Skip to content

Small Fish Tank Filter

Fail

The top 5 brands take 95% of clicks, so Small Fish Tank Filter is a Fail.

Flapen Score
41
41 / 100
Ranks 3,275 of 3,978 Pet Supplies niches · −10 vs the category median of 51
Market size
$121K/yr71K searches / yr
90-day growth
-11.1%search demand this quarter
Competition
57%top-5 click share · 9 brands · 64 sellers

Flapen Score

Small Fish Tank Filter against its category

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

41Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Small Fish Tank Filter market on Amazon at a glance

Shoppers on Amazon United States searched for Small Fish Tank Filter 71K times last year and spent an estimated $121K. The top 5 brands take 95% of clicks. Flapen scores it 41 out of 100, a Fail.

01 · Demand

An estimated 13.3% of those searches ended in a purchase.

Shoppers searched for this 71K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 13.3% of those searches ended in a purchase. Searches in the last 90 days moved -11.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $121K a year.

Searches, last 12 months
71K
Growth, 90 days vs prior 90
-11.1%
Conversion, latest week
13.3%
Market size, estimated
$121Ka year
Peak month
August1.5× the quietest month
Top search term
aqueon replacement filter cartridges small18K searches a year

02 · Price

A sale here is worth $12.89.

Listings sell for $12.89 on average, from $4.20 to $29.55. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At $12.89 that is $6K to $10K a year per listing.

Average price
$12.89under the $15 to $100 sweet spot
Price range
$4.20–$29.55
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
8K–10K
Units per listing a year
500–750
Revenue per listing a year
$6K–$10K
Returns
2.9%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

67% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.4% of listings are out of stock. The average listing ranks #259 within Fish & Aquatic Pets. It carries 5,091 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
67%
Prime listings
100%
Out of stock, average day
0.4%
Average rank
#259in Fish & Aquatic Pets
Average rating
4.50 starsAmazon United States average 4.42 stars
Average reviews
5,091per listing
Listings tracked
27

04 · Newcomers

0 of last year's 5 launches cleared the first-year sales bar.

5 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 44 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
0Amazon's first-year sales bar
Average brand age
44 months

Products

Top Small Fish Tank Filter products & what they sell for

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

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 57% of clicks. Leaders hold, but buyers still shop past them.

Brands

9 rising

Sellers

64

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

57%

Top 20: 93%

Open market

4%

  • Brand 161%
  • Brand 213%
  • Brand 313%
  • Brand 44%
  • Brand 54%
  • Brand 62%
  • Open — no brand owns it (3 brands, 4%)

Demand

Small Fish Tank Filter search demand

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

12K8KPrime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Small Fish Tank Filter search terms shoppers use

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

  • aqueon replacement filter cartridges small18K/yr
  • aqueon filter small11K/yr
  • vibrant life fish tank filter9K/yr
  • aqueon small filter cartridges7K/yr
  • tetra whisper filter small6K/yr
  • small fish tank filter cartridge5K/yr
  • aqueon minibow filter3K/yr
  • small filter cartridges for fish tank3K/yr
  • small aquarium filter cartridge3K/yr
  • aqueon small filter3K/yr

Reviews and returns

What reviews say buyers love and hate about Small Fish Tank Filter

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

25%of positive reviews mention “Filtration”
24%of negative reviews mention “Durability”
2.9%of orders come back
“Breaks easily”
A buyer, on “Durability”24% 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.

17 topics

NegativePositive

FAQ

Common Small Fish Tank Filter questions

Answered from the same tracked data.