mermaid tail
Worth a lookShows a fragmented shelf (top 5 take 27% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Great27%top-5 click share — an open shelf
Review moat
Great279.06avg incumbent reviews — the moat a new listing must climb
Price range
Great£5.99–£72.94cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great£17.78avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+42.5%90-day search growth — must beat 0% to launch
Brand share
Good71%top-5 brand share — brands hold most of the demand
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Market size
Bad£42K£42K/yr · 244K searches
According to Flapen's Amazon United Kingdom niche tracking, mermaid tail is a £42K/yr Amazon United Kingdom market (244K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul–Aug–Dec. Verdict: Worth a look — 58/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
mermaid tail market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- £53K–£71K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #656
- Page quality
- 0%
- Prime
- 79%
- Sponsored
- 82%
- Out of stock
- 13.0%
- Avg brand age
- 32 months
- Avg seller age
- 173 days
Competition & brand share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
32 rising
Sellers
40
Top-5 brand share
71%
Top 20: 93%
Top-5 click share
27%
Top 20: 60%
Open market
26%
- Catalonia Classy28%
- NAITOKE13%
- Lito Angels13%
- Dtiaagto12%
- WERNNSAI5%
- Mermaid Planet3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +42.5% search growth over the last 90 days.Peak months: Jul, Aug, Dec · busiest ÷ quietest = 2.4×
Top mermaid tail search terms
- mermaid tail77K/yr
- mermaid tail for swimming53K/yr
- mermaid tail for swimming kids11K/yr
- mermaid tail blanket39K/yr
- mermaid tail kids9K/yr
- mermaid tails8K/yr
- kids mermaid tail for swimming5K/yr
- mermaid blanket14K/yr
- mermaid swimming tail6K/yr
- mermaid tail swimming4K/yr
Top mermaid tail 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
Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£13.294.2★8 rev
Dtiaagto Girls Mermaid Swimsuit Girls Swimwear Tankini Bathing Suits with Boyshort Rainbow Summer Quick Dry Mermaid Skirt Size 7 8 Rainbow
Dtiaagto£29.580.0★0 rev
Lito Angels Girls Fish Scale 3-Piece Skirt Bikini Green Age 4-5 Years
Lito Angels£14.983.5★18 rev
Catalonia Classy Kit Mermaid Tail Blanket with Flannel Fleece Mermaid Fin Cuddle Blanket Sofa Sleeping Bag Camping Travel All Season Warm Washable Fluorescent Unicorn 155 x 51 cm
Catalonia Classy£13.814.4★391 rev
Dtiaagto Mermaid Bathing Suit for Girls Cute Swimsuits Tankini Swimsuits with Short Rainbow Beach Rash Guard Swimwear 5t 6t Swimsuit Girls Rainbow
Dtiaagto£29.560.0★0 rev
Newest
by launch dateDtiaagto Girls Mermaid Swimsuit Girls Swimwear Tankini Bathing Suits with Boyshort Rainbow Summer Quick Dry Mermaid Skirt Size 7 8 Rainbow
Dtiaagto£29.580 rev
Dtiaagto Mermaid Bathing Suit for Girls Cute Swimsuits Tankini Swimsuits with Short Rainbow Beach Rash Guard Swimwear 5t 6t Swimsuit Girls Rainbow
Dtiaagto£29.560 rev
Dtiaagto Mermaid Swimsuit for Girls Little Girls Swimsuit Cute Bathing Suits Tankini Swimsuits with Short Rainbow Size 6 7 Rainbow
Dtiaagto£29.710 rev
Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£13.298 rev
Catalonia Classy Mermaid Tail Blanket Fish Scale Pattern Snuggle Blanket for Girls Woman Ultra Soft Fleece Sleeping Throw for Kids Cozy Mermaid Gift for Adult Toddlers
Catalonia Classy£12.188 rev
Trending
90-day click momentumDtiaagto Mermaid Swimsuit for Girls Little Girls Swimsuit Cute Bathing Suits Tankini Swimsuits with Short Rainbow Size 6 7 Rainbow
Dtiaagto£29.710.0★
NAITOKE Mermaid Tails for Swimming for Adults with Monofin
NAITOKE£29.965.0★
NAITOKE Mermaid Tails for Swimming for Adults with Monofin
NAITOKE£29.665.0★
Dtiaagto Girls Mermaid Swimsuit Girls Swimwear Tankini Bathing Suits with Boyshort Rainbow Summer Quick Dry Mermaid Skirt Size 7 8 Rainbow
Dtiaagto£29.580.0★
NAITOKE Mermaid Tails for Swimming for Adults with Monofin
NAITOKE£29.755.0★
What buyers say about mermaid tail
What buyers praise and complain about, mined from review topics.What buyers love
“All items are well made”
“Granddaughter loves this thw material is soft”
“Perfect fit”
“Id say its a good budget option for a girls swimsuit that looks nice”
“Comfortable”
“Perfect for a gift”
“Its a beautiful colour”
“Exactly as described”
“And lastly theres a pretty flared skirt that has an elasticated waist”
“is lovely and soft to keep you warm”
What buyers complain about
“This is quite expensive for the quality of it”
“A bit big”
“Cheap material”
“a little thin”
“No clear size advertised”
“Not worth the price”
“Stained”
“Only downside is some of the jewellery needs glueing back together i. e the earrings”
“I dont think there will be much warmth from it”
“imagine how wrinkly your skin would get”
Top return reasons
Common questions
- Is mermaid tail profitable to sell on Amazon United Kingdom?
- The niche generates £42K/yr across 71 tracked products. 0 of 20 products launched in the last 360 days are still selling. 90-day search growth is +42.5%. Flapen's verdict: Worth a look (58/100).
- How competitive is the mermaid tail niche?
- 32 brands and 40 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in mermaid tail?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Material Quality. The return rate is 2.1%.
- When does demand for mermaid tail peak?
- Demand peaks in Jul–Aug–Dec; the busiest month runs 2.4× the quietest.
- What does it cost to enter the mermaid tail niche?
- Listings span £5.99–£72.94; the average listing price is £17.78 (sweet spot $15–$100). The average incumbent carries 279 reviews — the moat a new listing must climb.