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Snails
Helix pomatia, a species of land snail
Helix pomatia, a species of land snail
Scientific classificationEdit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda

Helix pomatia sealed in its shell with a calcareous epiphragm
Helix pomatia sealed in its shell with a calcareous epiphragm

A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract completely into. When the word "snail" is used in this most general sense, it includes not just land snails but also numerous species of sea snails and freshwater snails. Gastropods that naturally lack a shell, or have only an internal shell, are mostly called slugs, and land snails that have only a very small shell (that they cannot retract into) are often called semi-slugs.

Snails have considerable human relevance, including as food items, as pests, and as vectors of disease, and their shells are used as decorative objects and are incorporated into jewelry.[1] The snail has also had some cultural significance, tending to be associated with lethargy. The snail has also been used as a figure of speech in reference to slow-moving things. The snail is the same or similar shape as the cochlea.[2]

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Gastropoda

Gastropoda

The gastropods, commonly known as slugs and snails, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda.

Gastropod shell

Gastropod shell

The gastropod shell is part of the body of a gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some gastropods appear shell-less (slugs) but may have a remnant within the mantle, or in some cases the shell is reduced such that the body cannot be retracted within it (semi-slug). Some snails also possess an operculum that seals the opening of the shell, known as the aperture, which provides further protection. The study of mollusc shells is known as conchology. The biological study of gastropods, and other molluscs in general, is malacology. Shell morphology terms vary by species group.

Sea snail

Sea snail

Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell.

Freshwater snail

Freshwater snail

Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few exceptions. Some groups of snails that live in freshwater respire using gills, whereas other groups need to reach the surface to breathe air. In addition, some are amphibious and have both gills and a lung. Most feed on algae, but many are detritivores and some are filter feeders.

Slug

Slug

Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semislugs.

Semi-slug

Semi-slug

Semi-slugs, also spelled semislugs, are land gastropods whose shells are too small for them to retract into, but not quite vestigial. The shell of some semi-slugs may not be easily visible on casual inspection, because the shell may be covered over with the mantle.

Figure of speech

Figure of speech

A figure of speech or rhetorical figure is a word or phrase that intentionally deviates from ordinary language use in order to produce a rhetorical effect. Figures of speech are traditionally classified into schemes, which vary the ordinary sequence of words, and tropes, where words carry a meaning other than what they ordinarily signify.

Cochlea

Cochlea

The cochlea is the part of the inner ear involved in hearing. It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus. A core component of the cochlea is the Organ of Corti, the sensory organ of hearing, which is distributed along the partition separating the fluid chambers in the coiled tapered tube of the cochlea.

Overview

Snails that respire using a lung belong to the group Pulmonata. As traditionally defined, the Pulmonata were found to be polyphyletic in a molecular study per Jörger et al., dating from 2010.[3] But snails with gills also form a polyphyletic group; in other words, snails with lungs and snails with gills form a number of taxonomic groups that are not necessarily more closely related to each other than they are related to some other groups.

Both snails that have lungs and snails that have gills have diversified so widely over geological time that a few species with gills can be found on land and numerous species with lungs can be found in freshwater. Even a few marine species have lungs.

Snails can be found in a very wide range of environments, including ditches, deserts, and the abyssal depths of the sea. Although land snails may be more familiar to laymen, marine snails constitute the majority of snail species, and have much greater diversity and a greater biomass. Numerous kinds of snail can also be found in fresh water.

Most snails have thousands of microscopic tooth-like structures located on a banded ribbon-like tongue called a radula. The radula works like a file, ripping food into small pieces. Many snails are herbivorous, eating plants or rasping algae from surfaces with their radulae, though a few land species and many marine species are omnivores or predatory carnivores. Snails cannot absorb colored pigments when eating paper or cardboard so their feces are also colored.[4]

Several species of the genus Achatina and related genera are known as giant African land snails; some grow to 15 in (38 cm) from snout to tail, and weigh 1 kg (2 lb).[5] The largest living species of sea snail is Syrinx aruanus; its shell can measure up to 90 cm (35 in) in length, and the whole animal with the shell can weigh up to 18 kg (40 lb). Recently, the smallest land snails, Angustopila dominikae, have been discovered in China, and measure 0.86mm long.[6]

The snail Lymnaea makes decisions by using only two types of neurons: one deciding whether the snail is hungry, and the other deciding whether there is food in the vicinity.[7]

The largest known land gastropod is the African giant snail Achatina achatina, the largest recorded specimen of which measured 39.3 centimetres (15.5 in) from snout to tail when fully extended, with a shell length of 27.3 cm (10.7 in) in December 1978. It weighed exactly 900 g (2 lb). Named Gee Geronimo, this snail was owned by Christopher Hudson (1955–79) of Hove, East Sussex, UK, and was collected in Sierra Leone in June 1976.[8]


Snails are protostomes. That means during development, in the gastrulation phase, the blastopore forms the mouth first. Cleavage in snails is spiral holoblastic patterning. In spiral holoblastic cleavage, the cleavage plane rotates each division and the cell divisions are complete. Snails do not undergo metamorphosis after hatching. Snails hatch in the form of small adults. The only additional development they will undergo is to consume calcium to strengthen their shell. Snails can be male, female, hermaphroditic, or parthenogenetic so there are many different systems of sexual determination.

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Lung

Lung

The lungs are the primary organs of the respiratory system in humans and most other animals, including some snails and a small number of fish. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart. Their function in the respiratory system is to extract oxygen from the air and transfer it into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange. The pleurae, which are thin, smooth, and moist, serve to reduce friction between the lungs and chest wall during breathing, allowing for smooth and effortless movements of the lungs.

Gill

Gill

A gill is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface area to the external environment. Branchia is the zoologists' name for gills.

Ditch

Ditch

A ditch is a small to moderate trench created to channel water. A ditch can be used for drainage, to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation. Ditches are commonly seen around farmland, especially in areas that have required drainage, such as The Fens in eastern England and much of the Netherlands.

Desert

Desert

A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to denudation. About one-third of the land surface of the Earth is arid or semi-arid. This includes much of the polar regions, where little precipitation occurs, and which are sometimes called polar deserts or "cold deserts". Deserts can be classified by the amount of precipitation that falls, by the temperature that prevails, by the causes of desertification or by their geographical location.

Abyssal zone

Abyssal zone

The abyssal zone or abyssopelagic zone is a layer of the pelagic zone of the ocean. "Abyss" derives from the Greek word ἄβυσσος, meaning bottomless. At depths of 4,000 to 6,000 metres, this zone remains in perpetual darkness. It covers 83% of the total area of the ocean and 60% of Earth's surface. The abyssal zone has temperatures around 2 to 3 °C through the large majority of its mass. Due to there being no light, there are no plants producing oxygen, which instead primarily comes from ice that had melted long ago from the polar regions. The water along the seafloor of this zone is actually devoid of oxygen, resulting in a death trap for organisms unable to quickly return to the oxygen-enriched water above. This region also contains a much higher concentration of nutrient salts, like nitrogen, phosphorus, and silica, due to the large amount of dead organic material that drifts down from the above ocean zones and decomposes. The water pressure can reach up to 76 megapascal.

Marine biology

Marine biology

Marine biology is the scientific study of the biology of marine life, organisms in the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy.

Biomass (ecology)

Biomass (ecology)

The biomass is the mass of living biological organisms in a given area or ecosystem at a given time. Biomass can refer to species biomass, which is the mass of one or more species, or to community biomass, which is the mass of all species in the community. It can include microorganisms, plants or animals. The mass can be expressed as the average mass per unit area, or as the total mass in the community.

Freshwater snail

Freshwater snail

Freshwater snails are gastropod mollusks that live in fresh water. There are many different families. They are found throughout the world in various habitats, ranging from ephemeral pools to the largest lakes, and from small seeps and springs to major rivers. The great majority of freshwater gastropods have a shell, with very few exceptions. Some groups of snails that live in freshwater respire using gills, whereas other groups need to reach the surface to breathe air. In addition, some are amphibious and have both gills and a lung. Most feed on algae, but many are detritivores and some are filter feeders.

Herbivore

Herbivore

A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage or marine algae, for the main component of its diet. As a result of their plant diet, herbivorous animals typically have mouthparts adapted to rasping or grinding. Horses and other herbivores have wide flat teeth that are adapted to grinding grass, tree bark, and other tough plant material.

Omnivore

Omnivore

An omnivore is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nutrients and energy of the sources absorbed. Often, they have the ability to incorporate food sources such as algae, fungi, and bacteria into their diet.

Carnivore

Carnivore

A carnivore, or meat-eater, is an animal or plant whose food and energy requirements derive from animal tissues whether through hunting or scavenging.

Achatina

Achatina

Achatina is a genus of medium-sized to very large, air-breathing, tropical land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.

Diet

Snails that live in nature but are fed by humans. (Kadıköy, Istanbul - Turkey)
Snails that live in nature but are fed by humans. (Kadıköy, Istanbul - Turkey)

Snails eating habits vary widely, with some being generalists and some being specialist feeders. [9] Snails feed at night.[10] They feed primarily on decaying organic matter.[10] Their diet also includes fungi, lichens, green foliage, worms, centipedes, insects, animal feces, carrion, and other slugs.[10] Some snails feed on other snails too.[10]

Types of snails by habitat

Slugs

Slug
Slug

Gastropods that lack a conspicuous shell are commonly called slugs rather than snails.[11] Some species of slug have a maroon-brown shell, some have only an internal vestige that serves mainly as a calcium lactate repository, and others have some to no shell at all. Other than that there is little morphological difference between slugs and snails. There are however important differences in habitats and behavior.

A shell-less animal is much more maneuverable and compressible, so even quite large land slugs can take advantage of habitats or retreats with very little space, retreats that would be inaccessible to a similar-sized snail. Slugs squeeze themselves into confined spaces such as under loose bark on trees or under stone slabs, logs or wooden boards lying on the ground. In such retreats they are in less danger from either predators or desiccation. Those are often suitable places for laying their eggs.

Slugs as a group are far from monophyletic; scientifically speaking "slug" is a term of convenience with little taxonomic significance. The reduction or loss of the shell has evolved many times independently within several very different lineages of gastropods. The various taxa of land and sea gastropods with slug morphology occur within numerous higher taxonomic groups of shelled species; such independent slug taxa are not in general closely related to one another.

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Slug

Slug

Slug, or land slug, is a common name for any apparently shell-less terrestrial gastropod mollusc. The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semislugs.

Vestigiality

Vestigiality

Vestigiality is the retention, during the process of evolution, of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species. The emergence of vestigiality occurs by normal evolutionary processes, typically by loss of function of a feature that is no longer subject to positive selection pressures when it loses its value in a changing environment. The feature may be selected against more urgently when its function becomes definitively harmful, but if the lack of the feature provides no advantage, and its presence provides no disadvantage, the feature may not be phased out by natural selection and persist across species.

Morphology (biology)

Morphology (biology)

Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features.

Monophyly

Monophyly

In biological cladistics for the classification of organisms, monophyly is the condition of a taxonomic grouping being a clade — that is, a grouping of taxa which meets these criteria:the grouping contains its own most recent common ancestor, i.e. excludes non-descendants of that common ancestor the grouping contains all the descendants of that common ancestor, without exception

Human relevance

Cornu aspersum – garden snail
Cornu aspersum – garden snail

Land snails are known as an agricultural and garden pest but some species are an edible delicacy and occasionally household pets. In addition, their mucus can also be used for skin care products.

In agriculture

There are a variety of snail-control measures that gardeners and farmers use in an attempt to reduce damage to valuable plants. Traditional pesticides are still used, as are many less toxic control options such as concentrated garlic or wormwood solutions. Copper metal is also a snail repellent, and thus a copper band around the trunk of a tree will prevent snails from climbing up and reaching the foliage and fruit. A layer of a dry, finely ground, and scratchy substance such as diatomaceous earth can also deter snails.[12]

The decollate snail (Rumina decollata) will capture and eat garden snails, and because of this it has sometimes been introduced as a biological pest control agent. However, this is not without problems, as the decollate snail is just as likely to attack and devour other gastropods that may represent a valuable part of the native fauna of the region.

As food

In French cuisine, edible snails are served for instance in Escargot à la Bourguignonne. The practice of rearing snails for food is known as heliciculture. For purposes of cultivation, the snails are kept in a dark place in a wired cage with dry straw or dry wood. Coppiced wine-grape vines are often used for this purpose. During the rainy period, the snails come out of hibernation and release most of their mucus onto the dry wood/straw. The snails are then prepared for cooking. Their texture when cooked is slightly chewy and tender.

As well as being relished as gourmet food, several species of land snails provide an easily harvested source of protein to many people in poor communities around the world. Many land snails are valuable because they can feed on a wide range of agricultural wastes, such as shed leaves in banana plantations. In some countries, giant African land snails are produced commercially for food.

Land snails, freshwater snails and sea snails are all eaten in many countries. In certain parts of the world snails are fried. For example, in Indonesia, they are fried as satay, a dish known as sate kakul. The eggs of certain snail species are eaten in a fashion similar to the way caviar is eaten.

In Bulgaria, snails are traditionally cooked in an oven with rice or fried in a pan with vegetable oil and red paprika powder. Before they are used for those dishes, however, they are thoroughly boiled in hot water (for up to 90 minutes) and manually extracted from their shells. The two species most commonly used for food in the country are Helix lucorum and Helix pomatia.

Famine food

Snails and slug species that are not normally eaten in certain areas have occasionally been used as famine food in historical times. A history of Scotland written in the 1800s recounts a description of various snails and their use as food items in times of plague.[13]

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Cornu aspersum

Cornu aspersum

Cornu aspersum, known by the common name garden snail, is a species of land snail in the family Helicidae, which includes some of the most familiar land snails. Of all terrestrial molluscs, this species may well be the most widely known. It was classified under the name Helix aspersa for over two centuries, but the prevailing classification now places it in the genus Cornu.

Garlic

Garlic

Garlic is a species of bulbous flowering plant in the genus Allium. Its close relatives include the onion, shallot, leek, chive, Welsh onion and Chinese onion. It is native to South Asia, Central Asia and northeastern Iran and has long been used as a seasoning worldwide, with a history of several thousand years of human consumption and use. It was known to ancient Egyptians and has been used as both a food flavoring and a traditional medicine. China produces 76% of the world's supply of garlic.

Artemisia (plant)

Artemisia (plant)

Artemisia is a large, diverse genus of plants with between 200 and 400 species belonging to the daisy family Asteraceae. Common names for various species in the genus include mugwort, wormwood, and sagebrush.

Copper

Copper

Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.

Diatomaceous earth

Diatomaceous earth

Diatomaceous earth, diatomite or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder. It has a particle size ranging from more than 3 mm to less than 1 μm, but typically 10 to 200 μm. Depending on the granularity, this powder can have an abrasive feel, similar to pumice powder, and has a low density as a result of its high porosity. The typical chemical composition of oven-dried diatomaceous earth is 80–90% silica, with 2–4% alumina, and 0.5–2% iron oxide.

Decollate snail

Decollate snail

The decollate snail, scientific name Rumina decollata, is a medium-sized predatory land snail, a species of terrestrial pulmonate gastropod mollusk in the family Achatinidae. It is a European species that has been introduced in a number of areas worldwide.

Biological pest control

Biological pest control

Biological control or biocontrol is a method of controlling pests, such as insects, mites, weeds, and plant diseases, using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role. It can be an important component of integrated pest management (IPM) programs.

Heliciculture

Heliciculture

Heliciculture, commonly known as snail farming, is the process of raising edible land snails, primarily for human consumption or cosmetic use. The meat and snail eggs a.k.a. white caviar can be consumed as escargot and as a type of caviar, respectively.

Escargot

Escargot

Snails are considered edible in certain areas such as the Mediterranean region, Africa, or Southeast Asia, while in other cultures it is considered as taboo food. In American English, edible land snails are also called escargot, taken from the French word for 'snail', and the production of snails for consumption is called snail farming or heliciculture. Snails as food date back to ancient times, and it was a dish that was already served on the tables of Ancient Greece and Rome.

French cuisine

French cuisine

French cuisine is the cooking traditions and practices from France. In the 14th century, Guillaume Tirel, a court chef known as "Taillevent", wrote Le Viandier, one of the earliest recipe collections of medieval France. In the 17th century, chefs François Pierre La Varenne and Marie-Antoine Carême spearheaded movements that shifted French cooking away from its foreign influences and developed France's own indigenous style.

Burgundy

Burgundy

Burgundy is a historical territory and former administrative region and province of east-central France. The province was once home to the Dukes of Burgundy from the early 11th until the late 15th century. The capital of Dijon was one of the great European centres of art and science, a place of tremendous wealth and power, and Western Monasticism. In early Modern Europe, Burgundy was a focal point of courtly culture that set the fashion for European royal houses and their court. The Duchy of Burgundy was a key in the transformation of the Middle Ages toward early modern Europe.

Giant African land snail

Giant African land snail

Giant African land snail is the common name of several species within the family Achatinidae, a family of unusually large African terrestrial snails:Achatina achatina, also known as the agate snail or Ghana tiger snail Lissachatina fulica, a serious agricultural pest in some countries Archachatina marginata,

Parasitic diseases

Snails can also be associated with parasitic diseases such as schistosomiasis, angiostrongyliasis, fasciolopsiasis, opisthorchiasis, fascioliasis, paragonimiasis and clonorchiasis, which can be transmitted to humans.

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Schistosomiasis

Schistosomiasis

Schistosomiasis, also known as snail fever, bilharzia, and Katayama fever, is a disease caused by parasitic flatworms called schistosomes. The urinary tract or the intestines may be infected. Symptoms include abdominal pain, diarrhea, bloody stool, or blood in the urine. Those who have been infected for a long time may experience liver damage, kidney failure, infertility, or bladder cancer. In children, it may cause poor growth and learning difficulty.

Angiostrongyliasis

Angiostrongyliasis

Angiostrongyliasis is an infection by a roundworm of the Angiostrongylus type. Symptoms may vary from none, to mild, to meningitis.

Fasciolopsiasis

Fasciolopsiasis

Fasciolopsiasis results from an infection by the trematode Fasciolopsis buski, the largest intestinal fluke of humans.

Opisthorchiasis

Opisthorchiasis

Opisthorchiasis is a parasitic disease caused by certain species of genus Opisthorchis. Chronic infection may lead to cholangiocarcinoma, a cancer of the bile ducts.

Paragonimiasis

Paragonimiasis

Paragonimiasis is a food-borne parasitic disease caused by several species of lung flukes belonging to genus Paragonimus. Infection is acquired by eating crustaceans such as crabs and crayfishes which host the infective forms called metacercariae, or by eating raw or undercooked meat of mammals harboring the metacercariae from crustaceans.

Clonorchiasis

Clonorchiasis

Clonorchiasis is an infectious disease caused by the Chinese liver fluke and two related species. Clonorchiasis is a known risk factor for the development of cholangiocarcinoma, a neoplasm of the biliary system.

Cultural depictions

Land snails (Scutalus sp.) on a Moche pot, 200 AD, Larco Museum Collection, Lima, Peru
Land snails (Scutalus sp.) on a Moche pot, 200 AD, Larco Museum Collection, Lima, Peru

Symbolism

Because of its slowness, the snail has traditionally been seen as a symbol of laziness. In Christian culture, it has been used as a symbol of the deadly sin of sloth.[14][15] Psalms 58:8 uses snail slime as a metaphorical punishment. In Mayan mythology, the snail is associated with sexual desire, being personified by the god Uayeb.[16]

Divination and other religious uses

Snails were widely noted and used in divination.[14] The Greek poet Hesiod wrote that snails signified the time to harvest by climbing the stalks, while the Aztec moon god Tecciztecatl bore a snail shell on his back. This symbolised rebirth; the snail's penchant for appearing and disappearing was analogised with the moon.[17]

Love darts and Cupid

The use of love darts by the land snail Monachoides vicinus is a form of sexual selection
The use of love darts by the land snail Monachoides vicinus is a form of sexual selection

Professor Ronald Chase of McGill University in Montreal has suggested the ancient myth of Cupid's arrows might be based on early observations of the love dart behavior of the land snail species Cornu aspersum.[18]

Metaphor

In contemporary speech, the expression "a snail's pace" is often used to describe a slow, inefficient process. The phrase "snail mail" is used to mean regular postal service delivery of paper messages as opposed to the delivery of email, which can be virtually instantaneous.

In medieval and Renaissance manuscripts snails are depicted as a comic relief due to the similarity between the armour of knights and the shell of snails.[19]

In Indonesian mythology

Dewi Sekartaji as Keong Emas
Dewi Sekartaji as Keong Emas

Keong Emas (Javanese and Indonesian for Golden Snail) is a popular Javanese folklore about a princess magically transformed and contained in a golden snail shell. The folklore is a part of popular Javanese Panji cycle telling the stories about the prince Panji Asmoro Bangun (also known as Raden Inu Kertapati) and his consort, princess Dewi Sekartaji (also known as Dewi Chandra Kirana).

Textiles

Certain varieties of snails, notably the family Muricidae, produce a secretion that is a color-fast natural dye. The ancient Tyrian purple was made in this way as were other purple and blue dyes.[20][21][22] The extreme expense of extracting this secretion is sufficient quantities limited its use to the very wealthy. It is such dyes as these that led to certain shades of purple and blue being associated with royalty and wealth.[23]

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Scutalus

Scutalus

Scutalus is a genus of air-breathing land snails, a terrestrial pulmonate gastropod mollusks in the family Bulimulidae.

Larco Museum

Larco Museum

The Larco Museum is a privately owned museum of pre-Columbian art, located in the Pueblo Libre District of Lima, Peru. The museum is housed in an 18th-century vice-royal building. It showcases chronological galleries that provide a thorough overview of 5,000 years of Peruvian pre-Columbian history. It is well known for its gallery of pre-Columbian erotic pottery.

Psalms

Psalms

The Book of Psalms, also known as the Psalms, or the Psalter, is the first book of the Ketuvim ("Writings"), the third section of the Tanakh, and a book of the Old Testament. The title is derived from the Greek translation, ψαλμοί, meaning "instrumental music" and, by extension, "the words accompanying the music". The book is an anthology of individual Hebrew religious hymns, with 150 in the Jewish and Western Christian tradition and more in the Eastern Christian churches. Many are linked to the name of David, but modern mainstream scholarship rejects his authorship, instead attributing the composition of the psalms to various authors writing between the 9th and 5th centuries BC. In the Quran, the Arabic word ‘Zabur’ is used for the Psalms of David in the Hebrew Bible.

Metaphor

Metaphor

A metaphor is a figure of speech that, for rhetorical effect, directly refers to one thing by mentioning another. It may provide clarity or identify hidden similarities between two different ideas. Metaphors are often compared with other types of figurative language, such as antithesis, hyperbole, metonymy, and simile. One of the most commonly cited examples of a metaphor in English literature comes from the "All the world's a stage" monologue from As You Like It:

Personification

Personification

Personification is the representation of a thing or abstraction as a person. In the arts, many things are commonly personified. These include numerous types of places, especially cities, countries, and continents, elements of the natural world such as the months or four seasons, four elements, four cardinal winds, five senses, and abstractions such as virtues, especially the four cardinal virtues and seven deadly sins, the nine Muses, or death.

Divination

Divination

Divination is the attempt to gain insight into a question or situation by way of an occultic, standardized process or ritual. Used in various forms throughout history, diviners ascertain their interpretations of how a querent should proceed by reading signs, events, or omens, or through alleged contact or interaction with a supernatural agency.

Greeks

Greeks

The Greeks or Hellenes are an ethnic group and nation native to Greece, Cyprus, southern Albania, Anatolia, parts of Italy and Egypt, and to a lesser extent, other countries surrounding the Eastern Mediterranean and Black Sea. They also form a significant diaspora, with many Greek communities established around the world.

Hesiod

Hesiod

Hesiod was an ancient Greek poet generally thought to have been active between 750 and 650 BC, around the same time as Homer. He is generally regarded by western authors as 'the first written poet in the Western tradition to regard himself as an individual persona with an active role to play in his subject.' Ancient authors credited Hesiod and Homer with establishing Greek religious customs. Modern scholars refer to him as a major source on Greek mythology, farming techniques, early economic thought, archaic Greek astronomy and ancient time-keeping.

Aztec mythology

Aztec mythology

Aztec mythology is the body or collection of myths of the Aztec civilization of Central Mexico. The Aztecs were Nahuatl-speaking groups living in central Mexico and much of their mythology is similar to that of other Mesoamerican cultures. According to legend, the various groups who were to become the Aztecs arrived from the north into the Anahuac valley around Lake Texcoco. The location of this valley and lake of destination is clear – it is the heart of modern Mexico City – but little can be known with certainty about the origin of the Aztec. There are different accounts of their origin. In the myth the ancestors of the Mexica/Aztec came from a place in the north called Aztlan, the last of seven nahuatlacas to make the journey southward, hence their name "Azteca." Other accounts cite their origin in Chicomoztoc, "the place of the seven caves," or at Tamoanchan.

Moon

Moon

The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth. The Moon is a planetary-mass object with a differentiated rocky body, making it a satellite planet under the geophysical definitions of the term and larger than all known dwarf planets of the Solar System. It lacks any significant atmosphere, hydrosphere, or magnetic field. Its surface gravity is about one-sixth of Earth's at 0.1654 g, with Jupiter's moon Io being the only satellite in the Solar System known to have a higher surface gravity and density.

Love dart

Love dart

A love dart is a sharp, calcareous or chitinous dart which some hermaphroditic land snails and slugs create. Love darts are both formed and stored internally in a dart sac. These darts are made in sexually mature animals only, and are used as part of the sequence of events during courtship, before actual mating takes place. Darts are quite large compared to the size of the animal: in the case of the semi-slug genus Parmarion, the length of a dart can be up to one fifth that of the semi-slug's foot.

Monachoides vicinus

Monachoides vicinus

Monachoides vicinus is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Hygromiidae, the hairy snails and their allies.

As pets

Throughout history, snails have been kept as pets. There are many famous snails such as Lefty (Born Jeremy) and within fiction, Gary and Brian the snail.[24]

Source: "Snail", Wikipedia, Wikimedia Foundation, (2023, March 21st), https://en.wikipedia.org/wiki/Snail.

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References
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  2. ^ Monroe, Don (3 March 2006). "Why the inner ear is snail shaped". Physical Review Focus. Vol. 17. p. 8.
  3. ^ Jörger, Katharina M; Stöger, Isabella; Kano, Yasunori; Fukuda, Hiroshi; Knebelsberger, Thomas; Schrödl, Michael (2010). "On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of Heterobranchia". BMC Evolutionary Biology. 10 (1): 323. doi:10.1186/1471-2148-10-323. PMC 3087543. PMID 20973994.
  4. ^ "Floor tiles made of coloured snail poo by Lieske Schreuder - design". 26 November 2013. Retrieved 29 March 2018.
  5. ^ Fredericks, Anthony D. (2010). How Long Things Live & How They Live As Long As They Do. Stackpole Books. p. 73. ISBN 9780811736220. Retrieved 19 June 2012.
  6. ^ Hogenboom, Melissa (27 July 2020). "The world's smallest snail has been discovered". BBC.
  7. ^ Crossley, Michael; Staras, Kevin; Kemenes, György (3 June 2016). "A two-neuron system for adaptive goal-directed decision-making in Lymnaea". Nature Communications. 7: 11793. Bibcode:2016NatCo...711793C. doi:10.1038/ncomms11793. PMC 4895806. PMID 27257106.
  8. ^ "Largest Snail". Guinness World Records. Retrieved 17 December 2016.
  9. ^ Vendetti, Jann. "A Microscopic Look at Snail Jaws". nhm.org. Natural History Museum Los Angeles County. Retrieved 2022-01-05.
  10. ^ a b c d Texas Bug Book: The Good, the Bad, and the Ugly - Page 144. University of Texas Press. September 2005. ISBN 9780292709379.
  11. ^ "Slug vs Snail - Difference and Comparison - Diffen". Retrieved 29 March 2018.
  12. ^ Sanders, April. "Do Egg Shells Help Stop Snails From Eating Plants?" Home Guides | SF Gate. Accessed 01 July 2019.
  13. ^ Chambers, Robert (1858). Domestic annals of Scotland, from the reformation to the revolution. W. & R. Chambers. (Also quoted here.
  14. ^ a b de Vries, Ad (1976). Dictionary of Symbols and Imagery. Amsterdam: North-Holland Publishing Company. p. 430. ISBN 978-0-7204-8021-4.
  15. ^ Tresidder, Jack (2006). Symbols and Their Meanings. New York: Barnes & Noble. p. 41. ISBN 978-0-7607-8164-7.
  16. ^ Susan Milbrath, Star Gods of the Maya: Astronomy in Art, Folklore, and Calendars, University of Texas Press, 01/01/2010
  17. ^ Cooper, J. C. (1992). Symbolic and Mythological Animals. London: Aquarian Press. p. 213. ISBN 978-1-85538-118-6.
  18. ^ Mayell, Hillary (February 13, 2004). "Lovebirds and Love Darts: The Wild World of Mating". news.national-geographic.com. National Geographic Society. Retrieved 2010-02-21.
  19. ^ Monge-Nájera, J. (2019). Pulmonate snails as marginalia in medieval and Renaissance manuscripts: a review of hypotheses. Darwin In Memoriam: History of Science. BLOG RPT.https://revistas.ucr.ac.cr/index.php/rbt/article/view/38872
  20. ^ Ziderman, I. I. (1986). "Purple dye made from shellfish in antiquity". Review of Progress in Coloration. 16: 46–52. doi:10.1111/j.1478-4408.1986.tb03743.x. ISSN 1472-3581.
  21. ^ Biggam, Carole P. (March 2006). "Whelks and purple dye in Anglo-Saxon England" (PDF). The Archeo+Malacology Group Newsletter (9).
  22. ^ Moorey, Peter (1999). Ancient Mesopotamian Materials and Industries: The Archaeological Evidence. Winona Lake, Indiana: Eisenbrauns. p. 138. ISBN 978-1-57506-042-2.
  23. ^ Nuttall, Zelia (1909). "A Curious Survival in Mexico of the Use of the Purpura Shell-fish for Dyeing". In Boas, Franz (ed.). Putnam Anniversary Volume. Vol. Anthropological Essays Presented to Fredrick Ward Putnam in Honor of his Seventieth Birthday, by his Friends and Associates. New York: G. E. Stechert & Co. pp. 368–384. LCCN 10011191.
  24. ^ "BBC Radio 3 - Slow Radio - Seven of the world's most famous snails". BBC. Retrieved 2020-02-14.
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