
In the absence of snails, you can provide high-protein fish pellets, flakes, and algae chips. It is thought that the growth rate of assassins is halted if their food is not rich in protein. You can use live foods like brine shrimp and bloodworms to diversify their diet.
Do assassin snails eat algae?
Assassin snails are carnivorous (scavengers and predators). They do not eat algae. They eat dead organisms and consume meaty leftovers. If the prey is not strong enough to escape and/or fight back, they can feed on live organisms (including worms and other snails) as well.
How do I Keep my assassin snail from getting sick?
As always, prevention is the best way to handle diseases. If you provide great care and have impeccable water quality in their tank, the chance of your Assassin Snail getting sick goes down significantly. Assassin Snails are carnivorous and eat protein-based foods only.
How to get assassin snails to breed?
Therefore, if you see that your Assassin snails thrive and breed it is a sure sign. Solution: Feed them less. Make them work for it. Consumption rate: Depending on the size of the prey, Assassin snails need to eat 1 – 3 snails per 1 – 3 days. Therefore, do not expect miracles. They cannot eat non-stop.
What substrate is best for assassin snails?
For the most part, a sandy substrate is the only high-priority requirement for Assassin Snails. You can feel free to decorate the rest of your tank how you like.

What do assassin snails eat when there are no snails?
According to some sources at least, in the absence of snails, fare such as bloodworms will allow assassin snails to continue to breed, but fish flakes and whatever it can scavenge may not.
What food do assassin snails eat?
In addition to eating snails, Assassin Snails may be interested in fish flakes, blood worms and other protein rich supplements. In a pinch, Assassin Snails may also be interested in scavenging for meaty debris and dead fish.
Do assassin snails eat pest snails?
Assassin snails, scientifically known as “Clea Helena,” are a black and yellow striped snail with an elongated shell. These snails are carnivores, and so they eat pest snails in the tank, along with decaying matter such as fish food.
Do assassin snails eat tiny snails?
Assassin snails are easy to care for because they get along well with fish and tolerate a range of water conditions. In the wild, these carnivores eat worms, dead organisms, and small snails such as ramshorns and Malaysian trumpets.
Do assassin snails eat shrimp pellets?
Once all of your pest snails are gone within your aquarium, assassin snails will move over and eat fish food as well. Therefore, if you run out of pest snails in your shrimp tank, you can also give them the fish or shrimp pellets/ granules, white mosquito larvae, or meaty food like the bloodworms, etc.
Is one Assassin Snail enough?
Assassin Snails are easy to care for and aquarists of any skill level can keep them. A good general rule to follow is that your Assassin Snail should be the smallest and slowest snail in your aquarium....About Assassin Snails.Assassin SnailTemperament:PeacefulLifespan:2-3 yearsMinimum Tank Size:10 gallons8 more rows•Jan 27, 2021
Can assassin snails become pests?
They breed very slowly for a snail, and so rarely become a pest on their own. However, they can be difficult to completely remove from an aquarium, since they spend so much of their time buried in the substrate.
Can assassin snails eat garden snails?
As mentioned before, assassin snails do not strictly feed on just other snails. While they can wipe out entire populations of pond snails, ramshorn snails, and trumpet snails, they are opportunists that will eat anything that makes its way to the bottom of your tank.
How long can assassin snails live out of water?
Aquarium snails can not survive outside of the water for long because their body dries out. If a water snail is placed on land, it would survive just a couple of hours. Some snails go out of the water to eat or lay eggs, but quickly return afterwards. As long as a snail is wet it's able to survive.
Can assassin snails live in gravel?
Assassin snail requirements The snails don't have any specific demands when it comes to décor. They appear to naturally inhabit waters with a sandy substrate where they can hide and wait for unsuspecting prey, but aquarists have found they do just fine on gravel as well.
Will assassin snails eat each other?
Do Assassin Snails Eat Each Other? No, they do not eat each other. They are not interested in eating species of their kind. Even they do not eat the eggs or young ones.
Can assassin snails live out of water?
Aquarium snails can not survive outside of the water for long because their body dries out. If a water snail is placed on land, it would survive just a couple of hours. Some snails go out of the water to eat or lay eggs, but quickly return afterwards. As long as a snail is wet it's able to survive.
Do assassin snails eat live fish?
An assassin snail's natural diet is mainly composed of other species of snails and worms, though they are also opportunistic feeders. They will eat almost anything that they can scavenge, and this includes decomposing fish and other small invertebrates.
Can assassin snails live with betta fish?
As long as you keep your water parameters good you shouldn't have a problem. I'd only add assassin snails to your tank if you really need them. Because of their size, your betta may see them as more of a threat and begin attacking them. But if other snails are overrunning your tank then they are your best option.
When Buying An Assassin Snail from Stores
When buying Assassin Snails look for specimens that appear active. An Assassin Snail should be affixed to hard surfaces like aquarium glass or deco...
Assassin Snail Care: Moderate
One of the good things is that Assassin Snail care is no too difficult. Its not as easy as caring for some other types of snails, but as long as wa...
Breeding Assassin Snails and Reproduction
Populations of Assassin Snails reproduce in fresh water by laying eggs. Assassin Snails lay one egg at a time. Groups of single eggs often appear i...
Common Assassin Snail Tank Mates
Since Assassin Snails are carnivores, care must be taken when selecting tank mates. Assassin Snails seem very comfortable around others of their ki...
What size tank do Assassin snails need?
The minimum recommended tank size for Assassin snails is a 5-gallon (20-liter) tank. Bigger tanks have a greater capacity to absorb sudden water changes and shifts than smaller tanks do.
Why are assassin snails so popular?
It is a well-known fact that Assassin snails became very popular among aquarists because they have a reputation of being able to keep populations of some other freshwater snails under control. Their voracious and non-selective appetite for living snails, as well as carrion, will work really well for any tank.
How many Assassin snails are there in Clea Helena?
Males and females cannot be distinguished by external features. That is why it is necessary to have at least 4 – 5 Assassin snails to ensure that both male and female are present. In Clea Helena, courtship starts with the male climbing over a female shell and holding it firmly for a period of 20 – 30 minutes.
How many snails were in the Clea Helena experiment?
The experiment with Clea Helena involved 10 adult predatory snails, which were planted in an aquarium with 100 Malaysian Trumpet snails and the Quilted Melania. In order to test the range of nutrition for Assassin snails, after the first week of the experiment, artificial and natural forages were added to the model aquarium.
How long do assassin snails live?
In aquariums, Assassin snail can live up to 5 years under optimal conditions.
Why do assassin snails bury in the substrate?
When Assassin snails are not hungry, they often bury in the substrate as a precaution against potential predators (for example fish, crayfish, crabs). They can spend underneath the substrate several hours before they start feeling hunger. So, when other snails come close enough, they may attack.
What is the most common snail in an aquarium?
Assassin snails (Clea Helena) are one of the most common snails in aquarium hobby these days. Their increasing popularity as aquarium pets should not be a surprise, though. They are often sold in the aquarium trade as a biological agent intended for controlling the aquarium overgrowing by other pest snails (like Bladder snails, Pond snails, Ramshorn Snails, and Malaysian Trumpet Snails ).
What substrate do Assassin snails need?
For the most part, a sandy substrate is the only high-priority requirement for Assassin Snails. You can feel free to decorate the rest of your tank how you like. We like to go the extra mile when it comes to our critters, and we think you should too.
What is an assassin snail?
The Assassin Snail ( Clea helena or Anentome helena) is a unique addition to freshwater tanks. While most other snail species are used exclusively for keeping ecosystems clean, these critters have a different claim to fame. They’re carnivores that like to feed off of other snails!
How long do assassin snails live?
Lifespan. The average Assassin Snail lifespan is somewhere between 2 and 3 years. While that is the norm, some enthusiasts have reported these gastropods living for upwards of 5 years! Tank conditions and diet play a big role in their overall health and lifespan.
Why does the Assassin Snail have a trap door?
That’s because it has an operculum. Basically, it’s a trap door that allows the snail to seal itself off in its shell. To get around the tank, the Assassin Snail has a very muscular foot. It contracts to help the critter navigate its surroundings. Of course, the snail’s movements are slow and steady.
How many snails can you keep in a tank?
You can keep a collection of 6 or more snails in one tank to increase the odds of successful breeding. The snails have a bit of a mating ritual. The critters pair up and follow each other for several hours. This is a noticeable change in behavior as most snails don’t even acknowledge others in normal circumstances.
Where are assassin snails found?
Even a small collection of Assassin Snails can take care of a large colony of smaller species in a few weeks. Originally found throughout Southeast Asia, Assassin Snails have become very popular among aquarists. Not only do they serve a practical purpose in fish tanks, but they’re very easy to care for.
Can copper kill snails?
For example, copper-based medications can kill these snails off quickly. If you notice any signs of sickness your best bet is to separate the snails from any fish that could get infected. You don’t want your snail problem to affect the whole tank! As always, prevention is the best way to handle diseases.
How much water do assassin snails need?
Before you start playing with water, though, you need an appropriately sized tank. At a minimum, a tank for your assassin snails alone should hold ten gallons of water. If you’re looking to introduce your assassin snails to a pre-existing tank, you may want to look into expanding your habitat to better address the needs ...
What is the water requirement for an assassin snail?
The assassin snail’s basic water requirements have already been touched on; they prefer warmer waters with a higher than average acidity and hardness. Their sensitivity to the water in which they live, though, should be noted.
How long do assassin snails live?
The assassin snail does about as well in captivity as it does in the wild; the average assassin snail lifespan, in an aquarium or otherwise, is roughly two years. It’s in your best interest, all the same, to try and emulate the assassin snail’s natural habitat when you bring the critters into your home.
What are assassin snails?
Assassin snails are also known as bumblebee snails. The yellow and dark brown stripes on their shells make them stand out in an aquarium and in the wild, though they make beautiful additions to the schools of fish they may live among while in captivity.
What do slugs eat?
They will eat fish eggs, fry, planaria, frozen or fresh fish food, bloodworms , and live prey if they have the chance, and while their ability to hunt pest snails is exceptionally useful, they have also been known to utterly decimate snail populations.
Do assassin snails eat their kin?
If underfed or bored, it is entirely possible that your assassin snail population will turn on itself. However, it is not the assassin snail’s first instinct to eat its kin. Maintain a healthy diet for your collection of snails, and you shouldn’t experience any issues of the sort.
Can assassin snails be male or female?
Male assassin snails have distinctly different sex organs than females. All the same, it can be difficult, if not impossible, to casually tell a male apart from a female.
Assassin Snail Lifespan
If you cater to the needs of your Assassin Snails, which is admittedly a low-maintenance prospect, you can expect your snails to live for 2 – 3 years without too much problem.
Assassin Snail Appearance
Assassin snails have a neat appearance that is interesting and eye-catching in any tank setup.
Assassin Snail Habitat And Tank Requirements
Since these snails hail from Southeast Asia, the waters they enjoy are warm and slow-moving as well as slightly alkaline.
How To Feed Assassin Snails
Since these snails are purely carnivorous, they need a steady supply of meat to thrive.
Assassin Snails Common Diseases And Illness
When it comes to the health of your Assassins, you should consider their shell health. Adding Calcium supplements into the water system will help with a shell structure.
Assassin Snail Breeding
For any hobbyist looking for an easy breed ing project with snails, Assassins are quite happy to breed in captivity, and it’s fairly easy to have your own little population if you put in the work.
Are Assassin Snails Good For Your Tank Community?
We bet they are as long as your tank mates are compatible and won’t consider them food!
About Assassin Snails
The Assassin Snail, Clea helena, is a freshwater snail from the Nassariidae family.
Assassin Snail Appearance
Assassin Snails are related to whelks and they have the same grooved conical shells.
Assassin Snail Breeding and Eggs
It can be difficult to breed the Assassin Snail because it is so hard to tell the males and females apart.
Tank Mates
In the wild these reclusive snails keep to themselves and do not associate with any of the native wildlife. Their ecosystem dynamics are not very well understood.
Assassin Snail Care Guide
Anybody can care for an Assassin Snail and they can be kept in a tank of just about any size.
Species History
Not much is known about this snail’s history as they have not been studied extensively in the wild.
What happens when an assassin snail eats all the other snails in a tank?
But what happens when the assassin snail has eaten all of the other snails in a tank? Luckily, it is able to subsist on other food. It will take fish food like flakes, pellets and algae chips, as well as graze on algae and biofilm. It is believed, however, that an assassin snail’s reproductive rate is slowed or halted unless its fare is protein-rich. According to some sources at least, in the absence of snails, fare such as bloodworms will allow assassin snails to continue to breed, but fish flakes and whatever it can scavenge may not.
What are trumpet snails?
Melanoides tuberculata snails , often called trumpet snails, are prized in many planted tanks for the same reason that earthworms are welcome in gardens: their movement through the substrate is beneficial to the plants. Yet it only takes one tiny, hard-shelled trumpet snail to wreak havoc on the impeller blades of a power filter. Similarly, ramshorn snails ( Planorbis spp .) are often put into rearing tanks with free-swimming fry to help take care of uneaten food, which they do enthusiastically. The downside is that if they get plenty of food, they can breed explosively, overwhelming a tank in a surprisingly short time.
Can a fish eat assassin snails?
I expect that any fish species that enjoys snails in its diet would appreciate assassin snails as much as any other species. Puffers and most medium to large loaches are probably poor choices as tankmates. Any fish that will generally leave snails alone should be compatible.

Species Summary
Appearance
Size
Assassin Snail Care
Common Possible Diseases
Food & Diet
- Assassin Snails are carnivorous and eat protein-based foods only. Their favorite type of food is actually other snailsthat are smaller than them. They’re not picky either. These animals will attack any snail they can. Many owners feed them Trumpet Snails, Rabbit Snails, Ivory Snails, and Ramshorn Snails. Assassin Snails will also feed off of the eg...
Behavior & Temperament
Tank Mates
Assassin Snail Breeding
Wrapping Up