Some of the snails are not hermaphrodites and exist as separate male and female individual animals. 67 cm) in diameter, about the same size as a soccer ball!. A: Eggs of Giant African Snail (Achatina fulica) B: Newly hatched (hatchlings) Giant African Snail(Achatina fulica) Adult snails can reach sizes of up to 2 inches (5 cm) in diameter. • Life-history traits show that sexual maturity is reached after 22 weeks. Horse conchs use their large, orange foot. Giant African land snails have been classified as an invasive species in the United States and several other countries, including Canada and many South American nations. 9–15. An octopus (pl. Snails are born with their shells, though the shell of a baby snail, often referred to as a protoconch or “earliest. Even though they’re adaptable, it’s still important to pay close attention to the water parameters. Under optimal conditions, some individuals may live as long as 9 years. •Depending on the species, some pet snails can live anywhere from 5 to 15 years or more. Also, although a Rabbit Snail is pretty. Tonna galea, commonly known as the giant tun, is a species of marine gastropod mollusc in the family Tonnidae (also known as the tun shells). Zebra danio ( Danio rerio): five years. Giant African snails. Achatina Fulica Rodatzi baby Snail. They are able to survive well under a. Add a substrate. The average lifespan of snails is determined by their environment as much as their species. The giant African land snail A. Their soft body is usually yellow or orange, with black stripes or spots. S. High quality Giant Snail Lifespan inspired Mugs by independent artists and designers from around the world. A large giant African land snail, about 8 inches long. Officials said that the 35 pounds of snails arrived from Nigeria along with. it may appear that they also evolved from a prehistoric snail. Hedleyella falconeri, the giant panda snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Caryodidae. The eradication program in Florida cost $1 million (approximately $3 million in 2021 dollars). It. Fossil specimen of the gastropod Trepospira depressa from the Pennsylvanian Graham Formation of Coleman County, Texas (PRI 70109). Eradication efforts are ongoing (2015). It is among the largest keeled slugs, Limax cinereoniger being the largest. The rat lungworm nematode has also been shown to infect the giant African snail (Achatina achatina), the largest snail on earth which can grow up to 7 inches long and are often smuggled into the. Archachatina marginata. The typical Rabbit Snail’s lifespan in captivity has been estimated to be between 1 and 3 years. Physidae, commonly called the bladder snails, is a family of small air-breathing freshwater snails, aquatic pulmonate gastropod molluscs in the superfamily Lymnaeoidea . 04 Typically, snails weigh from 25 g to 45 g. In their natural habitat, the average lifespan of giant ramshorn snails is typically around 1 to 2 years. The oldest living turtle and land animal is said to be a Seychelles giant tortoise named Jonathan, who turned 187 in 2019. The number of eggs that an individual snail lays often depends on the maturity and age of the snail and is between 100 to 500 eggs. 1 in) with a diameter of 9 centimetres (3. They can grow up to 12 inches and weigh up to 5 pounds. The Giant African Land snail, Lissachatina fulica and formerly Achatina fulica is the largest variety of snail at about 6 inches in length, but these snails are illegal to own as pets. The easygoing nature of the Madagascar hissing cockroach makes it a good starter pet for owners who are new to insect keeping. Published 5:12 AM PST, September 16, 2022. It is thought that the larvae suffer high mortality during the first years of life, often falling prey to fish and other predators. Some larger species can live 15 and 25 years in captivity . Physa marmorata in France. They hibernate 10 to 15 cm deep in soft soil during less favorable conditions for up to one year. The. Most wild turtles do not reach that age. Since most snails are considered to be hermaphrodites, it is easy for snails to reproduce. Many are specialist predators, along with the giant triton snail Charonia tritonis (Linnaeus, 1758) whose diet consists of Acanthaster planci (crown-of-thorns starfish), a corallivore known to consume enormous quantities of reef-building coral. More recently, investigations carried out by Raut (1991) in West Bengal, India, found that A. Giant African snails are hermaphrodites, meaning they have both male and female reproductive parts. The FDACS said the snails also consume at least 500 different types of plants, posing a threat to Florida. 7 Powelliphanta Facts. Ecological Impact Giant African Snail’s British tourists heading to the Spanish island of Tenerife have been warned about the possible threat to life posed by the Giant African land snail. In 1958, a young boy stashed Giant African Snails into his suitcase from his travels in Hawaii returning to California and driving. 2. Giant African land snails can are an invasive animal in. At their widest point, their shells can be about the diameter of a pencil eraser. The world’s longest living snail is the African giant snail, which can live up to 10 years. The top pair are used to sense light and work as the eyes of the snail. The gorgeous shells of the Triton’s trumpet have intricate striped patterns, typically in yellow, brown, and white. Colonies of snails in Sicily. With a few adjustments, these giant snails can live in any size aquarium. Compared to other small animals, giant African land snails have a relatively long lifespan. The optimal pH range for apple snails is around neutral to slightly alkaline, between 7. Bladder Snail’s average lifespan only reaches 6 to 9 months, and the longest they can live is up to 1 year. Freshwater snails are gastropod mollusks that live in fresh water. How long do malaysian trumpet snails live? Malaysian trumpet snails (Melanoides tuberculata) have a relatively short lifespan compared to some other aquatic organisms. A total of 36 pathogens are known to exist in the snails. The lifespan of a freshwater snail varies greatly based on the species. A Rabbit Snail can be a fascinating addition to an established freshwater tank, and help keep the tank bottom free of debris and otherwise uneaten food. The giant African land snail (Lissachatina fulica, formerly Achatina fulica) was originally introduced to Hawaii in 1936 and Florida in 1966. There are many different families. 3 cm) from the top of its head to the tail-end of the body. 0. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell . The African giant snail is a large, terrestrial gastropod that can be found in Sub-Saharan Africa. Giant Snail Amigurumi Crochet Pattern by Crafty Intentions. They have. Spindle-shaped shells that can grow to more than a foot and red-orange bodies bright as traffic cones. ( Swainson, 1821) The giant West African snail or banana rasp snail ( Archachatina marginata) is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae. Identification marks of the adult giant African snail was recognized by development of 6-7 rings on the shell. The habitat that a gigantic African land snail lives in has a significant impact on the color of the snail. Lifespan. Terrestrial slugs and snails are hermaphrodites (i. 1: Despite seeing them throughout the day, garden snails are mostly nocturnal. 2. It has an average lifespan of 5-7 years in the wild and up to 10 years in captivity with proper care. 5 – 7 cm (1 – 3 inches). 02 Snails range from 0. 2. Look at the size of that thing!11/14/2023, 12:34:55 PM. The lifespan of an Apple Snail, also known scientifically as Pomacea bridgesii, is typically between two to four years in the wild. The giant triton ( Charonia tritonis ), named after the Greek god Triton - son of Poseidon and god of the sea, is one of the world’s largest marine snails reaching a length of up to half a metre. . On average, they live for about 1 to 2 years. 90% of newly hatched giant African snails survive till adulthood. They have light to dark brown shells with darker stripers across them. Achatina fulica can live up to nine years. They can survive in cold conditions. The Giant African Land Snails’ lifespan usually lasts about 3 to 6 years (as a result of non-favorable living conditions). can be as long as 3. davidianus can grow to 1. Snail Life Cycle . 5, Hardness: On the hard side, for their shells. discussing the major ones of them is important to dive deeper into how long snails live. • Giant African land snails prefer a humid environment. The longest living land snail ever recorded is the Giant African Snail (Achatina achatina). They need a variety of foods, changed regularly. This species of snail is native to tropical and subtropical regions of South America and can be found in various habitats such as rivers, ponds, lakes and even brackish waters. Giant Panda Snails begin life as an egg, hatching snails are tiny, hatching from their translucent eggs at about 15mm in length. Use a shovel to dig the trench outside of each of the wooden posts around the perimeter of your snail farm. ("Achatina fulica", 2014a; "Giant African snail", 2013; Egonmwan, 2007; Tomiyama, 1996) The Giant African Land Snail is a big, tough, well-traveled snail. The biggest land snail recorded was 12 inches long and weighed near 2 pounds. Their conical shell is a brown colour with weak darker markings that appear as bands across the spiral, although the colouration can vary. There are in fact at least 16 species and 57 subspecies of these snails in New Zealand. • Mean attainable size is 12 cm and is considered the biggest land snail in Cuba. e. For example, some species of shallow-water snails may only live for a few years, while others such as the giant clam can live for over 100 years. Nerite Snails are another popular species that thrive in pretty much any freshwater tank. Its most successful growth is in geographic. Cornu aspersum (previously Helix aspersa) – the common garden snail – in Israel. It is considered to be the same species as the Pacific man o' war or bluebottle, which is found mainly in the Pacific Ocean. It is a destructive, agricultural pest considered one of the top 100 invasive species in the world. Salamanders feed on insects, worms, snails, and other small animals. Achatina ampullacea Böttger, 1910. Factors such as the presence of predators, the availability of suitable shelter, and overall population density can also affect the average lifespan. These snails have an extraordinary long lifespan compared with other species of land snails. See moreThe Giant African Land Snail is one of the largest terrestrial gastropods. The older the snail, the larger it should be, all things equal. Gastropods have a muscular foot used for movement and breathe through either lungs or gills. The lifespan of a queen conch is approximately 30 years. Uncover the secrets behind these animals ‘ shells with these snail facts. • Depending on the species, some pet snails can live anywhere from 5 to 15 years or more. [1] It is also known as the Giant African land snail. Common Name (s): Scallop, escallop, fan shell, or comb shell. The Florida Department of Agriculture and Consumer Services (FDACS. Age - Unknown, bred in the UK. Only a few African nations are home to these animals. Knowledge Article. Apple snails. The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm") [4] are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates. Other appropriate tank mates include large freshwater aquarium snails as well as shrimp (the Cherry is a good option). Water temperature: 70 to 86 degrees Fahrenheit (Aim for around 75 degrees) pH levels: 6. Gastropod: Trepospira sp. Powelliphanta snails lay about 5-10 large eggs a year. The shells of these snails often grow to a length of 18 centimetres (7. Can grow into a medium sized snail. The giant African land snail is a highly invasive agricultural pest, known to feed on over 500 varieties of plants. Fucking everyone had a snail. Giant Tritons travel with a broad, muscular foot that crawls through the sand. Powelliphanta snails lay about 5-10 large eggs a year. This species has a small and round. The adult snail is around 7 centimetres in height and 20 centimetres o. This allows them to self-fertilize or cross-fertilize with another snail, depending on the species and conditions. The brownish shell consists of seven to nine whorls that cover. The snails’ life expectancy, like that of any other species in your tank, might vary depending on their quality of life. Helix pomatia, common names the Roman snail, Burgundy snail, or escargot, is a species of large, air-breathing stylommatophoran land snail native to Europe. The Giant African Land Snail is a nocturnal animal, i. Snails are hermaphrodites, meaning they possess both male and female reproductive organs. Reach sexual maturity. 2% agarose gel in a Life Technology E-Gel Imager. Unicorn snails can reach the age of 4, and their average lifespan is 2 and a half years. The underside of the planarian has a large "creeping sole" used for locomotion. However, they are peaceful and won't bother other tank inhabitants. GALS can live up to 10 years with desirable environmental conditions and sufficient food availability. As you would expect, their lifespan is determined by several factors. Partula is a genus of air-breathing tropical land snails, terrestrial pulmonate gastropod mollusks in the family Partulidae. 1) The Egg –. Florida has eradicated the highly invasive snail before, according to the USDA. 0–7. Left: A horse conch, the largest marine snail in the Northern Hemisphere, moves in on a lightning whelk at low tide near Kice Island in southwest Florida. The population of snail increases rapidly in summer, wet spring, and winter season. The water must be clear so that sunlight can reach the ocean floor where the kelp life begins. Malaysian Trumpet Snails need Calcium for healthy shell growth, so make sure calcium is available in their diets. A total of 36 pathogens are known to exist in the snails. Fossil specimen of the gastropod Trepospira depressa from the Pennsylvanian Graham Formation of Coleman County, Texas (PRI 70109). In general, most snails kept as pets can live up to 3-5 years with proper care. 2-inch crabs and journeying inland. Therefore, Giant African Land Snails (GALS) take the leading role here. C. [1] Don't use what you have in your yard, as it can contain chemicals that will hurt your snail. A total of 36 pathogens are known to exist in the snails. [7] (. 6. e. [citation needed] Distribution A hibernaculum on a doocot in Eglinton,. Crabs molt several times as juveniles, but usually once a year as adults. A giant 8ft snail has been unveiled outside the headquarters of Stirling Council by a property chairman protesting delays to a major housing development in the area. The snails carry the frightfully named rat lungworm. Written by Michael. Invasive giant African land snails that can eat building plaster and stucco, consume hundreds of. Snails are unique in that you can tell how old a snail is by looking at its shell. On “average” mystery snails usually don’t live more than 1-2 years. A Galápagos tortoise named Harriet was collected by Charles Darwin in 1835; it died in 2006, having lived for at least 176 years. They come in a diverse range of sizes and their shells are of various colours and patterns. It prefers warm tropical conditions but can survive temperatures lower than 2°C and higher than. Back in the 1960s, a Floridian boy bought three vulnerable looking giant African land snails from his tour to Hawaii. Giant African land snails are one of the world’s most invasive species, threatening native plants in any areas they appear. The Hawaiian Islands have 60 described species, but the family is distributed globally. Monksnail can be found in the sea in the Frost Islands during nighttime. Snails live anywhere from 1-10 years in the wild, and up to 25 years in captivity. Certain examples have been surveyed in the wild at 30×15 cm, making them the largest extant land snail species known. The giant African land snail starts reproducing as young as 4 months old and can lay. Kelp forests grow best in nutrient-rich, clear waters whose temperatures are between 42–72 degrees F (5–20 degrees C). Similar to other giant land snails such as the Achatina fulica, Achatina achatinas are herbivores. Even if you live in Florida, which is overrun with giant foot-long snails that are devouring houses, please do not dispatch them with salt. 28, 2019, in a corner in Havana, Cuba. It is the largest species of land snail. Snails are mollusks that belong to the Gastropoda class. GALS feed on over 500 different types of plants like vegetables, fruits, and tree bark, as well as ornamental plants and stucco used in construction. Lifespan: Between 5-7 years usually, but can live up to 10 years in optimal conditions: Size:Florida officials have spent millions of dollars tracking down the snails over the past 10 years, hoping to completely remove them. The Long Lifespan. Giant African snail has an average lifespan of 5 to 7 years. Two short and two long tentacles with eyes cover their bodies. g. (1992) Homing behaviour of the giant African snail, Achatina. Meanwhile, the following foods are safe for snails: Fruits: apples, apricot, grapes, kiwi, mango, melon, nectarine, raspberry, strawberry. BIOLOGY OF GIANT AFRICAN LAND SNAIL This snail can survive in many different environments. The mating process begins when two snails touch each other’s tentacles. The latter extermination campaign took place in Miami-Dade County and. . Naitamie-Norida elephants (ナイタミエ・ノリダ象, Naitamie-Norida Zō?) are massive elephants whose legs stretch down to the ocean floor, allowing them to walk through oceans. When. Giant African land snails eat at least 500 different types of plants, and they can. Common name: giant applesnail. Tank’s temperature has a direct effect on their lifespan. Many species of Partula are known under the general common names. 0: GH : 6 - 12: Ideal Temperature ℉ 65 - 82 ℃ 18 - 27: Natural Habitat. The average lifespan of a snail is 5 – 10 years but 2 years is more usual. Some of the snails are not hermaphrodites and exist as separate male and female individual animals. A snail farm near Eyragues, Provence, France. These fishes make up the Liparidae, which is classified within the order Scorpaeniformes. Snails typically live 2-5 years in the wild. A. FUN FACTS. You might encounter a giant Dragonfly or a Giant toad along your travels. With its long lifespan, this snail provides plenty of time for owners to build a. Slugs lack a shell. 5 - 8. The largest shells can reach 6 inches. Interestingly, the shells of the Euconulids are translucent, so the colors you see on the shell are actually the snails. There are many different families. In the wild, snails often survive for 2 to 5 years. Other factors related to size can be the snail’s diet and the levels of Calcium in the tank. The common periwinkle, a common intertidal snail, typically lives for 4-5 years. The African giant snails (Achatina achatina) are native to East Africa and. Conservation and preservation efforts are in place to protect this. Despite its fearsome name, the Madagascar hissing cockroaches are described by their human fans as hardy, docile, and easy to handle. Once again, Florida plans to eradicate the giant African land snail, which the U. Snail Lifespan Snails can live for 2 to 5 years depending on the species and environmental conditions. Limax maximus is the type species of the genus Limax. Snails like dirt, but you need to use peat-free compost. They also pose a risk to humans and animals by carrying rat lung worm, a parasite that can cause meningitis in humans. It. The Giant African Land Snail requires calcium to grow their large shell, they will often eat other native snails, this can disrupt native snail populations, this can put endangered snail species at risk. 2-inch crabs and journeying inland. Sandy Adam, the chairman of Springfield Properties, said the snail figure represents the perceived slow speed at which the local authority is moving on Durieshill – believed to. Giant African land snails are among the largest land snails in the. Limax maximus (literally, "biggest slug"), known by the common names great grey slug and leopard slug, is a species of slug in the family Limacidae, the keeled slugs. Can be kept with fulica, albino jade and albino jadatzi. Lifespan: Up to 20 years. Chen, Linse, Copley & Rogers, 2015), is a very large species of Peltospiridae gastropod which lives around hydrothermal vents. Lifespans vary between different species of snail, with some small aquatic snails living only a year or two. The snail arrived in downtown Miami in 1966, and wasn't declared eradicated until 1975. Lifespan: Average 5-6 years but can live up 10 years: About us. Powelliphanta is a genus of large, air-breathing land snails, pulmonate gastropods in the family Rhytididae, found only in New Zealand. They can easily live in any tank size. However, with proper care and optimal conditions, some individuals may live slightly longer, while others may have. in Front,Invertebrates,Land snails,Snails. Based on the life expectancy of related crabs, the Christmas Island red crab probably lives 20 to 30 years. WHILE HARDLY comparing to the monstrous size of Africa’s giant land snail ( Lissachatina fulica ), our native giant panda snail ( Hedleyella falconeri) will nonetheless make your skin crawl. A total of 36 pathogens are known to exist in the snails. After that, it starts to descend to the bottom of the tank. The huge African snail’s shell may be up to 7. Cipangopaludina chinensis has a width to height ratio of 0. The Giant African Land Snail is one of the largest terrestrial gastropods. Some of them only live for about five years. The typical Rabbit Snail’s lifespan in captivity has been estimated to be between 1 and 3 years. 2: Garden snails will be unhappy with the same food every day. 8 metres (5. It is important to note that they should not be kept with fish that eat snails or. The lifespan of Ramshorn snails can vary based on several factors, including species, environmental conditions, and overall care provided. 03 Wild snails live from 3 to 7 years, while those in captivity can live up to 25 years. Land snails found terrestrial life to their liking and now live just about everywhere, from deserts to tropics, from sea level to mountaintops, and in all parts of the world except Antarctica. Uncover the secrets behind these animals ‘ shells with these snail facts. The Giant African Land Snail, for example. Breeding Astrea snail. They can eat building plaster and stucco, devour plants and. These snails have a variety of colors where the most popular colors are light brown, reddish-brown, greenish, or orange with whitish and dark brown mottling. So whenever you're in the Frost Islands during nighttime, make sure to look towards the open sea to check if there's a big jellyfish-looking creature with two yellow eyes moving about. Habitat: Shallow marine habitats around the world. Since most snails are considered to be hermaphrodites, it is easy for snails to reproduce. Snails can have a long life. Astrea snails are broadcast spawner, and fertilization takes place in the water column. The rapidly spreading Giant African Snail Lissachatina [=Achatina] fulica (Bowdich, 1822) has been introduced to many parts of the world since the 1800s and is one of the world’s most invasive species. Another interesting fact about these unique creatures is that there is also a species of Giant aquatic isopods that have been known to reach 2. Casual hobbyists might do better owning a species with a shorter lifespan. This is the same when kept in captivity or in the wild. Upon hatching, the young feed for several months before becoming sexually mature. The Hawaiian Islands have 60 described species, but the family is distributed globally. Tentacles. They can be bad news for people too, as. If humans come into contact with the animals, they can, for example, become infected with rat lungworm – a parasite that can cause. There are in fact at least 16 species and 57 subspecies of these snails in New Zealand. About two-thirds of them are contagious to humans. In the wild, snails often survive for 2 to 5 years. 04 Typically, snails weigh from 25 g to 45 g. a. Achatina bayaona Morelet, 1866. Differing snail species also measure anywhere from less than an inch (e. 5 and 3. 2K votes, 106 comments. Gumboot chiton. According to the observations, they reach reproductive maturity at 6 – 8 months old. Proper care, suitable habitat conditions, and a balanced diet can greatly impact their overall longevity. The snails’ life expectancy, like that of any other species in your tank, might vary depending on their quality of life. Achatina balteata Reeve, 1849 - Cameroon to Central Angola. The giant African snail is considered an invasive species because of its reproductive capacity—up to 600 eggs every two weeks—and its relatively long lifespan of six years on average. Synonyms and Other Names: Ampullaria insularum, Ampullaria gigas, Pomacea insularum, Pomacea gigas, island applesnail (Burks et al. (Image credit: Marli Wakeling / Alamy) Like other live-fast, die-young species, mayflies are. Snail Lifespan. The giant African snail can lay as many as 100 – 400 eggs in one season. Lighting: Normal community tank lighting. The Cerith Snail starts its life as a one-cell zygote. Each egg is up to 12 mm long, pearly pink and hard-shelled - just like a small bird’s egg! It is estimated that Powelliphanta snails can live up to 20 years. ( Swainson, 1821) The giant West African snail or banana rasp snail ( Archachatina marginata) is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae. provided by wikipedia EN. Obviously, trochus snails come in a variety of sizes. Giant African Land Snails (Achatina fulica) have an average lifespan of 5-7 years, though in captivity they can live up to 10 years with proper care. GALS, African giant snail, Giant African land snail, Big black snail, Banana rasp snail, and West African snail: Scientific Name: Archachatina marginata: Tank size (minimum) 5 gallons (~20 liters) Keeping: Easy: Breeding: Easy: Size: 15 – 18 cm (~6 – 7 inches) Optimal Temperature: 25 – 28 C (77 – 82 F) Optimal Humidity: 70 – 80%. Some of the longest lived mystery snails are said to live 4-5 years, but that is not the average lifespan, it’s pretty rare to see this. GALS are listed in the Global Invasive Species Database's "100 World's Worst Invasive Alien Species. Turbo sarmaticus Linnaeus, 1758 - South African turban, giant periwinkle, alikreukel; Turbo saxosus W. 6 feet), and A. Snails are mostly hermaphrodites, each snail has both male and female reproductive organs. The largest snail ever recorded was 15. Ramshorn Snails Lifespan. Giant Rabbit Snail; Green Rabbit Snail; These types differ mostly in appearance, among other factors. 5. The Giant African Snail (Achatina achatina) is one of the largest land snails in the world, with an average length of 7-8 inches (18-20 cm) and weight of 8-10 ounces (227-283 g). is omnivorous and feeds on live or decaying plants, fish, eggs, and juvenile snails (Robins 1971, OGATT 2018). They need a variety of foods, changed regularly. There are giant snails. The largest slug species is Limax cinereoniger of Europe, which can reach 30 centimetres (12 in) in length. They’re flexible when it comes to water parameters and can fit in rather small aquariums (this species rarely grows larger than one inch in diameter). 0 and 8. Giant African Land Snail; As its name suggests, the Giant African Land Snail is one of the largest snail species in the world. Because of these two characteristics, these kinds of snails are considered invasive. Like other cephalopods, an octopus is bilaterally symmetric with two eyes and a beaked mouth at. In snail terms, that is an incredibly long life span! Rare white snail discovery Freshwater snail. At the front of the head is two pairs of tentacles. On average Achatina fulica has a lifespan of 5-6 years but are known to live up to 9 years, with predators and unfavourable living conditions being the main. 0 feet (91 cm). The lifespan of a Giant African Snail is influenced by various factors, including environmental conditions, availability of food, and threats from predators. Depending on the species and temperature, it develops into the veliger stage within 3 – 7 days. Lifespans of aquarium fish vary considerably depending on. Jay Pasqua, owner of East Richey Lawn Mower and Equipment. Life Cycle of Snail. With a lifespan of 15–20 years, nautiluses are the longest-living cephalopods. Before we explore each stage of the snail life cycle, let’s first provide a.