dog shark costume
Skip itHigh returns (11.8%) — this niche doesn't clear our bar today.
Avg price
Great$18.67avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Great$6.73–$52.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good528.73avg incumbent reviews — the moat a new listing must climb
Growth
Good+50.2%90-day search growth — must beat 0% to launch
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Brand share
Good69%top-5 brand share — brands hold most of the demand
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Market size
Bad$31K$31K/yr · 140K searches
Returns
Bad11.8%return rate — above 6% kills the launch gate
According to Flapen's Amazon United States niche tracking, dog shark costume is a $31K/yr Amazon United States market (140K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
dog shark costume market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $37K–$47K
- units × avg price
- Launch success
- 0%
- 0 of 6 new (360d)
- Conversion rate
- 1.2%
- Avg BSR
- #965
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 64%
- Out of stock
- 7.7%
- Avg brand age
- 44 months
- Avg seller age
- 204 days
Competition & brand share
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%
Top 20: 100%
Top-5 click share
49%
Top 20: 87%
Open market
27%
- Rubies25%
- Puluole15%
- Mogoko13%
- California Costumes10%
- PET KREWE UNLEASH THE PARADE6%
- Zoo Snoods4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +50.2% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 28.9×
Top dog shark costume search terms
- dog shark costume42K/yr
- shark dog costume35K/yr
- shark costume for dog22K/yr
- dog shark fin9K/yr
- shark fin for dog5K/yr
- shark costume for dogs4K/yr
- shark costume dog5K/yr
- dog costume shark5K/yr
- dog shark costume large4K/yr
- dog shark costume xl7K/yr
Top dog shark costume products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 33 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rubies Shark Fin Pet Costume for Dogs or Cats S/M
Rubies$10.743.7★744 rev
California Costumes The Great White Bark Costume Large for Small/Medium Sized Dogs
California Costumes$23.203.8★10 rev
Rubies Shark Fin Pet Costume for Dogs or Cats M/L
Rubies$12.683.7★744 rev
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$12.983.7★21 rev
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$17.314.3★2,589 rev
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)
NACOCO$20.71188 rev
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$21.05188 rev
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$12.9821 rev
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$13.0521 rev
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$12.6521 rev
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
Fragralley$26.594.6★
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$20.264.6★
ARUNNERS Large Dog Costume Hoodie Shark 7XL
ARUNNERS$52.185.0★
Zoo Snoods Blue Shark Costume - Warm Knit Dog Snood Wrap for Pets Neck Ear Cover Protection Halloween Winter (Medium)
Zoo Snoods$25.184.7★
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$22.674.6★
What buyers say about dog shark costume
What buyers praise and complain about, mined from review topics.What buyers love
“It fits great”
“Seemed well made”
“Super cute and soft,”
“comfortable”
“Lasted through several trick or treats”
“it didnt slide around”
“Many colors and sizes”
“Straps fit her well”
“The material is thick and sturdy and feels like it is made to last”
“it is easy to get on an off”
What buyers complain about
“Runs small”
Top return reasons
Common questions
- Is dog shark costume profitable to sell on Amazon United States?
- The niche generates $31K/yr across 33 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +50.2%. Flapen's verdict: Skip it (48/100).
- How competitive is the dog shark costume niche?
- 18 brands and 46 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in dog shark costume?
- Top complaints mined from reviews: Size-Overall. The return rate is 11.8% — above our launch gate.
- When does demand for dog shark costume peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 28.9× the quietest.
- What does it cost to enter the dog shark costume niche?
- Listings span $6.73–$52.18; the average listing price is $18.67 (sweet spot $15–$100). The average incumbent carries 529 reviews — the moat a new listing must climb.