Fish Tank
MaybeShoppers spend an estimated $5.2M a year here. But buyers convert on only 0.7% of searches, so Fish Tank is a Maybe.
- Flapen Score
- 57 / 100Top 22% of 3,978 Pet Supplies niches · +6 vs the category median of 5157
- Market size
- $5.2M/yr10.0M searches / yr
- 90-day growth
- -10.5%search demand this quarter
- Competition
- 30%top-5 click share · 30 brands · 40 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.
Market
The Fish Tank market on Amazon at a glance
Shoppers on Amazon United States searched for Fish Tank 10.0M times last year and spent an estimated $5.2M. The top 5 brands take 57% of clicks. Flapen scores it 57 out of 100, a Maybe.
01 · Demand
An estimated 0.7% of those searches ended in a purchase.
Shoppers searched for this 10.0M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved -10.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $5.2M a year.
- Searches, last 12 months
- 10.0M
- Growth, 90 days vs prior 90
- -10.5%
- Conversion, latest week
- 0.7%
- Market size, estimated
- $5.2Ma year
- Peak month
- August1.2× the quietest month
- Top search term
- fish tank3.4M searches a year
02 · Price
A sale here is worth $72.90.
Listings sell for $72.90 on average, from $2.92 to $368.31. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 500 to 750 of them. At $72.90 that is $36K to $55K a year per listing.
- Average price
- $72.90inside the $15 to $100 sweet spot
- Price range
- $2.92–$368.31
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $36K–$55K
- Returns
- 6.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
82% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 8.9% of listings are out of stock. The average listing ranks #23 within Fish & Aquatic Pets. It carries 1,778 reviews at 4.18 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 97%
- Out of stock, average day
- 8.9%
- Average rank
- #23in Fish & Aquatic Pets
- Average rating
- 4.18 starsAmazon United States average 4.42 stars
- Average reviews
- 1,778per listing
- Listings tracked
- 67
04 · Newcomers
18 of last year's 20 launches cleared the first-year sales bar.
20 products launched here in the last 12 months. 18 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 37 months on average, so the names here are settling in.
- Launched, last 12 months
- 20
- Successful launches
- 18Amazon's first-year sales bar
- Average brand age
- 37 months
Products
Top Fish Tank 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
AQUANEAT Fish Tank 1 Gallon Betta Fish Tank Small Aquarium Kit with LED Light and Water Filter Pump
- Price
- $25.48
- Rating
- 3.7/5
- Reviews
- 201
- Age
- 1y ago

Penn-Plax Quick-Net Aquarium Fish Net - 4 x 3 in Fine Mesh 10 in Vinyl-Covered Braided Handle - Small Aquarium Cleaning Tool for Gentle Fish Handling - Use in Freshwater & Saltwater Tanks - Blue
- Price
- $2.92
- Rating
- 4.6/5
- Reviews
- 33,428
- Age
- 21y ago

Vehipa Fish Tank 2.4 Gallon Fish Aquarium Fish Tank Starter kit with Smart Humidifier Temperature Display 7-Color Lighting 3 in 1 Quiet Pump with Filteration & Oxygenation & Circulation
- Price
- $55.28
- Rating
- 4.1/5
- Reviews
- 441
- Age
- 1y ago

3.5 Gallon Betta Fish Tank All in One Aquarium Starter Kits with Back Filter Adjustable Pump 25W Heater LED Thermometer LED Light with Timer & Water Changer Kit Gifts for Mom Wife
- Price
- $68.69
- Rating
- 4.2/5
- Reviews
- 245
- Age
- 5mo ago

Tetra Aquarium 20 Gallon Complete Tropical Fish Tank Kit With LED Lighting And Decor For Freshwater Fish
- Price
- $123.28
- Rating
- 4.3/5
- Reviews
- 3,796
- Age
- 10y ago
Trending
estimated 90-day click momentum
AQUASMITH Betta Fish Tank 2 Gallon All-in-One Aquarium Kit with Filtration & LED Light Self-Cleaning Aquarium for Beginners Kids Gifts for MenTeen Boys
- Price
- $62.79
- Rating
- 4.6/5
- Reviews
- 46
- Age
- 11mo ago

Vehipa Betta Fish Tank 1 Gal (3.7L) Acrylic Nano Aquarium Kit Black
- Price
- $29.31
- Rating
- 4.2/5
- Reviews
- 83
- Age
- 5mo ago

Penn-Plax Quick-Net Aquarium Fish Net - 4 x 3 in Fine Mesh 10 in Vinyl-Covered Braided Handle - Small Aquarium Cleaning Tool for Gentle Fish Handling - Use in Freshwater & Saltwater Tanks - Blue
- Price
- $2.92
- Rating
- 4.6/5
- Reviews
- 33,428
- Age
- 21y ago

AQUANEAT Fish Tank 1 Gallon Betta Fish Tank Small Aquarium Kit with LED Light and Water Filter Pump
- Price
- $25.48
- Rating
- 3.7/5
- Reviews
- 201
- Age
- 1y ago

3.5 Gallon Betta Fish Tank All in One Aquarium Starter Kits with Back Filter Adjustable Pump 25W Heater LED Thermometer LED Light with Timer & Water Changer Kit Gifts for Mom Wife
- Price
- $68.69
- Rating
- 4.2/5
- Reviews
- 245
- Age
- 5mo ago
Newest
by launch date
3.5 Gallon Betta Fish Tank All in One Aquarium Starter Kits with Back Filter Adjustable Pump 25W Heater LED Thermometer LED Light with Timer & Water Changer Kit Gifts for Mom Wife
- Price
- $68.69
- Rating
- 4.2/5
- Reviews
- 245
- Age
- 5mo ago

Vehipa Betta Fish Tank 1 Gal (3.7L) Acrylic Nano Aquarium Kit Black
- Price
- $29.31
- Rating
- 4.2/5
- Reviews
- 83
- Age
- 5mo ago

10 Gallon Aquarium Set Glass Fish Tank Heater Self Cleaning System Filter with Media Bright Light Cleaning Tool Leak-Proof Clear Rimless Betta Tropical Freshwater Fish
- Price
- $106.77
- Rating
- 4.2/5
- Reviews
- 648
- Age
- 9mo ago

AQUASMITH Betta Fish Tank 2 Gallon All-in-One Aquarium Kit with Filtration & LED Light Self-Cleaning Aquarium for Beginners Kids Gifts for MenTeen Boys
- Price
- $62.79
- Rating
- 4.6/5
- Reviews
- 46
- Age
- 11mo ago

Desktop Fish Tank 1.2 Gallon Self-Cleaning Smart Aquarium with Filter & 5-Color LED Light Auto-Cycling Quiet Pump for Betta Shrimp Guppy Goldfish
- Price
- $30.60
- Rating
- 4.1/5
- Reviews
- 205
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 30% of clicks, no more. An open shelf where new products get seen.
Brands
30 falling
Sellers
40
Est. top-5 brand share
57%
Top 20: 94%
Est. top-5 click share
30%
Top 20: 62%
Open market
37%
- Tetra21%
- AQUANEAT11%
- Vehipa10%
- Vimvins10%
- Penn-Plax6%
- Aqueon6%
Demand
Fish Tank search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top Fish Tank search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- fish tank3.4M/yr
- aquarium1.4M/yr
- 10 gallon fish tank659K/yr
- betta fish tank643K/yr
- 5 gallon fish tank535K/yr
- 20 gallon fish tank524K/yr
- small fish tank370K/yr
- beta fish aquariums388K/yr
- fish bowl325K/yr
- fish tanks298K/yr
Reviews and returns
What reviews say buyers love and hate about Fish Tank
We read the reviews and the return reasons for every product selling here.
“Filter did not work”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Fish Tank 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









