog Costume - Pet Christmas New Year Hoodie Warm Party Coat Outfit for Small and Medium Cat Dog Clothes(Blue Shark L)**NACOCO**$21.05**188 rev11mo ago](https://www.amazon.com/dp/B0FKMSN32X) [![Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(S)](https://m.media-amazon.com/images/I/415F4k-Ak6L.jpg)**Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(S)**Puluole**$12.98**21 rev11mo ago](https://www.amazon.com/dp/B0FKBM46S8) [![Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(XS)](https://m.media-amazon.com/images/I/415F4k-Ak6L.jpg)**Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(XS)**Puluole**$13.05**21 rev11mo ago](https://www.amazon.com/dp/B0FKBKLD9Z) [![Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(L)](https://m.media-amazon.com/images/I/415F4k-Ak6L.jpg)**Shark Dogs Costume for Winter Small and Medium-Sized Shark Dog Jacket Sharks Dog Vest for Cold Weather Fleece Puppy Hoodie Sharks Pet Costume for Cat and Dogs(L)**Puluole**$12.65**21 rev11mo ago](https://www.amazon.com/dp/B0FKBFDRJZ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Fragralley Shark Dog Life Jacket Adjustable Dog Life Vest with Shark Fin Suit for Small Medium Large Dog Life Vest for Swimming and Boating](https://m.media-amazon.com/images/I/51UdLMbKaTL.jpg)**Fragralley Shark Dog Life Jacket Adjustable Dog Life Vest with Shark Fin Suit for Small Medium Large Dog Life Vest for Swimming and Boating**Fragralley**$26.59**4.6★**▲ 575%**](https://www.amazon.com/dp/B09Q553W6M) [![Fragralley Shark Dog Life Jacket Adjustable Dog Life Vest with Shark Fin Suit for Small Medium Large Dog Life Vest for Swimming and Boating](https://m.media-amazon.com/images/I/51UdLMbKaTL.jpg)**Fragralley Shark Dog Life Jacket Adjustable Dog Life Vest with Shark Fin Suit for Small Medium Large Dog Life Vest for Swimming and Boating**Fragralley**$20.26**4.6★**▲ 364%**](https://www.amazon.com/dp/B09Q61SD36) [![ARUNNERS Large Dog Costume Hoodie Shark 7XL](https://m.media-amazon.com/images/I/41WP7ukSzqL.jpg)**ARUNNERS Large Dog Costume Hoodie Shark 7XL**ARUNNERS**$52.18**5.0★**▲ 361%**](https://www.amazon.com/dp/B0CFQXV21Z) [![Zoo Snoods Blue Shark Costume - Warm Knit Dog Snood Wrap for Pets Neck Ear Cover Protection Halloween Winter (Medium)](https://m.media-amazon.com/images/I/41xYc8XtSuL.jpg)**Zoo Snoods Blue Shark Costume - Warm Knit Dog Snood Wrap for Pets Neck Ear Cover Protection Halloween Winter (Medium)**Zoo Snoods**$25.18**4.7★**▲ 252%**](https://www.amazon.com/dp/B0922471HK) [![Bess Bridal Dog Life Jacket - Shark Life Vest for Swimming Boating - Reflective Lifejacket Swimsuit for Small Medium Large Dogs - High Buoyancy Lifesaver Preserver with Rescue Handle Grey Shark M](https://m.media-amazon.com/images/I/41T-1EEfGsL.jpg)**Bess Bridal Dog Life Jacket - Shark Life Vest for Swimming Boating - Reflective Lifejacket Swimsuit for Small Medium Large Dogs - High Buoyancy Lifesaver Preserver with Rescue Handle Grey Shark M**Bess Bridal**$22.67**4.6★**▲ 217%**](https://www.amazon.com/dp/B07B6LLNP9)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +50.2% search growth over the last 90 days.

20K15KSpike '24Holiday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 28.9×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**27%

*“It fits great”*

**Quality-Overall**20%

*“Seemed well made”*

**Soft Feel**14%

*“Super cute and soft,”*

**Comfort-Overall**12%

*“comfortable”*

**Durability**5%

*“Lasted through several trick or treats”*

**Grip**3%

*“it didnt slide around”*

**Color**3%

*“Many colors and sizes”*

**Strap/String Quality**3%

*“Straps fit her well”*

**Material Quality**2%

*“The material is thick and sturdy and feels like it is made to last”*

**Ease Of Use**2%

*“it is easy to get on an off”*

### **What buyers complain about **

**Size-Overall**75%

*“Runs small”*

### **Top return reasons **

**Size-Overall**86%

**Advertised Vs Actual Product**3%

**Strap/String Quality**2%

**Shoulder Fit**2%

**Arm Fit**1%

**Value For Money**1%

**Functionality-Overall**1%

**Quality-Overall**1%

**Material Quality**1%

**Defective Material/Parts**1%