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Fish Tank Decorations

Maybe

An estimated 0.5% of orders come back. But demand is soft, at -23.7% this quarter, so Fish Tank Decorations is a Maybe.

Flapen Score
61
61 / 100
Top 10% of 875 Pet Supplies niches · +11 vs the category median of 50
Market size
£369K/yr1.6M searches / yr
90-day growth
-23.7%search demand this quarter
Competition
24%top-5 click share · 73 brands · 139 sellers

Flapen Score

Fish Tank Decorations against its category

The dotted line is the Pet Supplies average. Past it, Fish Tank Decorations is stronger. Inside it, weaker.

61Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Fish Tank Decorations market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fish Tank Decorations 1.6M times last year and spent an estimated £369K. The top 5 brands take 37% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

An estimated 2.5% of those searches ended in a purchase.

Shoppers searched for this 1.6M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.5% of those searches ended in a purchase. Searches in the last 90 days moved -23.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £369K a year.

Searches, last 12 months
1.6M
Growth, 90 days vs prior 90
-23.7%
Conversion, latest week
2.5%
Market size, estimated
£369Ka year
Peak month
February1.5× the quietest month
Top search term
fish tank decorations537K searches a year

02 · Price

A sale here is worth £9.53.

Listings sell for £9.53 on average, from £2.21 to £36.19. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 100 to 250 of them. At £9.53 that is £953 to £2K a year per listing.

Average price
£9.53under the $15 to $100 sweet spot
Price range
£2.21–£36.19
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
100–250
Revenue per listing a year
£953–£2K
Returns
0.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

88% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 3.2% of listings are out of stock. The average listing ranks #119 within Fish & Aquatic Pets. It carries 1,306 reviews at 4.30 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
96%
Out of stock, average day
3.2%
Average rank
#119in Fish & Aquatic Pets
Average rating
4.30 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,306per listing
Listings tracked
99

04 · Newcomers

1 of last year's 27 launches cleared the first-year sales bar.

27 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 30 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
27
Successful launches
1Amazon's first-year sales bar
Average brand age
30 months

Products

Top Fish Tank Decorations products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 24% of clicks, no more. An open shelf where new products get seen.

£0£7K£15K£22K£30K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

73 falling

Sellers

139

Est. top-5 brand share

37%

Top 20: 69%

Est. top-5 click share

24%

Top 20: 55%

Open market

59%

  • QUOZUO11%
  • QZQ10%
  • Unictop6%
  • emours5%
  • XUBX5%
  • k2aqua4%

Demand

Fish Tank Decorations search demand

Weekly searches over the year, seasonality beneath. Pick a range.

35K25KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Fish Tank Decorations search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • fish tank decorations537K/yr
  • fish tank accessories312K/yr
  • fish tank ornaments129K/yr
  • aquarium accessories83K/yr
  • aquarium decoration70K/yr
  • axolotl tank accessories62K/yr
  • aquarium ornaments70K/yr
  • tropical fish tank accessories55K/yr
  • aquarium decor38K/yr
  • fish tank ornaments large25K/yr

Reviews and returns

What reviews say buyers love and hate about Fish Tank Decorations

We read the reviews and the return reasons for every product selling here.

19%of positive reviews mention “Quality-Overall”
17%of negative reviews mention “Durability”
0.5%of orders come back
“Doesn't last”
A buyer, on “Durability”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

16 topics

NegativePositive

FAQ

Common Fish Tank Decorations questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data