Skip to content

Aquarium

Aquarium shows low returns (0.5%), but weak search conversion (0.4%) keeps it on the watch list.

Flapen Score

53
Worth a look

Top 41% of 683 Haustier niches · +1 vs the category median of 52

Market size 65Growth 9Conversion 5Competition 69Returns 98Price range 33Avg price 86Brand share 47Review moat 46Quality gap 83
This niche Category average · 683 niches

Is Aquarium profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, Aquarium is a €626K/yr Amazon Germany market (2.2M searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Jan. Verdict: Worth a look — 53/100.

Aquarium: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -33.0% over the last 90 days and 0.4% of searches end in a purchase.

€626K

revenue / yr

Units sold / yr8K
Search volume / yr-33.0%2.2M
Conversion rate0.4%
Avg price€69.67

Who owns the niche?

The top 5 brands hold 77% of demand, so 23% of the market is open.

23%

open market share

Brands · sellers16 · 30
Top-5 product click share43%
Open market23%
Avg brand age38 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 45 products

Sponsored placement89%
New entrants (1y)15· 1 succeeded
Avg rating4.2★
Avg reviews1,907

Top Aquarium products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

€0€25K€50K€75K€100K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

16 falling

Sellers

30

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

43%

Top 20: 77%

Open market

19%

  • Tetra23%
  • Craftsboys22%
  • Vehipa17%
  • VIALIA9%
  • Nobleza5%
  • Fluval4%

Aquarium demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume2.2MCVR0.4%Products45Brands16Top 5 Brands77%OOS Rate25.4%Rating4.2★Reviews1,907Avg BSR#56
60K40KPrime Day '24Spike '24Black Friday '24Prime Day '25Spike '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Top Aquarium search terms shoppers use

The exact queries shoppers type, with 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

What reviews say buyers love and hate about Aquarium

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Qualität insgesamt27%

Super Aquarium, top Verarbeitung

Preis-Leistungs-Verhältnis15%

Preis-Leistung Super

beworben Vs Tatsächliches Produkt9%

Erfüllt sein Zweck

Gesamtgröße7%

Passt

Design insgesamt5%

Schönes Design, sieht sehr schick aus

What buyers complain about

67% of reviews
Filterung14%

War leider am 2. TAG schon die Filterpumpe defekt

Gesamtgröße11%

Kleine Aquarium

Haltbarkeit10%

die Pumpe war nach 5 Minuten laufen kaputt

Qualität insgesamt7%

Minderwertige Qualität und fest eingebautes Pumpengehäuse

Wasserfluss6%

Wasserwechsel total umständlich

Aquarium return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Gesamtgröße
46%
2Filterung
9%
3Auslaufsicher
6%
4Defekt Material/Teile
6%
5Funktionalität insgesamt
4%

Common Aquarium questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Aquarium 53/100 on Amazon Germany — Worth a look. The niche generates €626K/yr across 45 tracked products. 1 of 15 products launched in the last 360 days are still selling. Search demand moved -33.0% over the last 90 days.
Search demand for Aquarium on Amazon Germany peaks in Jan, where the busiest month runs 1.8× the quietest.