---
title: "Assassin Snails — $107K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/assassin-snails"
last_updated: "2026-07-21T17:37:08.174Z"
locale: en
meta:
description: "Niche score 56/100 · $107K/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 56/100 · $107K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Assassin Snails — $107K/yr Amazon US Niche (2026) - Flapen"
---
# **assassin snails**
**Worth a look**
Shows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 26Growth 24Conversion 71Competition 40Returns 96Price range 88Avg price 95Brand share 28Review moat 91Quality gap 95
**Returns**
**Incredible****0.8%**
return rate — above 6% kills the launch gate
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$26.59**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****183.22**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$7.62–$88.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$107K**
$107K/yr · 61K searches
**Growth**
**Bad****-1.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, assassin snails is a $107K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **assassin snails market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$106K–$133K**
- units × avg price
- **Launch success**
- **—**
- 0 of 1 new (360d)
- **Conversion rate**
- **6.6%**
- **Avg BSR**
- **#1,026**
- **Page quality**
- **0%**
- **Prime**
- **11%**
- **Sponsored**
- **22%**
- **Out of stock**
- **9.7%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **—flat
**Sellers**
**26**
**Top-5 brand share**
**88%**
Top 20: 93%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**4%**
- Swimming Creatures42% - Generic17% - AQUATICMOTIV16% - Aquatic Arts8% - --7% - Aqua Huna6% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.5% search growth over the last 90 days.
2K1KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/assassin-snails/trend)
## **Top assassin snails search terms**
- **assassin snails**34K/yr+6.5%2.8% conv. - **assassin snails live freshwater**16K/yr-27.7%3.0% conv. - **assassin snail**7K/yr+8.9%3.1% conv. - **assassin snails live**4K/yr+4.2%2.2% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/assassin-snails/search-terms)
## **Top assassin snails 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%5%$5K10%$11K15%$16K20%$21K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Swimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)**Swimming Creatures**$39.49**4.3★528 rev](https://www.amazon.com/dp/B0GMDTY515) [2**AQUATICMOTIV Assassin Snails x3 (Clea Helena) Large 3/4 - Live Freshwater Snail**AQUATICMOTIV**$11.55**2.8★13 rev](https://www.amazon.com/dp/B0D57KZ19D) [3**Swimming Creatures 3 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 1/4 - 1/2**Swimming Creatures**$23.46**3.9★48 rev](https://www.amazon.com/dp/B0DDJBD4KK) [4**Assassin Snails x3 (Clea Helena) 1/2 to 3/4 Live Freshwater Snail Plants**Generic**$17.95**3.9★779 rev](https://www.amazon.com/dp/B08ZM6GQX1) [5**Swimming Creatures 10 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 100% Live Arrival Guarantee**Swimming Creatures**$32.28**4.1★45 rev](https://www.amazon.com/dp/B0CZ3BX6KY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Swimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)**Swimming Creatures**$39.49**528 rev5mo ago](https://www.amazon.com/dp/B0GMDTY515) [**Snail Squad Cleanup Trio 30 Snail Value Pack (10 Red Racer 10 Assassin 10 Trapdoor) - Freshwater Cleanup Crew Mega Mix**Generic**$88.64**3 rev1y ago](https://www.amazon.com/dp/B0FHT2XBYD) [**Assassin Snails x3 (Clea Helena) 1/2 to 3/4 Live Freshwater Snail Plants Daily Shipping**Generic**$14.73**60 rev1y ago](https://www.amazon.com/dp/B0F32KRTBD) [**KnickKnack Aquatics Snail Trap - Reusable Easy to use - Designed & Manufactured in USA - Fish & Shrimp Safe (Onyx)**KnickKnack Aquatics**$22.96**137 rev1y ago](https://www.amazon.com/dp/B0F1H5BQNL) [**10 Live Assassin Snails (Clea Helena) Natural Pest Control for Freshwater Aquariums Removes Pest Snails Nano Tank Cleaner**Generic**$33.89**15 rev1y ago](https://www.amazon.com/dp/B0DZH4PM2B)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AQUATICMOTIV Assassin Snails x3 (Clea Helena) Large 3/4 - Live Freshwater Snail**AQUATICMOTIV**$11.55**2.8★**▲ 256%**](https://www.amazon.com/dp/B0D57KZ19D) [**Swimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)**Swimming Creatures**$39.49**4.3★**▲ 214%**](https://www.amazon.com/dp/B0GMDTY515) [**Aquatic Arts 5 Live Assassin Snails/Clea Helena | Snail Remover/Pond Snail Control | Freshwater Aquarium Nano Tank Maintenance**Aquatic Arts**$14.98**4.3★**▲ 41%**](https://www.amazon.com/dp/B07NWKR3V6) [**Swimming Creatures 10 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 100% Live Arrival Guarantee**Swimming Creatures**$32.28**4.1★**▲ 25%**](https://www.amazon.com/dp/B0CZ3BX6KY) [**Aquatic Arts 10 Live Assassin Snails/Clea Helena | Snail Remover/Pond Snail Control | Aquarium Maintenance/Nano Fish Tank Aquariums**Aquatic Arts**$27.98**4.4★**▲ 22%**](https://www.amazon.com/dp/B07NWHMCP1)
**~~View all trending →~~**
## **What buyers say about assassin snails**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**17%
*“They are all good size”*
**Quality-Overall**15%
*“Great quality”*
**Advertised Vs Actual Product**13%
*“does the job”*
**Ease Of Use**11%
*“is very easy to use”*
**Value For Money**7%
*“I am very happy price is great”*
**Taste-Overall**5%
*“Adorable, happy and all healthy”*
**Durability**5%
*“Excellent survival rate”*
**Design-Overall**4%
*“effective design”*
**Pest/Insect Control**3%
*“Will definitely catch khuli loaches”*
**Color**2%
*“So much colors”*
### **What buyers complain about **
**Durability**21%
*“Arrived dead”*
**Size-Overall**15%
*“It would not fit big snails”*
**Functionality-Overall**13%
*“Doesn't work”*
**Color**10%
*“Also, NONE of them have that yellow coloring”*
**Ease Of Use**8%
*“It's difficult to open and close”*
**Smell**4%
*“it smelled so awful”*
**Instructions/User Manual/Troubleshooting**4%
*“Sadly none survived despite precisely following the directions”*
**Quality-Overall**4%
*“Disappointing performance”*
**Pest/Insect Control**4%
*“I had a huge infestation of Malaysian Trumpet Snails in my smaller tank”*
**Value For Money**3%
*“Not worth the money”*
### **Top return reasons **
**Functionality-Overall**39%
**Size-Overall**13%
**Pest/Insect Control**10%
**Defective Material/Parts**7%
**Leak-Proof**7%
**Mechanism Issues**5%
**Advertised Vs Actual Product**5%
**Durability**5%
**Material Quality**3%
**Instructions/User Manual/Troubleshooting**2%
## **Common questions**
- **Is assassin snails profitable to sell on Amazon United States?**
- The niche generates $107K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the assassin snails niche?**
- 8 brands and 26 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in assassin snails?**
- Top complaints mined from reviews: Durability, Size-Overall, Functionality-Overall. The return rate is 0.8%.
- **When does demand for assassin snails peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the assassin snails niche?**
- Listings span $7.62–$88.64; the average listing price is $26.59 (sweet spot $15–$100). The average incumbent carries 183 reviews — the moat a new listing must climb.
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