Slug Vs Snail

What are Slugs and their Types? What are Snails and their Types? What are the other names for Slugs and Snails? How are Slugs and Snails different from each other? What are the Differences in their Movement, Habitat, and Food Habits? Are there any Similarities between Slug and Snail?
Slug Vs Snail

Our earth is full of different animals and birds. Some of them are from the same kingdom and their appearances are so very similar that they are often confused with one another. One such confusion is slug vs snail. So, today I will tell you about the slug vs snail difference. You will also get to know how are slugs and snails different and another name for snail.

1. Slugs

A brown slug: slug vs snail 1

A shell-less terrestrial gastropod mollusk is often known as a slug or land slug. They may have a reduced shell or a small internal shell. (See What does a Kraken Look Like?)

2. Types of Slugs

Depending on their colors, slugs are of the following types.

  • Large Black Slugs are up to 5.90 inches (15 cm) long and thus can be easily spotted.
  • Keeled slugs are distinct because of the presence of a keel (a ridge along the breastbone) running down their backbone.
  • Garden slugs have darker shades of gray or black on their upper portion and their abdomen is yellow-orange.
  • Field slugs are usually lighter fawn or gray-colored on their upper portion. Their size can be as little as 1.57 inches (4 cm). (See All Types of Dinosaur Names and Pictures)

3. Snail

A snail.

Any shelled gastropod can be termed a snail. This name is often used for land snails, gastropod mollusks, and terrestrial pulmonate. However, this term is used for the members of the Molluscan class, Gastropoda with a coiled shell. This specie includes land as well as freshwater snails. (See How is Silk made from Silkworm?)

4. Types of Snails

In slug vs snail, snails are distinguished based on their color and size.

  • Banded Snails have bands on their body in yellow or brown colors.
  • Garden Snails are larger than other snails with a gray-brown shell.
  • Strawberry snails are small in size and have a flattened shell. (See 15 Types of Snails and Facts about Them)

5. Another name for Snail

Golden coiled shell snail.

Snails in different languages are known by different names. Not only this but snails are often used as a part of speech to refer to slow speed. Here you can see their different names and the meanings attached to them.

  • The Drone refers to the bagpipe.
  • Escargot is the name of a special variety of snail delicacies.
  • The gastropod is a large class of Gastropods or mollusks with or without shells.
  • Periwinkle refers to the mollusk from the Littorina genus.
  • Polychaete, Polydora, Hydroid, Oligochaete, and Partula are somewhere related to this order.
  • Slowpoke refers to a person who moves or acts slowly.
  • Sluggard refers to someone who begins everything at a very slow speed.
  • Stagnalis and Stonefly are the terms related to this order. Also, check out what are few examples of Producers Consumers and Decomposers?

In slug vs snail, Slug is used as a synonym for snails due to their similarities. (See What is a One Hump Camel called?)

6. Another name for Slug

Though the term slug has numerous other meanings, the gastropods have some synonyms used for them as well. Biff, Bullet, Clout, Idle, Lazy, Lick, Poke, Punch, Slog, Slug, Sluggard, Stagnate, Swig, Type, etc. (See 8 True Bumblebee Flying Facts)

7. How are Slugs and Snails different?

A ladybug on the shell of a snail sitting on a yellow leaf: slug vs snail 2

In slug vs snail difference, take a look at the following points.

  • Slugs do not have any exterior shell while snails have a large coiled exterior shell which is large enough for them to retract into. Must read 9 differences between Mule and Donkey.
  • Slugs may have an internal shell sometimes, which is reduced with their timely evolution, while snails have no internal shell.
  • Slugs cannot protect their delicate tissues from desiccation because of the absence of the shell, while the snails close their shell after retracting it to protect themselves. (See Do Anteaters Eat Ants?)st rea
  • Slugs have internal vestigial shells in which they can store calcium, while snails lack any such internal feature. 
  • A slug can be about 15 inches (38 cm) long while a snail is 10 inches (23.4 cm) long.
  • In slug vs snail, the common life span for slugs is from 1 to 6 years, while in snails it depends on their habitat. In the wild, snails can live up to 2 to 3 years and in captivity, they can survive for 10 to 15 years.
  • In consideration of their speed, slugs move faster than snails. Overall, slugs have different speeds depending on their species, while all the snails move an average of 1 mm per second.
  • Slugs are highly compressible and movable while snails are less compressible and movable.
  • Slugs can easily operate through narrow areas to protect them due to the absence of any external shell, while snails cannot do so and resort to their shells. (See Why Do Bees Sting People?)
  • Slugs are nocturnal and sleep mostly during the day and feed during the night. Their diet mainly includes plants, but some species may also feed on insects. Snails spend most of the time searching for food in which they sleep occasionally. On average, they sleep for 13 to 15 hours per day, after which they can search for food for the next 30 hours. Also, check out the article, do insects sleep?
  • In slug vs snail, slug love to live in dark, moist, and cold areas. They are hardly found within trees or in deserts. Snails love to live in diverse habitats like land, seam wetlands, and deserts. They can be found living under the soil, within the trees, on moist forest floors, and even deep under the desert sand. Must read where are Leeches found?
  • Slugs do not hibernate during winters. They dig deep burrows and live in them to stay warm during the cold seasons. They lay eggs in these burrows, so even if they die before the hatching of the eggs, the young ones may emerge during the spring. Snails hibernate during the winter season to protect their tender bodies. They reproduce during the spring season. To know more about it, read the article, how are Slugs and Snails different?

8. Slug vs Snail Similarities

A snail hanging from a leaf.

Apart from their basic differences, they have something in common as well.

  • They belong to the kingdom of Animalia (animals).
  • They have the same class as Gastropoda and are thus called gastropods.
  • Their phylum is Mollusca (mollusk).
  • Their order is Pulmonata.
  • They both have antennas and their eyes are compound. Here, compound eyes mean, an eye with an array of numerous small visual units.
  • They have a downward-directed mouth. (See Can it Rain Spiders?)
  • They have flat-bottomed feet that are covered with epithelial cilia and moisturized by mucus.
  • Their movements are more or less similar to each other. They move by making waves through muscular contractions and sweep along their bodily length. They usually use only one foot to move and make stepping movements. Must read why do Penguins not Fly?
  • These two are used just the same in different dishes. Humans enjoy them as food as they are a rich source of protein. (See When is it Safe to Remove a Wasp Nest?)

Well, today you got to know about slug vs snail difference, how are slugs and snails different, and another name for snail and slugs. It is time to share this slug vs snail information with your garden lover friends and family members. (Also read  List of Names for Groups of Animals)

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