betta fish
Worth a lookShows a sweet-spot price point ($40.82 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$40.82avg listing price — sweet spot $15–$100
Returns
Great1.1%return rate — above 6% kills the launch gate
Brand share
Great43%top-5 brand share — no brand owns this niche
Competition
Great24%top-5 click share — an open shelf
Market size
Good$510K$510K/yr · 622K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.0%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,034.13avg incumbent reviews — the moat a new listing must climb
Price range
Bad$2.85–$400.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-11.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, betta fish is a $510K/yr Amazon United States market (622K searches/yr). The top 5 brands hold 43% of demand. Verdict: Worth a look — 59/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
betta fish market data
- Units sold / yr
- 13K–15K
- avg 100–250/product
- Revenue / yr
- $510K–$612K
- units × avg price
- Launch success
- 46%
- 6 of 13 new (360d)
- Conversion rate
- 2.0%
- Avg BSR
- #68
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 65%
- Out of stock
- 2.4%
- Avg brand age
- 41 months
- Avg seller age
- 155 days
Competition & brand share
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.Brands
42 falling
Sellers
101
Top-5 brand share
43%
Top 20: 87%
Top-5 click share
24%
Top 20: 64%
Open market
51%
- SunGrow15%
- Betta8%
- Tetra8%
- sicutoz6%
- API5%
- D&A Tropical Fish LLC5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top betta fish search terms
- betta fish294K/yr
- betta117K/yr
- saltwater aquarium accessories58K/yr
- aquatic pet products28K/yr
- freshwater aquarium16K/yr
- saltwater tank accessories14K/yr
- salt water aquarium accessory15K/yr
- aquarium essentials13K/yr
- betta fish supplies11K/yr
- betta fish essentials7K/yr
Top betta fish 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 77 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SunGrow Betta Feeding Ring Prevent Water Turbulence from Washing Food into Filter Practical Round Floating Food Suitable for Guppy Goldfish and Other Small Fish (1 Pc)
SunGrow$4.063.9★1,352 rev
Floating Betta Hide & Shrimp Cave All-in-One Aquarium Hammock Feeder and Safe Resting Spot for Stress-Free Fish Tanks
sicutoz$8.574.2★1,053 rev
DaToo Aquarium Mini Magnetic Scrubber Scraper Small Fish Tank Cleaner Nano Glass Aquarium Cleaning Tools with Super Strong Magnet
DaToo$6.544.6★1,312 rev
SunGrow 50 pcs Catappa Indian Almond Leaves 2 Water Conditioner for Betta Fish Tank Aquarium Leaf for Fish Breeding Shrimp Goldfish Guppy & Frogs
SunGrow$6.094.5★6,320 rev
D&A Tropical Full RED Guppy - Abino Live Fish (1 Male 2 Females) for Freshwater Aquariums
D&A Tropical Fish LLC$41.083.5★157 rev
Newest
by launch date
Aquarium Floating Betta Fish Skins Betta or Shrimp Feeder Cave and Hammock Small Fish Feeding Rings Aquarium Hiding Feeding Decorative Accessories (Black)
DOEKAISAYO$10.062 rev
Betta Fish Tank 0.3 Gallon mini Desktop Fish Tank Aquarium Starter Kits Small Fish Tank for Office Home Bedroom School Store Outdoor Garden Lawn
Snailike$58.1620 rev
Betta Neo Solar-Powered Robotic Pool Skimmer with App Control & Ultra Long-Range Gateway System Weather-Adaptive & Scheduled Cleaning Dual Charging Options for In-Ground & Above-Ground Pools (Blue)
Betta$400.2378 rev
Perky Fins Betta Boost Pops | High-Protein Betta Fish Food Pellets Made in USA | Marine & Insect Protein | Floating & Slow-Sinking | Premium Freshwater Aquarium Fish Food 1oz
Perky Fins$9.4498 rev
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
eWonLife$68.69245 rev
Trending
90-day click momentumBetta Fish Tank 0.3 Gallon mini Desktop Fish Tank Aquarium Starter Kits Small Fish Tank for Office Home Bedroom School Store Outdoor Garden Lawn
Snailike$58.164.3★
Betta Neo Solar-Powered Robotic Pool Skimmer with App Control & Ultra Long-Range Gateway System Weather-Adaptive & Scheduled Cleaning Dual Charging Options for In-Ground & Above-Ground Pools (Blue)
Betta$400.234.5★
Aquarium Floating Betta Fish Skins Betta or Shrimp Feeder Cave and Hammock Small Fish Feeding Rings Aquarium Hiding Feeding Decorative Accessories (Black)
DOEKAISAYO$10.064.5★
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
AQUASMITH$62.794.6★
AQUANEAT Fish Tank 1 Gallon Betta Fish Tank Small Aquarium Kit with LED Light and Water Filter Pump
AQUANEAT$25.483.7★
What buyers say about betta fish
What buyers praise and complain about, mined from review topics.What buyers love
“Cleaning is very easy”
“The build quality feels solid”
“Fair price”
“Easy to empty”
“AS ADVERTISED”
“love the size”
“So far it has been reliable”
“Our fish loves this”
“Beautiful colors”
“It works well for heating”
What buyers complain about
“Did not last”
“Too short”
“not at all functional”
“Inconsistent quality”
“Better price online”
“don't feel heat”
“it doesn't clean well”
“it will not charge up”
“Weak Filtration”
“hard to use”
Top return reasons
Common questions
- Is betta fish profitable to sell on Amazon United States?
- The niche generates $510K/yr across 77 tracked products. 6 of 13 products launched in the last 360 days are still selling. 90-day search growth is -11.4%. Flapen's verdict: Worth a look (59/100).
- How competitive is the betta fish niche?
- 42 brands and 101 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 43% of demand.
- What do buyers complain about in betta fish?
- Top complaints mined from reviews: Durability, Size-Overall, Functionality-Overall. The return rate is 1.1%.
- When does demand for betta fish peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the betta fish niche?
- Listings span $2.85–$400.23; the average listing price is $40.82 (sweet spot $15–$100). The average incumbent carries 4,034 reviews — the moat a new listing must climb.