baby octopus costume
Skip itA small market ($3K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$24.80avg listing price — sweet spot $15–$100
Brand share
Great49%top-5 brand share — no brand owns this niche
Price range
Great$10.11–$48.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great33%top-5 click share — an open shelf
Review moat
Good959.22avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-19.7%90-day search growth — must beat 0% to launch
Returns
Bad9.8%return rate — above 5% kills the launch gate
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$3K$3K/yr · 24K searches
According to Flapen's Amazon United States niche tracking, baby octopus costume is a $3K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 41/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
baby octopus costume market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $2K–$6K
- units × avg price
- Conversion rate
- 0.4%
- Avg BSR
- #11,549
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 69%
- Out of stock
- 11.8%
- Avg brand age
- 38 months
- Avg seller age
- 189 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
32 rising
Sellers
48
Top-5 brand share
49%
Top 20: 92%
Top-5 click share
33%
Top 20: 75%
Open market
47%
- Fun Costumes17%
- Bamboo Little12%
- Dussdil8%
- Mieeyali8%
- COSUSKET5%
- Unpifolov4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.7% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 10.4×
Top baby octopus costume search terms
- baby octopus costume10K/yr
- octopus onesie6K/yr
- octopus onesie baby4K/yr
- octopus baby costume4K/yr
- baby octopus onesie759/yr
Top baby octopus 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fun Costumes Cozy Ocean Octopus Infant Costume | Adorable Undersea Creature Outfit for Babys Halloween & Dress-Up Fun - 6/9 Months - Orange
Fun Costumes$37.074.6★10 rev

Bamboo Little Soft Baby Footie Pajamas Baby Clothes Newborn Sleepers 95% Viscose and 5% Spandex Octopus 3-6 Months
Bamboo Little$34.214.6★597 rev

Dussdil Blue Octopus Fish Baby One-Piece Footies Newborn Rompers Pajamas Cotton Footed Pjs for Sleep Play Boys Girls 3M
Dussdil$21.284.9★16 rev

Mieeyali Halloween Newborn Baby Boy Girl Clothes Crab Crawfish Costume Gender Neutral Bodysuit Romper Sea Outfit (Orange 3-6 Months)
Mieeyali$15.934.2★33 rev

NOFO VIBES Squid Seafood Octopus Baby Bodysuit Funny Infant Outfit Unisex Cotton Clothes Short Sleeve Newborn (Natural 0-3M)
NOFO VIBES$27.900.0★0 rev
Newest
by launch date
NOFO VIBES Squid Seafood Octopus Baby Bodysuit Funny Infant Outfit Unisex Cotton Clothes Short Sleeve Newborn (Natural 0-3M)
NOFO VIBES$27.900 rev

Teahain Adult Onesie Animal Pajamas Unisex Cute Sleepwear Halloween Party Cosplay Costumes (Small White)
Teahain$39.7041 rev

Infant Sea Turtle Costume with Hooded Jumpsuit Mitts Shoe Covers and Shell for Halloween and Play Pretend Dress Up 6/9 Months
Fun Costumes$48.939 rev

Unpifolov Octopus Cosplay Costumes Unisex Animal Jumpsuit Red M
Unpifolov$16.8811 rev

Mieeyali Halloween Newborn Baby Boy Girl Clothes Crab Crawfish Costume Gender Neutral Bodysuit Romper Sea Outfit (Orange 3-6 Months)
Mieeyali$15.9333 rev
Trending
90-day click momentum
NOFO VIBES Squid Seafood Octopus Baby Bodysuit Funny Infant Outfit Unisex Cotton Clothes Short Sleeve Newborn (Natural 0-3M)
NOFO VIBES$27.900.0★

Baby Boy Girl Dinosaur Costume Cute Sleeveless Romper with Hat Newborn Infant Halloween Cosplay Clothes (Emerald 0-3 Months)
Dcohmch$19.964.6★

Supodon Adult Onesie Starfish Costume Unisex Halloween Cosplay Plush Animal Homewear Pajamas Sleepwear Jumpsuit Gifts for Women Men
Supodon$27.784.6★

Bamboo Little Soft Baby Footie Pajamas Baby Clothes Newborn Sleepers 95% Viscose and 5% Spandex Octopus 3-6 Months
Bamboo Little$34.214.6★

Teahain Adult Onesie Animal Pajamas Unisex Cute Sleepwear Halloween Party Cosplay Costumes (Small White)
Teahain$39.704.6★
What buyers say about baby octopus costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fits well”
“Good quality”
“Great value for your money”
“the bamboo is soft and stretchy”
“Perfect teen girl present”
“Exactly as pictured”
“It is so comfortable”
“Perfect for warm weather”
“Love the material quality”
“The design is just as pictured, and the colors and details are very cute”
What buyers complain about
“Run extremely small”
“bad quality”
“after 2 days of use it ripped”
“It isn't uncomfortable enough to make it unusable”
“Thin, not quite what we thought it would be”
“Material”
“I wish they depicted these features”
“Not Great Quality pockets ripped 1st time my son wore”
“My fault for not looking at the measurements before buying”
“It was not what I expected as far as color”
Top return reasons
Common questions
- Is baby octopus costume profitable to sell on Amazon United States?
- The niche generates $3K/yr across 49 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is -19.7%. Flapen's verdict: Skip it (41/100).
- How competitive is the baby octopus costume niche?
- 32 brands and 48 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 49% of demand.
- What do buyers complain about in baby octopus costume?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 9.8% — above our launch gate.
- When does demand for baby octopus costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 10.4× the quietest.
- What does it cost to enter the baby octopus costume niche?
- Listings span $10.11–$48.93; the average listing price is $24.80 (sweet spot $15–$100). The average incumbent carries 959 reviews — the moat a new listing must climb.