---
title: "Fish Tank Pump — £64K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/fish-tank-pump"
last_updated: "2026-07-31T08:05:02.508Z"
locale: en
meta:
description: "Niche score 54/100 · £64K/yr market · 118K searches/yr · £12.45 avg price. A small market ($64K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · £64K/yr market · 118K searches/yr · £12.45 avg price. A small market ($64K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fish Tank Pump — £64K/yr Amazon UK Niche (2026) - Flapen"
---
# **fish tank pump**
**Worth a look**
Shows beatable incumbent ratings (4.1★), but a small market ($64K/yr) keeps it on the watch list.
Market size 16Growth 20Conversion 53Competition 77Returns 74Price range 57Avg price 54Brand share 79Review moat 53Quality gap 86
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Price range**
**Good****£5.61–£27.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£12.45**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****4.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,383.21**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-10.0%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£64K**
£64K/yr · 118K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United Kingdom niche tracking, fish tank pump is a £64K/yr Amazon United Kingdom market (118K searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fish tank pump market data**
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **£50K–£62K**
- units × avg price
- **Conversion rate**
- **4.4%**
- **Avg BSR**
- **#23**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **88%**
- **Out of stock**
- **3.3%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**25 **▼falling
**Sellers**
**38**
**Top-5 brand share**
**56%**
Top 20: 97%
**Top-5 click share**
**38%**
Top 20: 80%
**Open market**
**38%**
- NICREW18% - Dtopsun11% - HITOP10% - Knifel8% - flintronic8% - Craftsboys6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.0% search growth over the last 90 days.
3K2KSpike '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/uk/pet-supplies/fish-tank-pump/trend)
## **Top fish tank pump search terms**
- **fish tank pump**50K/yr-15.6%3.6% conv. - **aquarium pump**33K/yr-9.7%2.4% conv. - **fish pump**11K/yr+0.9%3.1% conv. - **fish tank water pump**6K/yr+26.5%2.1% conv. - **pump for fish tank**6K/yr-2.8%3.6% conv. - **small aquarium pump**4K/yr-2.2%2.0% conv. - **small fish tank pump**4K/yr+9.4%6.0% conv. - **fish pumps for tanks**4K/yr-65.1%3.3% conv. [**All search terms **](https://flapen.com/research/uk/pet-supplies/fish-tank-pump/search-terms)
## **Top fish tank pump products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%£2K6%£4K9%£6K12%£8K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NICREW Fish Tank Filter Internal Aquarium Filter for Small Tank Coldwater or Tropical Aquariums Up to 20L Black**NICREW**£11.15**4.3★2,242 rev](https://www.amazon.co.uk/dp/B09KL1R12Y) [2**Mini Submersible Water Pump (600L/H 10W) Adjustable Ultra Quiet Fountain Water Pump for Aquarium Fish Tank Pond Statuary Hydroponics Indoor or Outdoor Fountain with 1.5M Power Cord and 2 Nozzles**Dtopsun**£8.71**4.2★1,264 rev](https://www.amazon.co.uk/dp/B09QGN9XBQ) [3**HITOP Single Outlet Aquarium Air Pump with Accessories Whisper Aerator Silent Oxygen Pump for Fish Tank 1L to 100 Litres**HITOP**£8.33**4.3★1,078 rev](https://www.amazon.co.uk/dp/B07S9QB3CP) [4**Knifel Submersible Pump 1500L/H 25W for Fountains and Aquariums**Knifel**£16.73**4.2★1,771 rev](https://www.amazon.co.uk/dp/B08KSV2V98) [5**Craftsboys Fish Tank Filter Silent Internal Aquarium Filter Clean Water Air Pump Make Waves (4W-450L/H Black)**Craftsboys**£8.20**3.9★879 rev](https://www.amazon.co.uk/dp/B09YTKTHRT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pawfly 3 W Small Fish Tank Filter 300 L Aquarium Filter Internal Submersible Aquarium Filter with Foam & Adjustable Water Pump Quiet Filter for 30-80 L Fish Tanks**Pawfly**£9.78**43 rev8mo ago](https://www.amazon.co.uk/dp/B0FZJKC63X) [**QZQ Air Pump Aquarium Fish Tank Air Pump Silent with Single Outlet Included Accessories Suitable Fish Tank from 1L to 100 Liters2W**QZQ**£7.61**163 rev1y ago](https://www.amazon.co.uk/dp/B0FFBBF2MH) [**HITOP 2W Nano Single Outlet Aquarium Air Pump 2.8L/M Quiet Fish Tank Aerator with Accessories Adjustable Oxygen Pump for 1-150L Small Fish Tanks**HITOP**£10.80**157 rev1y ago](https://www.amazon.co.uk/dp/B0F5W9JS67) [**Submersible Aquarium Powerhead Pump for Fish Tank Trickle Filter with Venturi Suitable for Marine & Freshwater Tropical Aquariums (800 l/h)**Finest-Filters**£8.18**18 rev1y ago](https://www.amazon.co.uk/dp/B0DJ16KNPV) [**Pawfly Fish Tank Filter Internal Aquarium Filter with 300 L/H Submersible Quiet Water Pump and Sponge for 40 to 75 L Fish Tanks Small Multifunctional Filter for Filtration Circulation and Oxygenation**Pawfly**£11.70**305 rev2y ago](https://www.amazon.co.uk/dp/B0D62ST89N)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Submersible Aquarium Powerhead Pump for Fish Tank Trickle Filter with Venturi Suitable for Marine & Freshwater Tropical Aquariums (800 l/h)**Finest-Filters**£8.18**4.1★**▲ 309%**](https://www.amazon.co.uk/dp/B0DJ16KNPV) [**Pawfly 3 W Small Fish Tank Filter 300 L Aquarium Filter Internal Submersible Aquarium Filter with Foam & Adjustable Water Pump Quiet Filter for 30-80 L Fish Tanks**Pawfly**£9.78**3.5★**▲ 206%**](https://www.amazon.co.uk/dp/B0FZJKC63X) [**Knifel Submersible Pump 3000L/H 60W for Fountains and Aquariums**Knifel**£23.10**4.1★**▲ 200%**](https://www.amazon.co.uk/dp/B0CP3K4LHN) [**Interpet Internal Aquarium Fish Tank PF1 Power Filter Cleans Water for Coldwater & Tropical Aquariums Up to 68 Litre black/blue**Interpet**£13.16**4.2★**▲ 29%**](https://www.amazon.co.uk/dp/B001BXC3QY) [**Mini Submersible Water Pump (600L/H 10W) Adjustable Ultra Quiet Fountain Water Pump for Aquarium Fish Tank Pond Statuary Hydroponics Indoor or Outdoor Fountain with 1.5M Power Cord and 2 Nozzles**Dtopsun**£8.71**4.2★**▲ 24%**](https://www.amazon.co.uk/dp/B09QGN9XBQ)
**~~View all trending →~~**
## **What buyers say about fish tank pump**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**16%
*“reasonable price”*
**Quality-Overall**13%
*“Excellent product”*
**Filtration**12%
*“Great water filter”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Noise Level**6%
*“Fairly quiet too”*
**Strength**5%
*“Sturdy little pump”*
**Spray/Flow**4%
*“Good water flow”*
**Ease Of Cleaning**4%
*“easy to clean the 2 sponges”*
**Size-Overall**3%
*“Easy to fit”*
**Efficiency**2%
*“it did a surprisingly good job for such a compact pump”*
### **What buyers complain about **
**Durability**24%
*“Didnt last”*
**Noise Level**10%
*“Very noisy”*
**Size-Overall**8%
*“the size is a bit loose”*
**Filtration**8%
*“Worst filter I have ever seen”*
**Quality-Overall**7%
*“This pump has quality issues”*
**Functionality-Overall**7%
*“Doesn't work”*
**Strength**3%
*“just not that strong”*
**Value For Money**3%
*“Not worth price paid”*
**Advertised Vs Actual Product**2%
*“.False advertisement”*
**Heating**1%
*“Pump stopped working and over heated”*
### **Top return reasons **
**Size-Overall**37%
**Functionality-Overall**14%
**Filtration**7%
**Strength**6%
**Durability**6%
**Compatibility-Overall**5%
**Defective Material/Parts**5%
**Noise Level**4%
**Advertised Vs Actual Product**2%
**Quality-Overall**2%
## **Common questions**
- **Is fish tank pump profitable to sell on Amazon United Kingdom?**
- The niche generates £64K/yr across 43 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -10.0%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the fish tank pump niche?**
- 25 brands and 38 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 56% of demand.
- **What do buyers complain about in fish tank pump?**
- Top complaints mined from reviews: Durability, Noise Level, Size-Overall. The return rate is 2.1%.
- **When does demand for fish tank pump peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the fish tank pump niche?**
- Listings span £5.61–£27.32; the average listing price is £12.45 (sweet spot $15–$100). The average incumbent carries 1,383 reviews — the moat a new listing must climb.
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