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Fish Breeding Box

Maybe

The products selling today average only 3.9★. But shoppers spend an estimated $48K a year here, so Fish Breeding Box is a Maybe.

Flapen Score
52
52 / 100
Top 38% of 875 Pet Supplies niches · +2 vs the category median of 50
Market size
£48K/yr108K searches / yr
90-day growth
-20.9%search demand this quarter
Competition
38%top-5 click share · 28 brands · 38 sellers

Flapen Score

Fish Breeding Box against its category

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

52Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Fish Breeding Box market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Fish Breeding Box 108K times last year and spent an estimated £48K. The top 5 brands take 60% of clicks. Flapen scores it 52 out of 100, a Maybe.

01 · Demand

An estimated 6.3% of those searches ended in a purchase.

Shoppers searched for this 108K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 6.3% of those searches ended in a purchase. Searches in the last 90 days moved -20.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £48K a year.

Searches, last 12 months
108K
Growth, 90 days vs prior 90
-20.9%
Conversion, latest week
6.3%
Market size, estimated
£48Ka year
Top search term
fish breeding box28K searches a year

02 · Price

A sale here is worth £7.19.

Listings sell for £7.19 on average, from £4.06 to £23.75. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £7.19 that is £719 to £2K a year per listing.

Average price
£7.19under the $15 to $100 sweet spot
Price range
£4.06–£23.75
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£719–£2K
Returns
2.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

82% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 19.9% of listings are out of stock. The average listing ranks #62 within Fish & Aquatic Pets. It carries 1,211 reviews at 3.93 stars, so a new listing needs social proof before a better product.

Sponsored listings
82%
Prime listings
100%
Out of stock, average day
19.9%
Average rank
#62in Fish & Aquatic Pets
Average rating
3.93 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,211per listing
Listings tracked
39

04 · Newcomers

0 of last year's 12 launches cleared the first-year sales bar.

12 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
12
Successful launches
0Amazon's first-year sales bar
Average brand age
33 months

Products

Top Fish Breeding Box 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 38% of clicks, no more. An open shelf where new products get seen.

£0£2K£4K£6K£8K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

28 flat

Sellers

38

Est. top-5 brand share

60%

Top 20: 93%

Est. top-5 click share

38%

Top 20: 79%

Open market

36%

  • Uniclife28%
  • Pawfly17%
  • Fluval7%
  • BORFUE5%
  • IRYNA4%
  • Amtra4%

Demand

Fish Breeding Box search demand

Weekly searches over the year. Pick a range.

2K2KMar '26Apr '26May '26May '26Jun '26Jul '26

Search terms

Top Fish Breeding Box search terms shoppers use

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

  • fish breeding box28K/yr
  • breeding box for fish tank18K/yr
  • baby fish separator for tank13K/yr
  • breeding tanks for fish10K/yr
  • aquarium breeding box6K/yr
  • fish fry box5K/yr
  • fish tank separator9K/yr
  • fish breeder box5K/yr
  • guppy breeding box5K/yr
  • baby fish tank4K/yr

Reviews and returns

What reviews say buyers love and hate about Fish Breeding Box

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

19%of positive reviews mention “Quality-Overall”
20%of negative reviews mention “Size-Overall”
2.4%of orders come back
“To small”
A buyer, on “Size-Overall”20% 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 Breeding Box 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