Aquarium
MaybeAn estimated 0.5% of orders come back. But buyers convert on only 0.4% of searches, so Aquarium is a Maybe.
- Flapen Score
- 53 / 100Top 41% of 683 Haustier niches · +1 vs the category median of 5253
- Market size
- €626K/yr2.2M searches / yr
- 90-day growth
- -33.0%search demand this quarter
- Competition
- 43%top-5 click share · 16 brands · 30 sellers
Flapen Score
Aquarium against its category
The dotted line is the Haustier average. Past it, Aquarium is stronger. Inside it, weaker.
Market
The Aquarium market on Amazon at a glance
Shoppers on Amazon Germany searched for Aquarium 2.2M times last year and spent an estimated €626K. The top 5 brands take 77% of clicks. Demand peaks in Jan. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 0.4% of those searches ended in a purchase.
Shoppers searched for this 2.2M times in the last 12 months. That counts every search on Amazon Germany for this niche's terms. An estimated 0.4% of those searches ended in a purchase. Searches in the last 90 days moved -33.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated €626K a year.
- Searches, last 12 months
- 2.2M
- Growth, 90 days vs prior 90
- -33.0%
- Conversion, latest week
- 0.4%
- Market size, estimated
- €626Ka year
- Peak month
- January1.8× the quietest month
- Top search term
- aquarium1.4M searches a year
02 · Price
A sale here is worth €69.67.
Listings sell for €69.67 on average, from €5.83 to €263.47. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 0 to 100 of them. At €69.67 that is €0 to €7K a year per listing.
- Average price
- €69.67inside the $15 to $100 sweet spot
- Price range
- €5.83–€263.47
- Amazon Germany median price
- €18.99across 29,809 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 0–100
- Revenue per listing a year
- €0–€7K
- Returns
- 0.5%of orders · Amazon Germany median 1.1%
03 · Entry bar
The bar here is reviews.
89% of listings pay for placement with sponsored ads. 76% ship with Prime. On an average day, 25.4% of listings are out of stock. The average listing ranks #56 within Aquaristik. It carries 1,907 reviews at 4.18 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 76%
- Out of stock, average day
- 25.4%
- Average rank
- #56in Aquaristik
- Average rating
- 4.18 starsAmazon Germany average 4.37 stars
- Average reviews
- 1,907per listing
- Listings tracked
- 45
04 · Newcomers
1 of last year's 15 launches cleared the first-year sales bar.
15 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 38 months on average, so the names here are settling in.
- Launched, last 12 months
- 15
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 38 months
Products
Top Aquarium products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 13, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Tetra Starter Line 54 L Aquarium Komplett-Set - inkl. Tag- & Nachtlicht LED-Beleuchtung Innenfilter Heizer Fischfutter und Wasseraufbereiter
- Price
- €79.64
- Rating
- 4.0/5
- Reviews
- 911
- Age
- 4y ago

9L Weißglas Fischtank Aquarium mit LED-Leuchten & Filtersystem Filtermedien tropischeAquarien (9L)
- Price
- €37.14
- Rating
- 3.6/5
- Reviews
- 238
- Age
- 2y ago

Craftsboys 5.5L Aquarium-Starter-Kits Nano-Glas-Aquarium mit Filter LED-Licht für Aquascape DIY kleines Betta-Fischbecken
- Price
- €29.73
- Rating
- 4.3/5
- Reviews
- 428
- Age
- 2y ago

3 7L Kleines Betta Aquarium Komplettset Mini Aquarium aus Acryl mit Filterpumpe LED-Beleuchtung ideal für kleine Fische Garnelen und Pflanzen (Schwarz)
- Price
- €34.57
- Rating
- 4.0/5
- Reviews
- 115
- Age
- 5mo ago

Vehipa Nano Aquarium 9L Aquarium Klein mit intelligentem Luftbefeuchter Temperaturanzeige UHD-Glas 7-Farben-Beleuchtung 3 in 1 Leise Pumpe mit Filterung & Sauerstoffzufuhr & Zirkulation
- Price
- €49.70
- Rating
- 3.8/5
- Reviews
- 584
- Age
- 1y ago
Trending
estimated 90-day click momentum
16L Nano Aquarium Komplettset Intelligentes Aquarium Klein mit automatischer Futterstation geräuscharmer 4-in-1-Pumpe Einstellbarer 8-Farben-Beleuchtung Temperaturanzeige und Luftbefeuchter
- Price
- €92.77
- Rating
- 4.5/5
- Reviews
- 41
- Age
- 5mo ago

fishkeeper 5-in-1 Mini Aquarium Starterset mit LED Timed Feeding & Selbstreinigende Pumpe & Filter 8.6L Nano Aquarium Komplettset Smart Klein Aquarien Set komplett mit Aromatherapie Luftbefeuchter
- Price
- €67.63
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

Dennerle Nano Cube 20 L - Das Original
- Price
- €41.74
- Rating
- 4.7/5
- Reviews
- 268
- Age
- 8y ago

Fluval Flex 2.0 Aquarium Set 34 L Nano Aquarium Komplettset mit geschwungener Frontscheibe LED Beleuchtung mit Fernbedienung integriertes 3-Stufen-Filtersystem Fütterungsklappe und Düsenstrahlrohr
- Price
- €105.25
- Rating
- 4.7/5
- Reviews
- 21
- Age
- 7mo ago

Aquarium Desktop-Set 10L Kleines Fischbecken 30x15x22 Ultra-Klares Glas mit Selbstreinigungsfilter Helles Licht Heizung Steine Kies Reinigungswerkzeug Randloses Fischglas für Anfänger Starterkit
- Price
- €55.88
- Rating
- 4.2/5
- Reviews
- 98
- Age
- 6mo ago
Newest
by launch date
3 7L Kleines Betta Aquarium Komplettset Mini Aquarium aus Acryl mit Filterpumpe LED-Beleuchtung ideal für kleine Fische Garnelen und Pflanzen (Schwarz)
- Price
- €34.57
- Rating
- 4.0/5
- Reviews
- 115
- Age
- 5mo ago

16L Nano Aquarium Komplettset Intelligentes Aquarium Klein mit automatischer Futterstation geräuscharmer 4-in-1-Pumpe Einstellbarer 8-Farben-Beleuchtung Temperaturanzeige und Luftbefeuchter
- Price
- €92.77
- Rating
- 4.5/5
- Reviews
- 41
- Age
- 5mo ago

Vehipa 3 7L Kleines Betta Aquarium Komplettset Nano Aquarium aus Acryl mit Filter LED-Beleuchtung Pumpe ideal für kleine Fische Garnelen und Pflanzen (Weiß)
- Price
- €34.71
- Rating
- 4.0/5
- Reviews
- 115
- Age
- 5mo ago

fishkeeper 5-in-1 Mini Aquarium Starterset mit LED Timed Feeding & Selbstreinigende Pumpe & Filter 8.6L Nano Aquarium Komplettset Smart Klein Aquarien Set komplett mit Aromatherapie Luftbefeuchter
- Price
- €67.63
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

Aquarium Desktop-Set 10L Kleines Fischbecken 30x15x22 Ultra-Klares Glas mit Selbstreinigungsfilter Helles Licht Heizung Steine Kies Reinigungswerkzeug Randloses Fischglas für Anfänger Starterkit
- Price
- €55.88
- Rating
- 4.2/5
- Reviews
- 98
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
30
Est. top-5 brand share
77%
Top 20: 100%
Est. top-5 click share
43%
Top 20: 77%
Open market
19%
- Tetra23%
- Craftsboys22%
- Vehipa17%
- VIALIA9%
- Nobleza5%
- Fluval4%
Demand
Aquarium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 1.8×
Search terms
Top Aquarium search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- aquarium1.4M/yr
- aquarium komplettset114K/yr
- nano aquarium122K/yr
- mini aquarium95K/yr
- aquarien63K/yr
- mini aquarium komplettset46K/yr
- aquarium klein45K/yr
- aquarium set47K/yr
- nano aquarium komplettset44K/yr
- kleines aquarium32K/yr
Reviews and returns
What reviews say buyers love and hate about Aquarium
We read the reviews and the return reasons for every product selling here.
“War leider am 2. TAG schon die Filterpumpe defekt”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Aquarium questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









