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30 Gallon Fish Tank

Fail

Prices span $18.64–$2431.46, mostly outside the sweet spot, so 30 Gallon Fish Tank is a Fail.

Flapen Score
37
37 / 100
Ranks 3,590 of 3,978 Pet Supplies niches · −14 vs the category median of 51
Market size
$112K/yr124K searches / yr
90-day growth
-4.6%search demand this quarter
Competition
52%top-5 click share · 17 brands · 23 sellers

Flapen Score

30 Gallon Fish Tank against its category

The dotted line is the Pet Supplies average. Past it, 30 Gallon Fish Tank is stronger. Inside it, weaker.

37Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 30 Gallon Fish Tank market on Amazon at a glance

Shoppers on Amazon United States searched for 30 Gallon Fish Tank 124K times last year and spent an estimated $112K. The top 5 brands take 83% of clicks. Demand peaks in Jan–Dec. Flapen scores it 37 out of 100, a Fail.

01 · Demand

An estimated 0.4% of those searches ended in a purchase.

Shoppers searched for this 124K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.4% of those searches ended in a purchase. Searches in the last 90 days moved -4.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $112K a year.

Searches, last 12 months
124K
Growth, 90 days vs prior 90
-4.6%
Conversion, latest week
0.4%
Market size, estimated
$112Ka year
Peak month
December2.2× the quietest month
Top search term
20 gallon aquarium63K searches a year

02 · Price

A sale here is worth $210.54.

Listings sell for $210.54 on average, from $18.64 to $2431.46. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $210.54 that is $0 to $21K a year per listing.

Average price
$210.54above the $15 to $100 sweet spot
Price range
$18.64–$2431.46
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
250–500
Units per listing a year
0–100
Revenue per listing a year
$0–$21K
Returns
5.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

66% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 19.6% of listings are out of stock. The average listing ranks #115 within Fish & Aquatic Pets. It carries 1,398 reviews at 4.07 stars, so a new listing needs social proof before a better product.

Sponsored listings
66%
Prime listings
93%
Out of stock, average day
19.6%
Average rank
#115in Fish & Aquatic Pets
Average rating
4.07 starsAmazon United States average 4.42 stars
Average reviews
1,398per listing
Listings tracked
29

04 · Newcomers

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

12 products launched here in the last 12 months. 6 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 36 months on average, so the names here are settling in.

Launched, last 12 months
12
Successful launches
6Amazon's first-year sales bar
Average brand age
36 months

Products

Top 30 Gallon Fish Tank 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 52% of clicks. Leaders hold, but buyers still shop past them.

Brands

17 flat

Sellers

23

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

52%

Top 20: 91%

Open market

15%

  • Brand 140%
  • Brand 219%
  • Brand 310%
  • Brand 47%
  • Brand 57%
  • Brand 63%
  • Open — no brand owns it (11 brands, 15%)

Demand

30 Gallon Fish Tank search demand

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

8K6KHoliday '24Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.2×

Search terms

Top 30 Gallon Fish Tank search terms shoppers use

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

  • 20 gallon aquarium63K/yr
  • aquarium 20 gallon11K/yr
  • 20 gallon aquarium kit12K/yr
  • fish tank 20+ gallon9K/yr
  • 20 gallon tall fish tank6K/yr
  • huge fish tank4K/yr
  • 10 gallon acrylic aquarium4K/yr
  • aquariums 20 gallon5K/yr
  • aquarium large3K/yr
  • aquarium tank 20 gallon2K/yr

Reviews and returns

What reviews say buyers love and hate about 30 Gallon Fish Tank

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

17%of positive reviews mention “Quality-Overall”
19%of negative reviews mention “Filtration”
5.1%of orders come back
“Not a great filter”
A buyer, on “Filtration”19% 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.

19 topics

NegativePositive

FAQ

Common 30 Gallon Fish Tank questions

Answered from the same tracked data.