assassin snails
Worth a lookShows low returns (0.8%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.8%return rate — above 6% kills the launch gate
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible$26.59avg listing price — sweet spot $15–$100
Review moat
Great183.22avg incumbent reviews — the moat a new listing must climb
Price range
Great$7.62–$88.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.6%search→purchase rate — share of searches ending in a sale
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Brand share
Okay88%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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top assassin snails search terms
- assassin snails34K/yr
- assassin snails live freshwater16K/yr
- assassin snail7K/yr
- assassin snails live4K/yr
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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Swimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)
Swimming Creatures$39.494.3★528 rev
AQUATICMOTIV Assassin Snails x3 (Clea Helena) Large 3/4 - Live Freshwater Snail
AQUATICMOTIV$11.552.8★13 rev
Swimming Creatures 3 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 1/4 - 1/2
Swimming Creatures$23.463.9★48 rev
Assassin Snails x3 (Clea Helena) 1/2 to 3/4 Live Freshwater Snail Plants
Generic$17.953.9★779 rev
Swimming Creatures 10 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 100% Live Arrival Guarantee
Swimming Creatures$32.284.1★45 rev
Newest
by launch dateSwimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)
Swimming Creatures$39.49528 rev
Snail Squad Cleanup Trio 30 Snail Value Pack (10 Red Racer 10 Assassin 10 Trapdoor) - Freshwater Cleanup Crew Mega Mix
Generic$88.643 rev
Assassin Snails x3 (Clea Helena) 1/2 to 3/4 Live Freshwater Snail Plants Daily Shipping
Generic$14.7360 rev
KnickKnack Aquatics Snail Trap - Reusable Easy to use - Designed & Manufactured in USA - Fish & Shrimp Safe (Onyx)
KnickKnack Aquatics$22.96137 rev
10 Live Assassin Snails (Clea Helena) Natural Pest Control for Freshwater Aquariums Removes Pest Snails Nano Tank Cleaner
Generic$33.8915 rev
Trending
90-day click momentumAQUATICMOTIV Assassin Snails x3 (Clea Helena) Large 3/4 - Live Freshwater Snail
AQUATICMOTIV$11.552.8★
Swimming Creatures Freshwater Aquarium Shrimp - A Perfect Combo to Brighten Your Aquarium! (20 Mixed + 4 Assassin Snail)
Swimming Creatures$39.494.3★
Aquatic Arts 5 Live Assassin Snails/Clea Helena | Snail Remover/Pond Snail Control | Freshwater Aquarium Nano Tank Maintenance
Aquatic Arts$14.984.3★
Swimming Creatures 10 Assassin Snails Live for Freshwater Aquarium (Clea Helena) 100% Live Arrival Guarantee
Swimming Creatures$32.284.1★
Aquatic Arts 10 Live Assassin Snails/Clea Helena | Snail Remover/Pond Snail Control | Aquarium Maintenance/Nano Fish Tank Aquariums
Aquatic Arts$27.984.4★
What buyers say about assassin snails
What buyers praise and complain about, mined from review topics.What buyers love
“They are all good size”
“Great quality”
“does the job”
“is very easy to use”
“I am very happy price is great”
“Adorable, happy and all healthy”
“Excellent survival rate”
“effective design”
“Will definitely catch khuli loaches”
“So much colors”
What buyers complain about
“Arrived dead”
“It would not fit big snails”
“Doesn't work”
“Also, NONE of them have that yellow coloring”
“It's difficult to open and close”
“it smelled so awful”
“Sadly none survived despite precisely following the directions”
“Disappointing performance”
“I had a huge infestation of Malaysian Trumpet Snails in my smaller tank”
“Not worth the money”
Top return reasons
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.