Betta Fish Tank Accessories Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Betta Fish Tank Accessories sales on Amazon US totaled 133,500 units in July 2026 (▼ 0.7% vs. the prior month), generating an estimated $1,204,835 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 46.4% of unit volume and 40.7% of revenue, while a typical listing is priced at $9.72. The keyword itself pulled 33,425 Amazon queries over the same period (▲ 2.6% MoM).
Zooming out to the 12-month window ending July 2026, the betta fish tank accessories Top 50 moved 1,526,900 units and $13,703,657 in cumulative sales — an average of 127,242 units and $1,141,971 per month. Monthly throughput topped out at 138,200 units in April 2026 and dipped to 81,600 in May 2026, leaving the latest reading 7.5% higher than August 2025.
Betta Fish Tank Accessories Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
133.5K
▼ 0.7% MoM
Monthly Revenue 2026/07
$1.2M
▼ 1.2% MoM
Top 10 Market Share 2026/07
46.4%
Betta Fish Tank Accessories Market Share & Sales Concentration on Amazon US — July 2026
The most-sold betta fish tank accessories listing on Amazon US in July 2026 is ASIN B004LO9KSY (Brand: API), which sold 10,000 units at $8.48 apiece — equal to 7.5% of every unit tracked in this report and 11% ahead of the No. 2 listing.
The Top 10 ASINs account for 62,000 units and $490,420 in July 2026 — 46.4% of unit volume and 40.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Betta Fish Tank Accessories' on Amazon
July 2026
Is 46.4% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B004LO9KSY
API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
10K
▲ 0.0%vs. prior month
$84.8K
latest month
12-month trend
B0D2RG3LXR
AAwipes 8-in-1 Aquarium Test Kit for Fish Tanks - Quick & Accurate Water Testing Strips for Aquariums & Ponds. Tests pH, Ammonia, Alkalinity, Hardness, Chlorine, etc. (K02-50)
9K
▲ 12.5%vs. prior month
$86.1K
latest month
12-month trend
B091D3DTWS
Tetra Water Cleaner Gravel Siphon for Aquariums Up to 55 Gal | Makes Water Changes Easier, Removes Debris From Gravel, Remove 30% Of Water Every 30 Days
8K
▲ 0.0%vs. prior month
$82.3K
latest month
12-month trend
B0BFVST4XX
PAIZOO Aquarium Thermometer Digital, Highly Accurate Fish Tank Thermometer | LED Display, 8000h Battery Life, Precise Temp Gauge, Range 0-140℉, Stick-on Fish Tank Thermometer for Betta, Axolotl & Turtle
6K
▲ 0.0%vs. prior month
$57.2K
latest month
12-month trend
B0006JM09E
Tetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums, 3 Count | Ready to Use, Fits Tetra Whisper Fish Tank Filters 5-10 Gal, PF-10, IQ 10, Replace Monthly
6K
▲ 0.0%vs. prior month
$38.8K
latest month
12-month trend
B06XNNY4YW
Pawfly Aquarium Fish Net with Braided Metal Handle Square Net with Soft Fine Mesh Sludge Food Residue Wastes Skimming Cleaning Net for Fish Tanks Small Koi Ponds and Pools
6K
▼ 25.0%vs. prior month
$26.3K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Betta Fish Tank Accessories Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Tetra is the best-performing betta fish tank accessories brand in July 2026, moving 19,000 units across 3 ASINs for 30.6% of Top 10 volume. API follows with 15,000 units (24.2%), ahead of AAwipes on 9,000 units (14.5%).
With 7 brands splitting the Top 10 and 69.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $6.83 to $9.96, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Tetra
3 ASINs in Top 10
30.6%
Units
19K
Revenue
$136.1K
Avg. price
$6.83
B091D3DTWS
$10.29·★4.5·5.2K revsTetra Water Cleaner Gravel Siphon for Aquariums Up to 55 Gal | Makes Water Changes Easier, Removes Debris From Gravel, Remove 30% Of Water Every 30 Days
Units sold8KB0006JM09E
$6.47·★4.7·28.2K revsTetra Whisper Bio-Bag Medium Filter Cartridges for Aquariums, 3 Count | Ready to Use, Fits Tetra Whisper Fish Tank Filters 5-10 Gal, PF-10, IQ 10, Replace Monthly
Units sold6KB005D4NZJG
$3.74·★4.6·4.3K revsTetraBetta PLUS Floating Mini Pellets, Fish Food With Natural Color Enhancer, 1.2 ounces
Units sold5K
API
2 ASINs in Top 10
24.2%
Units
15K
Revenue
$132.2K
Avg. price
$8.98
B004LO9KSY
$8.48·★4.7·26.8K revsAPI TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
Units sold10KB000HHLQO0
$9.48·★4.6·20.3K revsAPI ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
Units sold5K
AAwipes
1 ASIN in Top 10
14.5%
Units
9K
Revenue
$86.1K
Avg. price
$9.96
B0D2RG3LXR
$9.96·★4.3·3.3K revsAAwipes 8-in-1 Aquarium Test Kit for Fish Tanks - Quick & Accurate Water Testing Strips for Aquariums & Ponds. Tests pH, Ammonia, Alkalinity, Hardness, Chlorine, etc. (K02-50)
Units sold9K
Trending Betta Fish Tank Accessories Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0B8ZJ2JXZ booked 3K units at $7.88, with ▲ 0.0% MoM change. On the growth side, B09XVP3HGK leads positive momentum with ▲ 233.3% MoM growth on 1K units, with B004MYIENA close behind at ▲ 150.0% MoM on 500 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0B8ZJ2JXZ
Ameliade Aquarium Artificial Plants & Rock Cave Betta Fish Tank Decor Set | Betta Goldfish Aquarium Accessories, Soft Plastic Plants & Rock Cave Decorations, Small and Large Fish Bowl Ornaments
Price
$7.88
Rating
4.6
Reviews
2.4K
Latest month sales
B09XVP3HGK
Fluval 12696 Volcanic Soil Bio Stratum for Planted Tanks, 4.4 lbs. | Natural Mineral-Rich, Aquarium Substrate for Healthy Plant Development, Growth, and Color
Price
$16.99
Rating
4.7
Reviews
2.6K
Latest month sales
B004MYIENA
Exo Terra Moss Ball Water Clarity & Odor Control for Aqua-Terrariums, Green
Unlock to view ASIN details and product titles
Price
$7.86
Rating
4.1
Reviews
6K
Latest month sales
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