Do Assassin Snails Eat Each Other: Myths & Facts! (Revealed)

Do assassin snails eat each other in home tanks? Assassin snails, known for their unique name and predatory behavior, have become a popular choice for aquarium enthusiasts looking to control the population growth of pest snails in their tanks.

However, a common misconception surrounds these fascinating creatures: will assassin snails eat each other? 

In this ultimate care guide, we will delve into the myths and facts surrounding the cannibalistic behavior of assassin snails to reveal the truth behind this intriguing topic.

Assassin snails

With their striking brown stripes appearance and efficient hunting skills, assassin snails have gained a reputation for being ruthless predators.

But do they turn on their kind when food becomes scarce in the aquarium environment? Join us as we unravel the mysteries surrounding these creatures and explore the truth behind whether they prey on each other.

Let’s separate fact from fiction and uncover the reality of this captivating aspect of assassin snail behavior. 

Is There a Snail That Eats Other Snails?

Yes, a species of snail eats other snails ‚Äď the¬†clea¬†helena¬†snail. Also known as the assassin snail, these snails are largely¬†freshwater. They can help control populations of pest snails like¬†Malaysian trumpet snails¬†or¬†apple snails¬†in a¬†planted tank.

This species has the ability to consume smaller snails due to their size difference. If you are interested in keeping helena snails, please provide them access to freshwater and plenty of empty snail shells to stay safe.

How Do Assassin Snails Kill

A gallon tank with many hiding spots is best for them. The Helena snails are slow maters; you can keep them together in a planted tank. As an adult, they can lay eggs, and the baby snails will hatch in around 10 hours.

The helena snails have a general rule of mating, and the size of the egg is dependent on the size of the males and females.

If you’re curious about how they consume other snails, you can easily find a video or thread online that explains precisely how they do it. As a hobby, some people enjoy culturing helena snails to help control snail populations in their tanks.

Helena snails are especially great for those who have a difficult time keeping their tank free of pest snails. In general, snails like the helena snail can not only help save your plants but also provide an exciting aspect to your freshwater tank.

Do Assassin Snails Eat Each Other in Aquariums?

No, assassin snails typically don’t eat each other in aquariums. While they are carnivorous, they won’t start eating each other even when food is scarce. They target other snail species and can survive on algae or detritus if necessary.

They are predators focused on other snail species, worms, and carrion. There are anecdotal reports of them attacking shrimp or tiny fish. Still, they seem to leave other assassin snails alone even when fish food is scarce.

However, it is always a good idea to monitor your aquarium and observe the behavior of your snails to ensure they are not exhibiting any unusual aggression toward each other. Notice any signs of aggression or cannibalism. It may be necessary to separate them into different tanks to prevent any harm.

How Often Do Assassin Snails Eat Each Other?

Snails Assassin tends to avoid eating each other. They are opportunistic carnivores, meaning they will go for the easiest prey available. This means they will much prefer to target other slower or weaker snails like bladder snails or ramshorn snails over another assassin snail.

There are a few reasons why these snails don’t readily consume each other:

  • Similar size and threat:¬†They are generally identical to each other. Taking down another assassin snail would be a much bigger challenge than a smaller prey item.
  • Energy expenditure:¬†The fight and consumption of another assassin snail would require much energy. It‚Äôs simply not as efficient for them to go after another healthy assassin snail when there might be easier targets around.
  • Peaceful co-existence:¬†They are solitary creatures, but they generally tolerate each other in a tank.

However, there is a very slight chance you might see cannibalism under extreme circumstances. If there is a minimal food source and your snails are starving, they might attack a weaker tank mate. This is uncommon, however.

Do assassin snails kill each other?

No, assassin snails are not known to kill or eat each other. They are solitary and peaceful towards their own kind, though they will happily hunt other snail species.

Can you remove a snail from its shell without killing it?

No, you cannot try to remove a snail from its shell. Their shell is vital for their body, and removing it would be fatal.

Do assassin snails eat assassin snails?

No, they leave other colleges alone. They focus on hunting different snail species, not larger snails or their own kind.

Will assassin snails overpopulate a tank?

Assassin snails likely won’t overpopulate a tank. Their breeding slows down as prey (other snails) become scarce.

Do assassin snails kill Nerite snails?

They might target young Nerites, but adult Nerites are usually safe. They prefer smaller prey.

Do assassin snails Cannibalise?

No, they are not known to cannibalize. They peacefully coexist with their kind while hunting other snail species.

What eats assassin snails?

Large fish, like certain cichlids and loaches, enjoy snacking on assassin snails, preying on their softer bodies.

How many assassin snails per tank?

Start with one assassin snail per 10 gallons of tank size. Adjust based on the number of pest snails you have.

Can I put assassin snails with mystery snails?

Proceed with caution. Assassin snails might attack young mystery snails. If your mystery snails are fully grown, the risk is lower, but consider the tank size and the number of snails.

How often do you feed assassin snails?

They don’t need frequent feeding. They hunt other snails and scavenge for leftovers. Supplement their diet with sinking carnivore food if required.

Do assassin snails eat snails?

Yes, they are excellent predators of pond snails! They actively hunt and eat other snail species, including pond snails, making them a natural pest control option for aquariums.

Final Thoughts

So, will assassin snails eat each other? In conclusion, assassin snails, with their brown stripes, are fascinating creatures that provide a natural solution to controlling unwanted snail populations in aquariums. Their unique hunting abilities and willingness to consume a variety of snail species make them a popular choice among aquarium enthusiasts. However, it’s important to note that while assassin snails are efficient predators, they do not typically target and eat each other. Their primary focus is on snails and other small invertebrates.

So, do assassin snails eat each other? if you’re considering adding these snail species to your aquarium, rest assured that they won’t turn on their own kind. Instead, they’ll work diligently to keep your breeding tank free from snail overpopulation, maintaining a healthy and balanced aquatic environment. So, go ahead and introduce these remarkable snails into your aquarium setup without worrying about them turning into cannibals!

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About Me

I am the founder of, a devoted wife and mother, and an avid fish enthusiast. My aim is to assist fellow fish lovers worldwide in understanding how to properly care for and breed their pet fish.

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