Facts about the animal kingdom

How Many Teeth Does a Snail Have?

María Luz Thurman
By María Luz Thurman, Biologist/ornithologist. September 6, 2023
How Many Teeth Does a Snail Have?

Snails, with their leisurely pace and distinctive coiled shells, are captivating members of the gastropod family, a subgroup of mollusks. However, their intrigue extends well beyond their appearance, as snails are remarkable for their exceptional adaptability and behaviors that enable them to thrive in a diverse array of habitats. A prime example of their unique adaptations lies in their dental system.

The following Animal Wised article provides insights into the number of teeth found in snails, the mechanics of their dental structure, the components involved, and a host of other intriguing facts.

You may also be interested in: How Many Teeth Does a Cat Have?


  1. Do snails have teeth?
  2. How many teeth do snails have?
  3. What is the snail's mouth like?
  4. What are snails' teeth like?

Do snails have teeth?

Snails, both on land and in water, possess a unique survival tool called the radula. This feature is exclusive to gastropod molluscs, the group to which snails belong. While not resembling typical mammalian teeth, the tiny structures on the radula serve a similar purpose and can indeed be thought of as snail "teeth."

The radula can be found in the snail's mouth and consists of a flexible strip covered in small teeth called odontoliths. The size, shape, and number of these odontoliths vary depending on the snail species and its diet. Some snails have pointed teeth for scraping and crushing tough plant material, while others have broader teeth for softer foods or catching small invertebrates.

Snails use their radula in an interesting way. Through coordinated movements, the radula moves back and forth to tear and crush the food they're consuming. This, combined with their jaw and surrounding muscles, allows snails to process a wide range of foods, from plant remains to small invertebrates.

For a deeper insight into the varied diets of snails, we recommend checking out our dedicated article on snail nutrition.

How Many Teeth Does a Snail Have? - Do snails have teeth?

How many teeth do snails have?

The number of "teeth" on a snail's radula can be quite diverse, depending on the specific species and its unique feeding adaptations. Snail radulae are equipped with numerous small structures known as odontoliths or denticles, which serve the function of teeth. Some snails may exhibit radulae containing hundreds or even thousands of these denticles, while others may have a more modest number.

The exact count of teeth on a snail's radula is influenced by factors such as the snail's diet and feeding behavior. Snail species that primarily consume tough, abrasive substances may possess radulae with a higher number of denticles to aid in grinding. On the other hand, those with different dietary preferences may have fewer denticles that are broader and serve various functions in food processing.

Typically, snails possess between 10,000 and 15,000 teeth, although certain species may boast up to 25,000. These teeth are typically arranged in rows, with around 100 teeth per row, and there may be as many as 25 rows.

Regarding the specific quantity of teeth within each species, it's essential to note that precise tooth counts can often be challenging to determine and may not be documented comprehensively in scientific literature for every snail species.

What is the snail's mouth like?

Snail mouths are surprisingly complex, tailored to their unique eating habits. These are the key parts of a snail's mouth:

  • Mandibles: snails have hard structures around their mouth called mandibles, which vary in shape and size depending on the species and diet. Mandibles help grasp and manipulate food before it moves to the next stage.

  • Radula: the radula is the standout feature, resembling a tongue-like structure with tiny teeth called odontoliths. It scrapes, crushes, and manages food, making it easier to digest.

  • Salivary glands: these glands produce saliva containing digestive enzymes that further break down food.

  • Lips: snail lips, which can be retractable in some species, protect the inner mouth when not feeding and help guide food to the radula and mandibles.

The complexity in snail mouth anatomy is a result of evolutionary adaptations that allow them to adapt to different environments and food sources. Each part of the mouth serves a specific function, enabling snails to thrive by utilizing a wide variety of food resources in their natural habitats.

To get comprehensive guidance on caring for snails as pets, we invite you to explore our detailed pet care guide for snail enthusiasts.

How Many Teeth Does a Snail Have? - What is the snail's mouth like?

What are snails' teeth like?

As mentioned before, snail teeth are located on the radula and come in various shapes, sizes, and quantities, depending on the snail species and its diet. Arranged like keys on a small piano along the radula, these teeth serve several functions during feeding:

  • Scraping teeth: these teeth are pointed and conical, perfect for scraping organic material from hard surfaces. Snails that eat algae use these teeth to scrape algae from rocks or plants.

  • Cutting teeth: these teeth are sharper and more robust, capable of cutting tough materials. This is useful for snails that consume fibrous plants or small invertebrates.

  • Crushing teeth: some snails have wider, flatter teeth that excel at crushing plant or animal material into smaller pieces. These teeth are beneficial for snails that feed on organic debris.

  • Rasping teeth: some snails have rasp-like teeth that are designed for rasping or grinding on hard surfaces. These teeth are particularly useful for snails that graze on tough materials like rocks or wood.

  • Harpoon-like teeth: certain predatory marine snails, such as cone snails (Conus spp.), possess harpoon-like teeth with venom glands. These teeth are used to immobilize and capture their prey.

  • Chisel-like teeth: snails that feed on plant stems or woody material may have chisel-shaped teeth, which are effective at cutting through tougher plant fibers.

  • Crushing molars: snails that consume hard-shelled prey, like other mollusks, may have specialized crushing molars to break through their prey's protective shells.

It's remarkable that some snail species can regenerate lost teeth, ensuring they always have effective feeding tools. The diversity in the shapes and functions of snail teeth showcases their adaptability to different environments. These unique structures enable snails to make the most of various food sources, from algae to plant remains and small organisms.

To discover more about the fascinating world of snails, consider delving into our article on marine and terrestrial snail varieties.

How Many Teeth Does a Snail Have? - What are snails' teeth like?

If you want to read similar articles to How Many Teeth Does a Snail Have?, we recommend you visit our Facts about the animal kingdom category.

  • Edward, E.R., & Barnes, R. (1996). Zoology of two invertebrates.
  • Gorrostieta, E., Falcón, A., Palma, L., Zepeda, A., Michel, E., Landa, V., ... & de México, A. (2009). Morphological description of the venom system of the snail Conus purpurascens (Gastropoda: Conidae). Acta Microscopica , 18 , 427-428.
  • Ortea, J. (2022). Study of two species of tiny snails (Mollusca: Gastropoda) collected in the tidal zone of Martinique, during the Madibenthos-2019 expedition.
  • Ruppert, E.E., Fox, R.S., & Barnes, R.D. (2005). Zoology of invertebrates: a functional-evolutionary approach. In Zoologia dos invertebrates: a functional-evolutionary approach (pp. 1045-1045).
Write a comment
Add an image
Click to attach a photo related to your comment
What did you think of this article?
1 of 4
How Many Teeth Does a Snail Have?