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Assassin Snail
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Assassin Snail (Clea helena)
Additional locales and sizes may be available!

Quick Stats

Care Level Moderate
Temperament Peaceful
Color Form Black, Orange
Diet Omnivore
Water Conditions 68-74° F, KH 2-15, pH 6.5-7.5
Max. Size 3"
Origin Indonesia
Family Pachychilidae
Minimum Tank Size 30 gallons
Compatibility View Chart
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Control runaway snail populations with hired assassins! The Assassin Snail, or Snail Eating Snail, is a small, easy-to-keep freshwater invert completely harmless toward fish and shrimps, but quite effective in reducing nuisance snail explosions. It is also extraordinarily eye-catching in planted aquariums, featuring a bright yellow with chocolate brown striped shell.

In the wild, you'll find the Assassin Snail living in clean, fast-flowing streams with sandy or muddy substrates, though they are also tolerant of a wide range of water conditions, including ponds and ditches, making them a hardy addition to the home aquarium. Opportunistic carnivores, the Assassin Snail feeds on both live prey and scavenged detritus. They stay partially hidden under the sediment, and if a snail its size or smaller slides past, they will give chase and devour it. Otherwise, Clea helena is a peaceful community tank resident. Fish are at no risk at all once mobile, and livebearer fry are ignored.

To address an existing population explosion of Malayan live-bearing snails or alike, consider stocking quite a few Assassin Snails, ideally 5 snails for every 15 gallons in your system.

Approximate Purchase Size: 1/4" to 1/2"

Customer Testimonials

Pat R Fort Myers , FL
Unwanted snails are a fact of life in a planted aquarium. My tank was overwhelmed by them and manually removing them was futile. Not wanting to use a chemical fix, I started with one Assassin snail and was amazed at it's voracious appetite. Think Pac-Man goobling ghosts! I have added more Assassins and the snail problem is now a thing of the past. I highly recommend this natural method of snail control.
Bruce M Lawton , OK
My tank was overrun with small, conical snails, literally thousands of them. Nothing I did to control them without dangerous chemicals worked. Then, there was the Assassin Snail. Inside of two months the nuisance snails were gone. After a year, I only see an occasional Assassin Snail.
Monica N Pomana , CA
This little guy moves fast for a snail! It's so fun to watch it move around the tank. It's beautiful too. Of course, clearing up the unwanted pond snails for my tank is a huge plus as well! Love it!!
Lauren B Athens , GA
AMAZING!!!! I love my assassin snail. I started off with 20+ cone snails/other unwanted snails and now I am down to 5. Heh, this guy works. I recommend 100%!
1-4 of 4 testimonials

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