Aquarium Decor Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Aquarium Decor sales on Amazon US totaled 104,300 units in July 2026 (▼ 2.9% vs. the prior month), generating an estimated $1,136,721 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 54.7% of unit volume and 57.2% of revenue, while a typical listing is priced at $11.47. The keyword itself pulled 42,360 Amazon queries over the same period (▲ 19.5% MoM).
Zooming out to the 12-month window ending July 2026, the aquarium decor Top 50 moved 1,132,850 units and $12,398,609 in cumulative sales — an average of 94,404 units and $1,033,217 per month. Monthly throughput topped out at 107,400 units in June 2026 and dipped to 67,750 in May 2026, leaving the latest reading 17.8% higher than August 2025.
Aquarium Decor 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
104.3K
▼ 2.9% MoM
Monthly Revenue 2026/07
$1.1M
▼ 3.5% MoM
Top 10 Market Share 2026/07
54.7%
Aquarium Decor Market Share & Sales Concentration on Amazon US — July 2026
The most-sold aquarium decor listing on Amazon US in July 2026 is ASIN B004LO9KSY (Brand: API), which sold 10,000 units at $8.48 apiece — equal to 9.6% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 57,000 units and $650,570 in July 2026 — 54.7% of unit volume and 57.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Aquarium Decor' on Amazon
July 2026
Is 54.7% 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
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
B00JMABYUO
Fluval 12694 Plant and Shrimp Stratum for Freshwater Fish Tanks, 8.8 lbs. | Aquarium Substrate for Strong Plant Growth, Supports Neutral to Slightly Acidic pH
7K
▼ 12.5%vs. prior month
$127.9K
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
B0FJG14PJR
FIVEIZERO 100PCS Luminous mini Resin Animals - 20 Styles Multiple Colors per Style Glow in The Dark Plastic Tiny Animals Figures for Dollhouse, Fairy Garden, Aquarium, Party Favors & DIY Craft Decor
6K
▲ 20.0%vs. prior month
$57.2K
latest month
12-month trend
B0D2KYN3XG
GWAHSA 240pcs Luminous Mini Resin Ducks, Tiny Animals Bulk Glow in The Dark Small Plastic Miniature Ducks Figures for Dollhouse Decor Micro Garden Home Landscape Aquarium Craft Gifts Party Favors Toys
5K
▲ 0.0%vs. prior month
$48.6K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Aquarium Decor Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
API is the best-performing aquarium decor brand in July 2026, moving 10,000 units across 1 ASIN for 17.5% of Top 10 volume. Tetra follows with 8,000 units (14.0%), ahead of Fluval on 7,000 units (12.3%).
Volume is spread across 10 brands, with the top three holding 43.9% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $8.48 to $16.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
API
1 ASIN in Top 10
17.5%
Units
10K
Revenue
$84.8K
Avg. price
$8.48
B004LO9KSY
$8.48·★4.7·26.8K revsAPI TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
Units sold10K
Tetra
1 ASIN in Top 10
14.0%
Units
8K
Revenue
$82.3K
Avg. price
$10.29
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 sold8K
Fluval
1 ASIN in Top 10
12.3%
Units
7K
Revenue
$127.9K
Avg. price
$16.99
B00JMABYUO
$16.99·★4.7·18.2K revsFluval 12694 Plant and Shrimp Stratum for Freshwater Fish Tanks, 8.8 lbs. | Aquarium Substrate for Strong Plant Growth, Supports Neutral to Slightly Acidic pH
Units sold7K
Trending Aquarium Decor 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, 2 ASINs forced its way in: B0B8ZJ2JXZ booked 3K units at $7.88, with ▲ 0.0% MoM change. On the growth side, B004MYIENA leads positive momentum with ▲ 150.0% MoM growth 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
B08XYSWBBB
majoywoo Natural Driftwood for Aquarium Decor Fish Tank Decor Reptile Decor | Assorted Driftwood Branch 6-10" 3 Pcs, Natural Driftwood for Aquascaping and Reptile Decor
Price
$21.99
Rating
4.2
Reviews
2.8K
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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