3 Assassin Snails (Clea helena)


Choose a Pack:: 3 Snails
Price:
Sale price$9.99

Description

The Assassin Snail (Clea helena) is a natural and plant-safe method for controlling unwanted snails in freshwater tanks. With its bold yellow-and-brown shell and calm nature, this hardy snail helps keep your aquarium clean and balanced while adding color and movement to your aquascape.

Key Points:

  • Natural Pest Control
  • Hardy & Adaptable
  • Plant and Fish safe
  • Very Active
  • Black and Yellow Shell Contrast

Native to Indonesia, the Assassin Snail (Clea helena) is a popular choice for aquarium owners who want a natural solution to control pest snails. Its cone-shaped shell with bright yellow and dark brown stripes makes it both valuable and eye-catching in any tank.


Instead of using harsh chemicals, Assassin Snails help control pest snail populations safely and naturally. They feed on nuisance snails, such as pond or ramshorn snails, keeping your aquarium clean without harming plants or fish.


These snails are peaceful, easy to care for, and suitable for beginners. They thrive in a variety of water conditions and make a great addition to community tanks with shrimp or small fish.


Every snail we send is health-checked, and responsibly sourced, backed by our Live Arrival Guarantee for your peace of mind.


Quick Facts

Parameter

Ideal Range

Tank Size (Minimum)

5 gallons

Temperature

72–82°F

pH

7.2–8.0

GH

6–8

KH

2–12

Lifespan

Up to 3 years

Diet

Pest snails, shrimp pellets, bloodworms, brine shrimp, detritus

Compatibility

Peaceful fish, bigger shrimp, and live plants


How to Care

Slowly acclimate your Assassin Snails before adding them to the tank. Use fine gravel or sand as the substrate and avoid any products containing copper, which can harm snails. Feed them occasionally with frozen foods or pellets if pest snails are not available. Maintain a clean and stable water environment for optimal results.

Behavior Profile

The Assassin Snail moves deliberately across the substrate, burrowing slightly as it hunts for food. Its alternating yellow and brown shell pattern stands out beautifully in planted aquariums. 

These snails are calm, curious, and active during feeding, offering both practical benefits and natural entertainment for aquarists.


Best For

  • Aquarists dealing with unwanted pest snails in planted or shrimp tanks.
  • Beginner to intermediate hobbyists looking for an easy, low-maintenance snail.

  • Community tank owners who prefer a natural pest control method instead of chemicals.

FAQs

Are Assassin Snails safe for planted tanks? 

Yes. They’re completely plant-safe and only feed on pest snails or leftover food, keeping aquariums balanced and healthy.

Can they live with shrimp or fish?

Absolutely. Assassin Snails are peaceful, non-aggressive, and perfectly compatible with bigger shrimp, tetras, guppies, and other calm freshwater species.

Do Assassin Snails reproduce quickly?

No. They reproduce slowly in freshwater, laying a few eggs occasionally, so they never overpopulate or crowd your aquarium.

What do they eat besides pest snails?

They eat protein-rich foods like shrimp pellets, bloodworms, or brine shrimp when pest snails are scarce in the aquarium.

How many should I keep in my tank?

One snail per 5–10 gallons is effective for pest control without overcrowding or affecting tank balance.

Do you guarantee live delivery?

 Yes. All Assassin Snails are health-checked, and shipped with Aquatic Motiv’s reliable Live Arrival Guarantee.

It is possible that some snails have some shell defects from their wild encounters.
DO NOT USE COPPER IN AQUARIUMS CONTAINING SNAILS!

Customer Reviews

Based on 151 reviews
89%
(134)
6%
(9)
3%
(4)
1%
(1)
2%
(3)
K
Katelynn Dunkle
Snails were dead

Snails came to me dead, after I got my dead snails there was a card that said “anything wrong let us know we will make it right” so I did, then all of a sudden there was all these regulations and guides and rules about shipping in weather and if you don’t pay for first class arrival for ur snails don’t worry about getting them alive!

Hello. Thank you for your review.
I understand your frustration and apologize once again for the DoA snails.
You reached out to us on Saturday and despite not following our policy, as explained in our communication via the Live Chat, we still decided to open an exception and send you a replacement.
Thank you.

B
Brandon Riggs

Great place to shop!

A
Adana Harms

A+ fast shipping item is as described.

B
Ben Larson

They appear alive so thats a good start

I
Isaac Roush

Seller sent item as described, unfortunately the shipping got messed up on USPS's part, and almost all of them showed up DOA. Seller did a great job though.

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