Assassin Snail
The Assassin Snail is a freshwater snail commonly kept in aquariums to help control populations of other snail species. Native to Southeast Asia, it is known for its predatory behavior and ability to consume various types of snails.
Key Details
| Scientific Name | Clea helena |
|---|---|
| Origin | Southeast Asia |
| Life Span | 3-5 years |
| Maximum Size | 1.5 inches |
| Diet | Omnivorous: consumes other snails, algae, leftover fish food, and dead plant material |
FAQ
What does the Assassin Snail eat?
The Assassin Snail is omnivorous and primarily feeds on other snail species, algae, leftover fish food, and dead plant material.
How big does an Assassin Snail grow?
The maximum size of an Assassin Snail is 1.5 inches.
Where are Assassin Snails originally from?
They are native to Southeast Asia.

Nicholas Bell –
I added an Assassin Snail to my aquarium to manage the growing snail population. It has been actively hunting smaller snails and eating algae without causing any issues. The snail is quiet and doesn’t seem to stress the fish. A useful addition to any freshwater tank.
Anne MacLeod –
The snail arrived quickly and looks healthy. It has started eating the algae and small snails I had in the tank. I didn’t expect it to be so effective at controlling the population. Just make sure to provide some plant material for it to graze on.
Peter Baker –
After introducing the Assassin Snail, I noticed a significant reduction in the number of snails. It’s a smart choice for anyone dealing with snail overpopulation. Easy to care for and doesn’t require special conditions.