Fish Tank Decorations Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Fish Tank Decorations sales on Amazon US totaled 71,100 units in July 2026 (▼ 1.5% vs. the prior month), generating an estimated $886,599 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 54.9% of unit volume and 50.2% of revenue, while a typical listing is priced at $13.94. The keyword itself pulled 17,776 Amazon queries over the same period (▲ 5.8% MoM).
Zooming out to the 12-month window ending July 2026, the fish tank decorations Top 50 moved 727,850 units and $9,235,352 in cumulative sales — an average of 60,654 units and $769,613 per month. Monthly throughput topped out at 72,200 units in June 2026 and dipped to 44,350 in May 2026, leaving the latest reading 33.0% higher than August 2025.
Fish Tank Decorations 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
71.1K
▼ 1.5% MoM
Monthly Revenue 2026/07
$886.6K
▼ 3.3% MoM
Top 10 Market Share 2026/07
54.9%
Fish Tank Decorations Market Share & Sales Concentration on Amazon US — July 2026
The most-sold fish tank decorations listing on Amazon US in July 2026 is ASIN B00JMABYUO (Brand: Fluval), which sold 7,000 units at $16.99 apiece — equal to 9.8% of every unit tracked in this report and 17% ahead of the No. 2 listing.
The Top 10 ASINs account for 39,000 units and $444,740 in July 2026 — 54.9% of unit volume and 50.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Fish Tank Decorations' on Amazon
July 2026
Is 54.9% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
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
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
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
B07F9LLC12
Pebbles Polished Gravel, Natural Polished Mixed Color Stones,0.5-1.2inch Small Decorative River Rock Stones 2 Pounds (32-Oz)
4K
▲ 0.0%vs. prior month
$40K
latest month
12-month trend
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
3K
▲ 50.0%vs. prior month
$63.7K
latest month
12-month trend
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
3K
▲ 0.0%vs. prior month
$24.1K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Fish Tank Decorations Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Fluval is the best-performing fish tank decorations brand in July 2026, moving 7,000 units across 1 ASIN for 17.9% of Top 10 volume. FIVEIZERO follows with 6,000 units (15.4%), ahead of PAIZOO on 6,000 units (15.4%).
Volume is spread across 10 brands, with the top three holding 48.7% 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 $7.99 to $16.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Fluval
1 ASIN in Top 10
17.9%
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
FIVEIZERO
1 ASIN in Top 10
15.4%
Units
6K
Revenue
$57.2K
Avg. price
$9.99
B0FJG14PJR
$9.99·★4.7·582 revsFIVEIZERO 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
Units sold6K
PAIZOO
1 ASIN in Top 10
15.4%
Units
6K
Revenue
$57.2K
Avg. price
$7.99
B0BFVST4XX
$7.99·★4.4·6.2K revsPAIZOO 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
Units sold6K
Trending Fish Tank Decorations 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. On the growth side, B0BGL9PB4F leads positive momentum with ▲ 125.0% MoM growth on 900 units, with B0FWK1YB2V close behind at ▲ 75.0% MoM on 700 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.
B0BGL9PB4F
Jorewood Natural Aquarium Driftwood for Fish Tanks & Reptile Terrariums – Safe Fish Tank Decorations, Unique Twisted Branches 3-Piece 7-11 Inch Low Tannin, Easy to Sink
Price
$19.99
Rating
4.4
Reviews
476
Latest month sales
B0FWK1YB2V
Ameliade 11 Aquarium Plants & Fish Tank Broken Barrel Cave Decorations Set | Broken Barrel Cave and Soft Artificial Plastic Plants Decor Accessories for Betta Goldfish Tank, Small Fish Bowl Ornaments
Price
$7.99
Rating
4.7
Reviews
104
Latest month sales
B0F7LNF3GH
FISHNOSH Aquarium Cave | Natural-Looking Wood-Like BPA-Free Fish Tank Cave for Corners | 5.1” x 2” x 2.7” Fish Hideout for Aquarium | Guppy, Neon Tetra, Corydoras Catfish, Betta Hide | Tank Decor
Unlock to view ASIN details and product titles
Price
$19.99
Rating
4.6
Reviews
253
Latest month sales
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