---
title: "Koi Fish Food — £371K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/koi-fish-food"
last_updated: "2026-08-01T04:07:31.644Z"
locale: en
meta:
description: "Niche score 70/100 · £371K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 70/100 · £371K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Koi Fish Food — £371K/yr Amazon UK Niche (2026) - Flapen"
---
# **koi fish food**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 54Growth 95Conversion 95Competition 64Returns 100Price range 85Avg price 88Brand share 45Review moat 68Quality gap 24
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+121.2%**
90-day search growth — must beat 0% to launch
**Conversion**
**Great****11.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£20.11**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£3.88–£90.11**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****786.97**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****£371K**
£371K/yr · 155K searches
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United Kingdom niche tracking, koi fish food is a £371K/yr Amazon United Kingdom market (155K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 70/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **koi fish food market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **£302K–£402K**
- units × avg price
- **Conversion rate**
- **11.9%**
- **Avg BSR**
- **#45**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **81%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **102 months**
- **Avg seller age**
- **193 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**40**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 85%
**Open market**
**16%**
- HERONS37% - Tetra13% - Extra Select11% - Walter Products Wildlife and Aquatics10% - STARMER aquatic feed7% - Pond Friend6% - Open — no brand owns it (6 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +121.2% search growth over the last 90 days.
6K4KSpike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 11.4×
[**Open Trend **](https://flapen.com/research/uk/home-garden/koi-fish-food/trend)
## **Top koi fish food search terms**
- **koi fish food**70K/yr+112.6%9.9% conv. - **koi food**46K/yr+114.8%7.4% conv. - **koi fish food pellets**11K/yr+132.9%8.5% conv. - **koi carp fish food for pond**11K/yr+279.9%9.6% conv. - **koi pellets**5K/yr+123.5%8.8% conv. - **koi food 10kg**4K/yr+97.7%4.4% conv. - **koi sticks**4K/yr+132.5%12.4% conv. - **carp food**3K/yr+110.0%7.6% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/koi-fish-food/search-terms)
## **Top koi fish food 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%4%£15K8%£30K12%£45K16%£59K101001K10K 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**HERONS - Koi Trio Pellets 3mm Premium Koi Fish Food For Japanese Koi and Other Pond Fish Prebiotic Pellets With Spirulina Omega 3 Amino Acids Colour and Growth Enhancing - 1Kg**HERONS**£7.39**4.6★1,836 rev](https://www.amazon.co.uk/dp/B07MV8XCQD) [2**Tetra Koi Pond Fish Food Sticks 1.5kg - biologically balanced for koi fish**Tetra**£19.64**4.7★1,871 rev](https://www.amazon.co.uk/dp/B000LXUXZI) [3**HERONS - Koi Growth & Colour Pellets 6mm Premium Pond Fish Food For Koi Carp Shubunkin and Goldfish Growth and Colour Enhancing High Protein Multi Ingredient 1Kg**HERONS**£7.57**4.6★345 rev](https://www.amazon.co.uk/dp/B07MVB19QV) [4**HERONS Pond Sticks Mix Ultralight (10L Refill Bag) - Koi & Goldfish Food - Excellent Value - Complete Feed for all Pond Fish - Premium Variety Pond Sticks - 10 Litre**HERONS**£8.29**4.6★798 rev](https://www.amazon.co.uk/dp/B0DYG7B3JX) [5**Koi carp 30% protein GROWER pond feed all natural pellets (Adult size) 10kg**STARMER aquatic feed**£23.17**4.5★1,427 rev](https://www.amazon.co.uk/dp/B073ZB7X1G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**starmerbaits (COLOUR ENHANCER GROWER PRO) high protein koi carp pond feed pellets (adult) 10kg**starmerbaits**£28.29**31 rev1y ago](https://www.amazon.co.uk/dp/B0F862N7M7) [**Walters Variety Sticks 40L Bag for Goldfish Koi Carp and all Cold Water Pond Fish. Balanced complete lightweight floating pond fish food with natural ingredients. 3kg bag**Walter Products Wildlife and Aquatics**£21.45**240 rev1y ago](https://www.amazon.co.uk/dp/B0F48V42HR) [**Walters Variety Pellets (lightweight) 40L bag for Goldfish Koi Carp and all Cold Water Pond Fish. Nutritionally balanced complete floating fish food with natural ingredients**Walter Products Wildlife and Aquatics**£21.87**190 rev1y ago](https://www.amazon.co.uk/dp/B0F48VMQB3) [**HERONS Pond Sticks Mix Ultralight (10L Refill Bag) - Koi & Goldfish Food - Excellent Value - Complete Feed for all Pond Fish - Premium Variety Pond Sticks - 10 Litre**HERONS**£8.29**798 rev1y ago](https://www.amazon.co.uk/dp/B0DYG7B3JX) [**Pond Friend Koi Growth Pellets Floating Pond Fish Food 1250g 4.5mm Carp & Goldfish High Protien Diet For Fast Growth**Pond Friend**£14.14**31 rev1y ago](https://www.amazon.co.uk/dp/B0DTB3LS9B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pond Friend Koi Growth Pellets Floating Pond Fish Food 1250g 4.5mm Carp & Goldfish High Protien Diet For Fast Growth**Pond Friend**£14.14**4.8★**▲ 140%**](https://www.amazon.co.uk/dp/B0DTB3LS9B) [**Walters Variety Sticks (10L Refill Bag) | Pond Fish Food for Goldfish Koi and all Cold Water Pond Fish | Floating Fish Food Pond Sticks in Stay Fresh EasyTubs and Refill Bags**Walter Products Wildlife and Aquatics**£9.90**4.5★**▲ 84%**](https://www.amazon.co.uk/dp/B097LNPGBR) [**Pond Friend Mixed Fish Food Sticks 1820g High-Weight Premium Floating Pellets for Koi Carp Goldfish & Surface Feeding Pond Fish**Pond Friend**£10.96**4.5★**▲ 70%**](https://www.amazon.co.uk/dp/B0CC5KR64J) [**Kockney Koi Superior mix with added sirulina and vitamin C 2 KG**Yamitsu**£19.56**4.6★**▲ 62%**](https://www.amazon.co.uk/dp/B07H1BSVJ1) [**Tetra Koi Pond Fish Food Colour & Growth Sticks 270g - biologically balanced for larger koi fish**Tetra**£5.02**4.6★**▲ 35%**](https://www.amazon.co.uk/dp/B001J4XE1S)
**~~View all trending →~~**
## **What buyers say about koi fish food**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**45%
*“Excellent value”*
**Quality-Overall**22%
*“Good Quality food”*
**Pet Friendly**13%
*“my fish love it”*
**Taste-Overall**5%
*“my koi love this food”*
**Advertised Vs Actual Product**3%
*“As expected”*
**Size-Overall**3%
*“Ideal size”*
**Color**2%
*“bright colours”*
**Durability**2%
*“Good value last a few months”*
**Ease Of Use**1%
*“Large bag and easy to use”*
**Water Resistance**1%
*“doesn't cloud the water”*
### **What buyers complain about **
**Size-Overall**22%
*“But a lot smaller than the floating sticks”*
**Quality-Overall**19%
*“Cheap koi food”*
**Value For Money**19%
*“Fish love it bit expensive”*
**Taste-Overall**9%
*“Fish seem to like it I can't say what it tastes like as I have no intention of trying it”*
**Water Resistance**6%
*“Bad for water quality”*
**Ease Of Use**6%
*“I am now trying to remove the scum with difficulty there is a problem with this as I have used this food before”*
**Moist/Dry**6%
*“Mouldy”*
**Weight Heavy**3%
*“Noticeably heavier than previously bought sticks from another supplier”*
## **Common questions**
- **Is koi fish food profitable to sell on Amazon United Kingdom?**
- The niche generates £371K/yr across 37 tracked products. 90-day search growth is +121.2%. Flapen's verdict: Worth a look (70/100).
- **How competitive is the koi fish food niche?**
- 12 brands and 40 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in koi fish food?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for koi fish food peak?**
- Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 11.4× the quietest.
- **What does it cost to enter the koi fish food niche?**
- Listings span £3.88–£90.11; the average listing price is £20.11 (sweet spot $15–$100). The average incumbent carries 787 reviews — the moat a new listing must climb.
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