29 gallon aquarium
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Good$167.53avg listing price — sweet spot $15–$100
Review moat
Good1,477.3avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.0%return rate — above 6% kills the launch gate
Growth
Bad-1.2%90-day search growth — must beat 0% to launch
Competition
Bad80%top-5 click share — a locked-up shelf
Market size
Bad$50K$50K/yr · 66K searches
Price range
Bad$70.78–$368.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 29 gallon aquarium is a $50K/yr Amazon United States market (66K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 27/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
29 gallon aquarium market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $42K–$84K
- units × avg price
- Launch success
- —
- 3 of 3 new (360d)
- Conversion rate
- 0.4%
- Avg BSR
- #29
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 60%
- Out of stock
- 9.2%
- Avg brand age
- 39 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
11
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
80%
Top 20: 100%
Open market
0%
- Tetra48%
- Aqueon32%
- XDPET15%
- COOSPIDER2%
- GloFish2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 29 gallon aquarium search terms
- 29 gallon aquarium29K/yr
- 29 gallon aquarium kit8K/yr
- 30 gallon fish tank kit8K/yr
- 30 gal fish tank7K/yr
- 29 gallon tank4K/yr
- 25 gallon aquarium4K/yr
- 30 gallon aquarium kit4K/yr
- fish tank 30 gallon aquarium kit full set1K/yr
Top 29 gallon aquarium products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tetra Glass Aquarium 29 Gallons Rectangular Fish Tank
Tetra$131.164.6★998 rev
Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)
XDPET$126.914.0★56 rev
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon
Aqueon$117.274.3★2,482 rev
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon
Aqueon$179.134.3★2,482 rev
Tetra Aquarium 20 Gallon Complete Tropical Fish Tank Kit With LED Lighting And Decor For Freshwater Fish
Tetra$123.284.3★3,796 rev
Newest
by launch date
Coospider 20 Gallon Glass Fish Tank Aquarium Starter Kit Simple Self-Cleaning Aquarium with 3-Color LED Lights with Quiet Filter Pump with Temperature Monitoring for Fish Shrimp Kids Gift Ideas
COOSPIDER$185.20196 rev
Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)
XDPET$126.9156 rev
GloFish Glass Aquarium Kit 20 Gallons Includes Premium Blue LED Light Stick & Integrated Filtration Perfect for Beginners or Seasoned Hobbyists Seamless Curved Design
GloFish$240.4158 rev
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon
Aqueon$117.272,482 rev
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon
Aqueon$179.132,482 rev
Trending
90-day click momentumCoospider 20 Gallon Glass Fish Tank Aquarium Starter Kit Simple Self-Cleaning Aquarium with 3-Color LED Lights with Quiet Filter Pump with Temperature Monitoring for Fish Shrimp Kids Gift Ideas
COOSPIDER$185.203.8★
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish Perfect for Tetras Guppies Platies 10-Gallon
Aqueon$117.274.3★
Tetra Complete LED Aquarium 55 Gallons Includes LED Lighting Filtration Heater and Accessories
Tetra$368.314.2★
Aqueon Aquarium Starter Kit with Smart Clean Filtration and LED Lighting Freshwater and Saltwater Fish 20-Gallon
Aqueon$179.134.3★
Ultra Clear Glass Aquarium Thickened Large Fish Tank -Suitable for High-end Fish Enthusiasts (29 Gallon Tank)
XDPET$126.914.0★
What buyers say about 29 gallon aquarium
What buyers praise and complain about, mined from review topics.What buyers love
“High quality tank”
“Definitely worth the money”
“it's attractive”
“As expected”
“Great size”
“the filter works really well”
“the glass feels thick”
“Strong, well made”
“It has a convenient pump built in which allows for EASY drainage”
“Clean, silicone free seems”
What buyers complain about
“realized the filter was terrible”
“instructions not very clear”
“Leaks around lid. not the tank”
“The pictures are kind of misleading”
“10-gallon tank is 2.30 shorter than expected. L × W × H”
“However the heater was broken just kept turning on”
“good will only last a few months”
“especially the light holders are so cheap”
“Manufacturer defect”
“The light never worked”
Top return reasons
Common questions
- Is 29 gallon aquarium profitable to sell on Amazon United States?
- The niche generates $50K/yr across 10 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -1.2%. Flapen's verdict: Skip it (27/100).
- How competitive is the 29 gallon aquarium niche?
- 5 brands and 11 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 29 gallon aquarium?
- Top complaints mined from reviews: Filtration, Instructions/User Manual/Troubleshooting, Leak-Proof. The return rate is 4.0%.
- When does demand for 29 gallon aquarium peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the 29 gallon aquarium niche?
- Listings span $70.78–$368.31; the average listing price is $167.53 (sweet spot $15–$100). The average incumbent carries 1,477 reviews — the moat a new listing must climb.