Skip to content

Fish Tank

Maybe

The products selling today average only 3.9★. But buyers convert on only 0.4% of searches, so Fish Tank is a Maybe.

Flapen Score
56
56 / 100
Top 24% of 875 Pet Supplies niches · +6 vs the category median of 50
Market size
£487K/yr2.4M searches / yr
90-day growth
-20.0%search demand this quarter
Competition
40%top-5 click share · 21 brands · 33 sellers

Flapen Score

Fish Tank against its category

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

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Fish Tank market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fish Tank 2.4M times last year and spent an estimated £487K. The top 5 brands take 61% of clicks. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

0.4% of searches ended in a purchase last week.

Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 0.4% of those searches ended in a purchase. Searches in the last 90 days moved -20.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £487K a year.

Searches, last 12 months
2.4M
Growth, 90 days vs prior 90
-20.0%
Conversion, latest week
0.4%
Market size, estimated
£487Ka year
Peak month
February1.3× the quietest month
Top search term
fish tank1.2M searches a year

02 · Price

A sale here is worth £47.02.

Listings sell for £47.02 on average, from £12.25 to £201.27. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 100 to 250 of them. At £47.02 that is £5K to £12K a year per listing.

Average price
£47.02inside the $15 to $100 sweet spot
Price range
£12.25–£201.27
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
100–250
Revenue per listing a year
£5K–£12K
Returns
3.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

71% of listings pay for placement with sponsored ads. 63% ship with Prime. On an average day, 14.5% of listings are out of stock. The average listing ranks #37 within Fish & Aquatic Pets. It carries 422 reviews at 3.94 stars, so a new listing needs social proof before a better product.

Sponsored listings
71%
Prime listings
63%
Out of stock, average day
14.5%
Average rank
#37in Fish & Aquatic Pets
Average rating
3.94 starsAmazon United Kingdom average 4.36 stars
Average reviews
422per listing
Listings tracked
41

04 · Newcomers

Amazon counts 5 of last year's 13 launches as successful.

13 products launched here in the last 12 months. Amazon counts 5 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
13
Successful launches
5Amazon's first-year sales bar
Average brand age
35 months

Products

Top Fish Tank products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 40% of clicks. Leaders hold, but buyers still shop past them.

£0£19K£39K£58K£78K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

21 falling

Sellers

33

Top-5 brand share

61%

Top 20: 99%

Top-5 click share

40%

Top 20: 77%

Open market

33%

  • Craftsboys25%
  • Swell UK11%
  • Diversa11%
  • Pets Instinct7%
  • Fluval7%
  • YISITONG6%

Demand

Fish Tank search demand

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

60K40KHoliday '24Prime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Fish Tank search terms shoppers use

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

  • fish tank1.2M/yr
  • aquarium362K/yr
  • small fish tank130K/yr
  • fish tanks132K/yr
  • tropical fish tank85K/yr
  • betta fish tank54K/yr
  • axolotl tank30K/yr
  • large fish tank37K/yr
  • fish tanks for sale42K/yr
  • shrimp tank33K/yr

Reviews and returns

What reviews say buyers love and hate about Fish Tank

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Filtration23%−0.31

Poor filter

Filter didnt work

Filter failure

Size-Overall16%

Too small

But a very Tiny tank

Tiny Tank

Leak-Proof9%

Leaking tank

Leaks

Leaking Tank

Quality-Overall5%+0.79

its really poor quality

filters sponges are bad quality

Garbage

Durability5%−0.07

Broke

The light switch broke within one week

the light has broken within a two week window of use

Love

Value For Money15%+1.50

Excellent value for money

Excellent value for money

Good price

Quality-Overall14%+0.79

Good Quality Tank

Great quality glass

Fantastic quality

Filtration10%−0.31

Filtration works perfectly

filter works well

Easy to change filter

Size-Overall8%

Not too small not too big

Perfect size

It's the right size for what we needed for the living room

Design-Overall4%+0.18

Design is cool

beautifully designed

Seems well built

Return

3.0% Return rate 61% Fixable by listing

Size-Overall52%▆██▇▇▆

Too small

But a very Tiny tank

Tiny Tank

Filtration11%▆▆▆▇██

Poor filter

Filter didnt work

Filter failure

Leak-Proof8%█▄▅▆▃▅

Leaking tank

Leaks

Leaking Tank

Defective Material/Parts7%█▅▆█▄▆

Faulty

Defective item

The pump I received is defective

Functionality-Overall3%▃▁▄▄▄█

pump doesn't work

Doesnt work

Not only does the light not work

FAQ

Common Fish Tank questions

Answered from the same tracked data.