Snails take about 2 years to become adults. The brown garden snail lays about 80 spherical shaped white or yellowish colored eggs at a time into the topsoil of the ground. Garden snails are one of the easiest and cheapest pets to locate, since they are often present in large numbers eating the plants in your yard. Notes on Taxonomy and Nomenclature Top of page. The top speed of a Garden Snail is around 0.048 km/h. A snail's lifespan is dependant on what exact species they are and what habitat they live in. In fact the average garden snail has over 14,000 of them - a costly scale and polish for sure. The head region of a slug has two pairs of retractable tentacles, with one pair bearing eye spots. Slugs are legless, unsegmented and boneless. Garden snails (Cantareus aspersus), or brown snails, are a common pest to plants of all kinds. Counting snail shell rings is an estimate of Snail’s life: There is a snail very like the garden snail that is called the Roman or Apple snail – it is the one that some people like to eat. Snails spend many hours courting before they mate. Cornu aspersum (Müller, 1774) is the single species in the genus Cornu Born, 1778. After mating they lay around 80 white eggs in a damp, underground nest. Garden snails are found in urban areas. Many are eaten as eggs. It can lay eggs up to six times a year. Lifespan. These snails are nocturnal and feed on organic matter in the soil, tree bark, and vegetation. Life History of the snail. Distribution. Other behaviours and adaptations. A study of a population of these snails in England was able to work out how old these snails are. They don't actually need to mate with another snail in order to reproduce, self fertilisation is possible. Widespread in cities throughout the world. They are similar to snails, but unlike snails, slugs can live on land without requiring the calcium deposits needed to build shells. Generally, snails found in your garden will be introduced species, which have two pairs of tentacles, rather than one pair as in native snails and slugs. The snail becomes active again in humid conditions. Garden snails generally hibernate during winter. The lifespan of land snails depends on the species. Still, their unique method of sliding along on a single ‘foot’ while releasing a bed of low-friction mucus is perfect for their way of life, but does require a humid or wet environment to avoid drying out. Snails also eat empty snail shells, sap, animal droppings, and even inorganic stuff, such as limestone and cement (for the calcium content). They have both female and male reproductive cells (they are hermaphrodite). Heavy predation by beetles, birds and other animals means most don’t make it through their first year. 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