Freshwater Rabbit Snails Size 101: (Tank Size & Care Guide)

Freshwater rabbit snails, also known as Tylomelania, are intriguing and unique creatures that can make a great addition to your freshwater aquarium. But what is the maximum rabbit snails size in freshwater tanks?

These snails are not only beautiful to look at, with their bright coloration and exciting patterns, but they also play a valuable role in your tank’s ecosystem. 

In this guide, we will focus on the size requirements for freshwater rabbit snails and the care tips needed to ensure their health and well-being.

How Long Rabbit Snails Live

It is essential to understand the specific tank size requirements for freshwater rabbit snails, as they can grow up to three inches in length. A larger tank with plenty of space and hiding spots will allow these snails to thrive and exhibit their natural behaviors.

Additionally, proper water parameters and a balanced diet are essential for the overall health of freshwater rabbit snails. Stay tuned as we delve deeper into the world of freshwater rabbit snails and learn how to care for these fascinating creatures in your aquarium. 

What is the Maximum Rabbit Snails Size?

Sulawesi Rabbit Snails tylomelania gemmifera can reach a maximum size of approximately 3 inches (7.5 centimeters).

However, it’s important to note that individual sizes can vary within this range, and genetics, diet, and environmental conditions can influence their growth rate. Some Rabbit Snails may reach their maximum size within a shorter period, while others may take longer to reach their full potential. 

Additionally, it’s worth mentioning that proper care and maintenance of their habitat contribute to their overall well-being and size. 

By providing them with a suitable environment, a balanced diet, and optimal water parameters, you can help your Rabbit Snails thrive and achieve their maximum size.

The Ideal Rabbit Snail Tank Size

The ideal tank size for rabbit snails depends on several factors, including the number of snails, size, availability of hiding places, and suitable water parameters. Generally, a larger tank is better for rabbit snails as it provides more space for them to explore and helps maintain stable water conditions.

A minimum tank size of 10 gallons (38 liters) is typically recommended for a small group of rabbit snails. However, a larger tank is advisable to keep more snails or larger species. As rabbit snails grow, they can reach sizes of 2 to 3 inches (5 to 7.5 cm) or even larger, so it’s essential to consider their potential adult size when choosing a tank.

Do Rabbit Snails Reproduce Asexually

Regarding water parameters, Sulawesi snails prefer slightly alkaline and hard water conditions. The temperature should be maintained between 75°F and 82°F (24°C to 28°C), with a pH level around 7.5 to 8.0.

To create an ideal habitat for your rabbit snails, you should provide hiding places such as caves, driftwood, or rocks. These snails enjoy burrowing into the substrate, so a soft substrate like sand or fine gravel is recommended. Live plants can also be beneficial, as they provide cover and help maintain water quality.

Remember to perform regular water changes and monitor the water parameters to ensure a healthy environment for your rabbit snails.

Rabbit Snail Care Requirements

Poso rabbit snails are a type of freshwater snail hailing from Sulawesi, Indonesia. They come in various colors, such as orange poso, and are popular snails in the aquarium hobby. Unlike pest snails, poso rabbit snails are known for being peaceful tank mates that won’t overpopulate your tank.

These snails produce much waste, so keeping ammonia and nitrite levels at 0 ppm is essential. They primarily feed on plant matter, algae wafers, and fish food pellets.

It’s recommended that vegetables like zucchini or cucumber be blanched for them to consume. Additionally, they may also feed on goldfish or crayfish food. These snails are prolific breeders, laying every 4-6 weeks and releasing a small white egg that hatches one to three baby snails.

Golden rabbit snails, also known as elephant snails or trumpet snails, are popular choices for a community tank. They are peaceful and can coexist with other snails, such as nerite, ramshorn, and mystery snails. Adding assassin snails or pond snails can help control populations of pest snails.

When it comes to their environment, they prefer places to hide and thrive well in tanks with live plants like java ferns or buce plants.

A canister or filter is necessary to maintain a healthy tank, as they are sensitive to nitrate levels. Regular water changes and the addition of plant fertilizers will help keep them happy and healthy in your tank.

Reproduction/Rabbit Snail Breeding

Rabbit snails are less prolific than some other aquatic snail species. They are dioecious, meaning there are separate male and female snails. This is unlike many other freshwater snails that are hermaphroditic (having both male and female reproductive organs).

Rabbit snails reach sexual maturity after around one year. Their reproductive rate is also quite slow compared to other aquatic snails, typically laying every 4-6 weeks if conditions are right.

Here’s a quick rundown of rabbit snail reproduction:

  • Sexual Maturity: 1 year old
  • Reproduction Rate: Every 4-6 weeks
  • Eggs: 1-2 live young in a small white egg sack

The female snail will deposit a small, white egg sack that usually contains one or two baby snails. These babies are livebearers and will emerge from the sack ready to explore their environment for food. The egg sack will often be attached to aquarium plants or rocks.

Here are some things to keep in mind if you want to breed rabbit snails:

  • Provide a well-established aquarium with plenty of hiding places for the snails.
  • Maintain good water quality with stable parameters.
  • Offer a diet that includes both algae and blanched vegetables.
  • Keep a group of at least 4-6 snails to increase the chances of having both males and females.

Even with ideal conditions, rabbit snails will not overrun your aquarium. Their slow reproduction rate makes them a good choice for aquariums that can handle a small bioload.

Recommended Tank Parameters

With their intriguing long noses and peaceful nature, rabbit snails can make fantastic additions to a freshwater aquarium. To ensure they thrive, here’s a breakdown of ideal tank parameters:

Rabbit Snail Tank Size:

  • Minimum 10 gallons: While rabbit snails are relatively small, they are active and appreciate space to explore. A 10-gallon tank is suitable for a small group.
  • Larger is better: If you plan to keep multiple snails or have them cohabitate with fish, consider a 20-gallon tank or larger to provide ample room and maintain stable water conditions.

Water Parameters:

  • Temperature: 76-86°F (24-30°C) – Rabbit snails are tropical and prefer warmer water temperatures.
  • pH: 7.0-8.0 – Slightly alkaline water is best. Avoid acidic conditions.
  • Hardness: 8-18 dKH – Moderately hard water is ideal for maintaining healthy shell growth.
  • Ammonia and Nitrite: 0 ppm – As with any aquatic creature, ammonia and nitrite should always be kept at 0 ppm to prevent poisoning.
  • Nitrate: <20 ppm – While rabbit snails somewhat tolerate nitrates, keeping them low is crucial for long-term health.

Additional Considerations:

  • Substrate: Choose a soft, sandy substrate to prevent damage to their delicate bodies as they burrow and graze. Avoid sharp gravel.
  • Decorations: Provide hiding places like caves, driftwood, and plants. Rabbit snails are nocturnal and appreciate having secure resting spots during the day.
  • Filtration and Aeration: Ensure adequate filtration to maintain water quality and prevent waste buildup. Good water movement and oxygenation are essential.
  • Calcium: Supplementing calcium is crucial for healthy shell development. You can add calcium-rich foods, such as cuttlebone, or use a liquid calcium supplement.
  • Tank Mates: Rabbit snails are peaceful and do well with other non-aggressive tank mates. Avoid fish that might nip at their long antennae or try to eat them.

Remember: Regularly monitor water parameters and perform routine water changes to maintain optimal conditions for your rabbit snails to flourish.

Finding the Perfect Roommates: Compatible Tankmates for Rabbit Snails

Rabbit snails are peaceful and friendly residents, making them ideal for community tanks. However, choosing suitable tankmates is crucial for their well-being.

Here are some factors to consider and a list of suitable companions:

Factors to Consider:

  • Temperament: Opt for peaceful and non-aggressive tankmates. Avoid fish or invertebrates known to be fin nippers or snail hunters.
  • Size: Choose tankmates of similar size or more significant than the rabbit snail. Smaller creatures might become accidental snacks or get bullied.
  • Water parameters: Ensure the chosen tankmates have water condition preferences similar to rabbit snails. This includes temperature, pH level, and water hardness.

Suitable Tankmates:

  • Peaceful fish:
  • Small schooling fish: Neon tetras, cardinal tetras, harlequin rasboras, ember tetras.
  • Bottom dwellers: Corydoras catfish, otocinclus catfish, kuhli loaches.
  • Calm community fish: Guppies, mollies, platies, dwarf gouramis.
  • Other invertebrates:
  • Shrimp: Amano shrimp, ghost shrimp, cherry shrimp (ensure they are too large to be eaten).
  • Snails: Mystery snails, nerite snails, Malaysian trumpet snails (avoid assassin snails).

Tankmates to Avoid:

  • Aggressive fish: Cichlids, Oscars, barbs, bettas.
  • Large fish: They might see rabbit snails as food.
  • Snail-eating species: Loaches like clown loaches and yo-yo loaches, pufferfish.
  • Crayfish: They are known to prey on snails.

Additional Tips:

  • Provide hiding spots: This is crucial for the well-being of your rabbit snails, especially during molting periods. Rocks, caves, and plants offer safe havens.
  • Monitor water quality: Regular water changes and maintenance are essential for a healthy environment for all inhabitants.
  • Observe interactions: Keep an eye on your tank residents and remove any individuals displaying aggression.

By considering these factors and choosing compatible tankmates, you can create a thriving community aquarium where your rabbit snails can flourish alongside their companions.

Are rabbit snails aggressive?

No, rabbit snails are peaceful scavengers. They won’t bother other tank mates and are even curious about humans!

Will rabbit snails eat my plants?

Yes, rabbit snails may nibble on your aquarium plants, especially if they lack other food sources. Supplement their diet with blanched veggies like zucchini or carrots to keep plants safe.

What is the largest rabbit snail?

The Giant Sulawesi Rabbit Snail is the largest, reaching up to 4 inches long! These colorful freshwater snails are great algae eaters for spacious aquariums.

Do rabbit snails eat other snails?

Rabbit snails are generally peaceful algae eaters. However, they can be opportunistic feeders and consume dead or weakened snails, including other rabbit snails. Avoid housing them with smaller snail species, as they might be seen as food.

Are rabbit snails good cleaners?

Yes, rabbit snails are detritivores that eat waste like fish food and decaying plants, helping keep your aquarium clean.

Do rabbit snails get along with other snails?

Yes, rabbit snails are peaceful and get along with other calm snail species like mystery, nerite, and trumpet snails. Avoid housing them with aggressive snails like assassin snails that prey on other snails.


In conclusion, the world of aquatic pets is fascinating, filled with a wide variety of species that can bring joy and beauty to any fish tank or aquarium. Among these captivating creatures, Rabbit Snails stand out with their unique characteristics and intriguing behavior. From their distinctive shell shape to their gentle nature, they have become a sought-after addition to many aquatic enthusiasts’ collections.

One aspect that particularly captivates hobbyists is the size of Rabbit Snails. With their impressive growth potential, they can reach lengths of up to 3 inches, making them a substantial presence in any tank. Rabbit snail size adds visual interest and contributes to the overall balance of the ecosystem they inhabit.

Whether you’re an experienced aquarist or a beginner, considering Rabbit Snails as part of your aquatic family can be a rewarding experience. The rabbit snails’ size and peaceful demeanor make them a delightful addition to any marine environment. So, if you’re looking to add a touch of uniqueness and charm to your tank, take advantage of the opportunity to explore the world of Rabbit Snails!

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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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