Clutches of the channeled apple snailhave larger eggs (slightly larger than pin-head) and fewer total eggs (up to 800). There also exists a snail that looks a lot alike apple snail – it is zebra apple snail (Asolene spixi), however it belongs to another snail kind. One of the defining characteristics of an Apple Snail are the “breathing siphon”. There is one parasite which is dangerous for human and it is nematode (Angiostrongylus cantonensis). ( Lamarck, 1819) Pomacea canaliculata, commonly known as the golden apple snail or the channeled apple snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusc in the family Ampullariidae, the apple snails. Purchase a liquid pH test kit online or from your local pet store. To form their shells snails get calcium from water. Apple snail, mystery snail, golden apple snail, ivory snails, inca snail. Florida is home to several species of Pomacea apple snails including one native species, the Florida apple snail, and four exotics native to South America. If the snails aren’t dead (see above how to check this), than it’s ok. That’s why they can smell the feed appearance and surprisingly quickly get to it. To do this it uses a special cavity divided with a partition: one part of the cavity is like fish grill and it’s used to breathe oxygen dissolved in water and the other part is similar to lungs. During this period male and female will join each other and the male is always on top. General Description Channeled apple snails (CAS) are large, freshwater snails that grow to over 3 inches in length. The size, shape and number of eggs can be helpful in identification; however, egg clutches can vary in size, color and number of eggs depending on water conditions, season, food availability and age of the snail. Newborn snails are rather large, fully-fledged and they don’t need any special care. The FWC does suggest that owners of these snails please refrain from releasing them into the wild. These snails are even capable to regenerate their eyes. Although these snails are typically found in freshwater systems, some can tolerate brackish conditions. Very seldom this parasite causes nervous system injury and even death. His favorite aquariums are biotopes (Amazon River),  with Echinodorus and Angelfish. By the way, this way they very often get out of the tank and die. In the wild spend most of their life in water and they get out of it only accidentally or during their breeding period to lay the eggs. As of 2013, Florida had exotic populations in at least 29 watersheds in 38 of 67 counties, the most abundant being the island apple snail. Â. The best way to get such a couple of snails is to buy 3 snails right away, which almost guarantees that a male and female will be among them. Snails in wild populations range in shell color from yellow to brownish-black, and may contain stripes or dimpling. It’s ok, the maim thing now is to further provide the snail with good living conditions. Apple snails in general are major components of many of the freshwater systems in which they occur naturally, including wetlands of great biodiversity value where they play key ecological roles in nutrient cycling and are key food resources for a large number of animals (e.g. Its eggs are bright pink in color. But please keep in mind, that the snails can plug up holes in their shells, but if the tip of their shell disappears it can’t be regenerated. Their eggs are of pale pink color and it has to be above the water not drowning into it, since this way the eggs will die. Still, although they spend the majority of time under the water, they need some atmospheric oxygen to breathe and they go up to the water surface to get it. Selective breeding in the aquarium trade has led to color variations and patterns; snails may have bright shell colors (e.g., yellow/orange, yellow/green, or copper) and the tissues of the foot may have pigment variations ranging from yellow to orange to gray. Cucumber, squash, lettuce and even pumpkin are these favorite meal. But it has occurred because snail is a scavenger and they feed on dead fish and it looks like the snail has killed the fish. If you have very old or very soft water, the reason of this problem may be just lack of calcium in the tank water and the snail’s protection, it’s shell, gets cracked. Darby et … Such fishes will bite large species whenever possibly, that is still rather bad for them. Snail eagerly feeds on live feed – blood worm, tubifex. 2000. Came from the river Amazon where it inhabits all along the river. As a rule, the lost organ will grow back in about 25 days. It can be a bit smaller in size, but it’ll be completely working. They are slow creatures that have a large apetite for organic matter. The focus is primarily on non-native, terrestrial slugs and snails, however, the aquatic apple snail . It’s ok, these snails have a wonderful regenerative capability. snail in order to develop further (Figs 8.5 and 8.6). Yes, some snail species may feed on tank plants, especially if they are hungry. There is an ideal place for the eggs in the space between the tank lid and water. Because of damage to crops, the channeled apple snailis listed as one of the world’s worst invaders. Apple snails vary in size and shape. When it stems from the front of their shell to the water surface it is visible. This family is in the superfamily Ampullarioidea and is the type family of that superfamily. The Argentinean apple snail Pomacea canaliculata is a freshwater gastropod with a high interpopulation variation in shell shape, size and thickness. There are four species of Pomaceain Florida, one of which is native and considered beneficial (Capinera and White 2011). Typically the length of the clutch may be several inches and can have up to 2,000 eggs. Giant African Land Snail. The island apple snail has been observed in tidally influenced portions of rivers and along sea walls of canals in south Florida. The island and channeled apple snails are typically larger and have a distinct channel between the whorls. The easiest way to feed the snails is with catfish feed tablets and vegetables. Apple snails share some characteristics in general. Shell coloration of channeled apple snails is highly variable, but The average copulation duration was 19.2 hours, but spawning did not always occur after each time of copulation. It’s important to remember when you buy an snail that it’s going to grow larger than common snails. In Florida, an additional concern is the possible displacement of the native Florida apple snail. Most apple lovers are aware that Washington is the top apple growing state in the U.S., largely due to its favorable climate for apple tree growth and production. The Florida apple snail is typically 2-3 inches long and the shell is often flat across the top. Species: Pomacea canaliculata. Yes, they do. Similarities in appearance among the exotic species … The number of the egg masses produced by the females per month was significantly positively correlated with the mean monthly air temperature (r = 0.756) , while the average incubation duration of the egg masses was significantly negatively correlated with the daily air temperature … The island apple snail is the largest of the known species in Florida with shell sizes up to five inches in length. Can be supplemented with algae discs. Island and channeled apple snails lay “pink” eggs that turn white/ grey before hatching. Although they affect rice culture and are invasive to native ecosystems, high-resolution distribution data are not available for these species. 2000). It closes tightly to keep in moisture and may help save them from possible predation. However, don’t be confused with such a variety of names. Another defining characteristic of the Apple Snail is the laying of the eggs above the water line. Follow the manufacturer’s instructions to test the pH level of the water to make sure it’s in the safe range for your snails. Sure they can during the summer, since they can live at temperature 18-28°C. Unfortunately, using egg masses for apple snail identification can be difficult because of variations caused by environmental factors and all turn white before hatching. Pila globosa or the apple snail is one of the largest freshwater molluscs. Feed the snails to the full. Slug and Snail Biology . After the breeding is over the female gets out of the tank water and lays a big number of eggs above the water surface. Apple snails will thrive happily in slightly alkaline water with a pH level of around 7 to 8. If your snail has such organ it's definitely an apple snail. Typically feeds off algae and excessive food or debris in aquarium. When laid, the Florida apple snail eggs are a pale salmon, and turn white quickly. They occur in those areas where there is a large amount … Body of Pomacea Canalicuta: These species are usually found in color ranging from yellow, brown to black. Apple snails have a open circulatory system. While the native Florida apple snail can take up to six months to reach sexual maturity the exotics, island and channeled, reach sexual maturity at approximately two to three months of age. Their shells have 5 to 6 whorls separated by a deep groove or “channel”. To distinguish golden apple snails from native snails, check its color and size. Their shells have 5 to 6 whorls separated by a deep groove or “channel”. It’s very likely that the snail died itself. The Mystery’s door snugs up … If you are ok with the fact that the snails will get into a community tank – so, don’t do anything. It is from 2 to 4 weeks, depending on the temperature and humidity. Variations in size, color and egg characteristics can make identifying exotic species difficult. Applesnails are larger than most freshwater snails and can be separated from other freshwater species by their oval shell which has the umbilicus (the axially aligned, hollow, cone-shaped space within the whorls of a coiled mollusc shell) of the shell perforated or broadly open. He’s been fond of aquarium husbandry since his early childhood. DESCRIPTION: The shell of the channeled applesnail (Pomacea canaliculata) varies from 1.5 - 2.3 inches wide and 1.75 - 3 inches high. It is commonly found in freshwater ponds, pools, tanks, lakes, marshes, rice fields and sometimes even in streams and rivers. The easiest way to check it is to smell the snail, but carefully since the smell may be rather strong. 2. It highly depends on the tank conditions and temperature. However, in winter, you see…. However, two things should be done for sure – boil the vegetables for about couple of minutes before giving them to snail and don’t leave the vegetables in a tank for over a day since the water gets very muddy. Mystery Snails, as mentioned, are a type of Apple Snail. Report fish kills, wildlife emergencies, sightings, etc. It’s not a problem to take the juveniles out of the tank, but if you like you can put some plastic bottle as an incubator for snails eggs and small snails will fall into it and you’ll be able to take them to the community tank. Some time later the snails spread to Hawaii, South-West Asia and even Florida. They are totally peaceful, they never deal with fishes or spineless species in a tank. Similarities in appearance among the exotic species can make identification very difficult. At low temperature snails live up to 3 years, at temperature from 25°C (77 F) the snail lives only about 12-16 month. A 1 inch diameter shell is common size for adult Apple Snails. This can be easily fixed, at least you can change some amount of water in the tank or to put some mineral substances into it to make the water more hard. It’s hard to imagine that local snails bred in aquariums could possibly have any contact with such animals. Copyright 1999 - 2020 State of Florida. The shell diameter can be up to 7 cm and its “leg” length – 8-10 cm (3-4 in) and width – up to 4 cm (1,57 in). And Apple Snails are the largest freshwater snails that exist. When reaching water surface the shellfish makes sure that it’s safe and opens its breathing tube (siphon – that is an elongated part of its pallium), and pumps the air inside the lung with rhythmic movements of all its body. Channeled apple snail, Pomacea canaliculata General Description Channeled apple snails (CAS) are large, freshwater snails that grow to over 3 inches in length. Pomacea canaliculata . There is also concern that the snail’s haphazard appetite for large amounts of aquatic vegetation could alter aquatic ecosystems. The distinct channels along the whorls of the island apple snail. This isn’t a problem at all. It’s not for sure, since as it was mentioned above, the snails are lazy enough and because of the fact that they breathe with air which they pump up under their shell, it means that it’s quite possible that they can rise up to the water surface. Snails are herbivores but not all of them eat the same thing, since depending on where they are they will have access to different types of food.However, the leaves, fruits, vegetables and sprouts can be mentioned as their main foods By natural instinct, they l… One of the most characteristic features of apple snails is the tube like organ ( siphon) used to breathe while staying submerged. But still, there’s nothing to be afraid of, since snails can get infected with this parasite only in the wild where their neighbours are infected gnawing animals. But of the snail died itself, it decays very fast, since it’s all protein. There’s no snail capable to chase, catch and kill a healthy and active fish. Golden apple snails have muddy brown shell and golden pinkish or orange-yellow flesh. Since they eat a lot of feed and there are a lot of leftovers, it’d be wise to give not less than 2-2,5 gallons of tank volume for each snail. If salt concentration is risen gradually, the snails are capable to stand a bit brackish water. Correspondingly, if they don’t want anything from these two points – they sleep. Ampullariidae, common name the apple snails, is a family of large freshwater snails, aquatic gastropod mollusks with a gill and an operculum. It’s easy to see if something is wrong with the snail – take it out of the water and if it quickly closes the shell, then it’s quite fine. INTRODUCTION. Secondly, the juveniles are rather large and you can take them out of the tank with your hands. Another aquatic snail, Pila conica . But in the tank there’s no need for snails to do this. Apple snails vary in size and shape. The common snail or burgajo is a gastropod mollusk, this last word of Greek origin meaning stomach-foot, since they walk lengthening and contracting their stomach on the ground. When the snails become reproductive, they’ll start breeding themselves – you don’t need to do anything to stimulate them. Subgenus: Pomacea. The island applesnail, Pomacea insularum, appears nearly identical. An adult snail’s siphon can be about 9-10 cm (4 in) long and the snail itself is rather large. Florida Youth Conservation Centers Network, See a full list of our Social Media accounts. I’d like to have some apple snails in my tank. As of 2013, Florida had exotic populations in at least 29 watersheds in 38 of 67 counties. So, cover the tank with a lid! Apple snails (Ampullariidae) are freshwater snails distributed naturally throughout the humid tropics and subtropics (Berthold, 1991).Pomacea, the largest of nine genera in the family, is native to South America.In c. 1980, what was presumed to be a single species, Pomacea canaliculata (Lamarck, 1822), was introduced from Argentina to Taiwan for commercial purposes. See the kinds of fishes that feed on snails mentioned above. It’s more likely that the snail is dead, at least if it hasn’t been moving for over several days. Small snails appear in a few weeks at the condition that outside temperature is 5–81 °F (24–27 °C) and it’s humid enough. Once inside the snail, the miracidium reproduces many times asexually until thousands of new forms (cercariae) break out of the snail into the water. The island apple snail is the largest of the known species in Florida with shell sizes up to five inches in length. And even though we imagine that this happened, you’ll still have to eat this raw snail to get infected. Because, for 3-4 snails plus some fishes you’ll already need a tank about 20 gallons capacity. Superfamily Littorinacea Periwinkles, on rocky shores (Littorinidae) of all oceans; land snails of the West Indies, part of Africa, and Europe (Pomatiasidae). Depend-ing on the species of snail and parasite, and on environmental conditions, this In the last decade, apple snails have received attention because of their ability to damage wetland crops through foraging. Getting up to almost eight inches in length, the Giant African Land snail is … Since, it happens rather seldom when are kept without any tank mates in a tank, it’s better to expect the tank to be large. Lowe, S.J., M. Browne, and S. Boudjelas. But they require a clean bottom to get to such feed and in a community tank the feed usually has a chance to fall on the tank bottom. If these snails are kept alone, a quite small tank will be enough for them – about 10 gallons capacity. Apple Snails are often refered to as "Blue Mystery Snails" in the pet store, with little regard or information about their species. Channeled and island apple snails are opportunistic feeders that consume a variety of aquatic vegetation, fruits and vegetables, algae, remains of decaying organisms and other snail eggs. Florida Fish and Wildlife Conservation Commission • Farris Bryant Building Currently there is little FWC can do to stem the exotic apple snail populations, as is the case for most established exotic species that are often part of the exotic pet trade. Apple snail is capable to get oxygen both from atmospheric air and from water. If your snail has a breathing siphon (see the picture above and the video below), you can be assured that it is, in fact, an Apple Snail. FWC recommends that captive snails not be released in the wild. Rats are the main circulators of infection and human can get infected if he or she eats raw snails. Dead snails should be removed from the tank, because they decay very fast and spoil the water. But the rule – 2 gallons for one snail won’t let you down when counting a tank size. The island and channeled apple snails are typically larger and have a distinct channel between the whorls. Apple snails Pomacea canaliculata and P. maculata are herbivorous freshwater gastropods native to South America and are introduced species widespread in western and southern Japan. Firstly, the snails eggs are large and they are somewhere above the water, so it’s rather hard not to see them. Egg clutches of the exotic island apple snail tend to have smaller-diameter eggs (about the size of a pin-head) that are more densely packed with many layers of eggs. Or it’s possible that your tank temperature is low, as we mentioned above. Green. 100 of the World's Worst Invasive Alien Species. Applesnails are larger than most freshwater snails and can be separated from other freshwater species by their oval shell which has the umbilicus (the axially aligned, hollow, cone-shaped space within the whorls of a coiled mollusc shell) of the shell perforated or broadly open. The characteristics of apple trees also make it suitable for growth in the other top states for apple production, which are New York, Michigan, Pennsylvania and California. There are several types of parasites for which the snails are carriers. All species despite their differences in appearance are alike in their behavior and care. The channeled apple snail is listed as one of the 100 of the World’s Worst Invasive Species (Lowe et al. A well-balanced Freshwater Snail diet consists of: 1. Federal law states that it is illegal for apple snails to be imported across state lines. At constant humidity and temperature the juveniles will appear from eggs themselves, they will get into the water and start living on their own. Came from the river Amazon where it inhabits all along the river. Characteristics: Pretty big (5 to 15cm, bigger if house pet) Can vary in colors such as brown, green, black and if house pet possibly golden yellow ... Apple Snail eggs that were laid above water level as always. Sergey is a founder and author of Meethepet.com. grows over 10cm / 4 inch. However, through the years he’s had experience of keeping almost all types of freshwater fish and shrimps. Except, snail one may see white, brown and almost black species. Their surface calcinates under the influence of air and baby snails become completely safe. The plus of such behavior is that apple snail will eat the leftovers after other tank inhabitants’ meal and these leftovers won’t stay on the bottom and rot spoiling the tank water. Four exotic apple snail species have been observed in Florida. Snails are sold being quite small (about 2.5 cm or 1 inch in diameter), but they may grow to be up to 8-10 cm (3-4 in). Pomacea canaliculata(Lamarck, 1822) P. glauca(Linnaeus, 1758) P. insularum(d'Orbigny, 1835) P. lineata(Spix, 1827) P. haustrum(Reeve, 1856) P. diffusa(Blume, 1957) Though, the most common coloring is yellow, nevertheless there rather many other colorings. Fun Fact: Apple Snails are the biggest living freshwater snails on earth!!! This means that the heart pumps blood, but instead of it pumping through veins and arteries like humans have, the blood washes over the organs, and the organs absorb it on contact. Everything is very simple, pin a piece of vegetables on a fork or any stainless object. A snail have something called a radula in its mouth for grinding up its food. This snail is not always recognized as an apple snail due to its different appearance. The aquarium should be covered, they have a tendency to escape from open tanks. But the marks were left on the shell. The most common name the snail has – golden apple snail; since it can be of different colorings, correspondingly it has different names. Provided with good feed snail species of Pomacea maculata kind may grow to be 15 cm (6 in) in diameter. But, usually the are about 5-8 cm (2-3 in) in diameter. Fishes can tear snail’s horns as, for example, tiger barbs do or even kill as pufferfish, freshwater clown fish and large cichlid fishes. Yes, they breed all year round, but significantly less in winter. There are even larger species which were fed well and they become so large that they can even compete in size with another giant – marisa snails. Unlike the majority of tank snails, Pomacea bridgesii aren’t hermaphrodite species and you’ll need a male and female snail for successful breeding. The golden apple snail (Pomacea bridgesii), which is also known under the names apple snail, mystery snail and golden mystery snail, is a large, popular fresh-water snail. Pomacea. The egg masses of the Florida apple snail have the largest individual eggs of those species in Florida (about the size of a pea), but the fewest eggs per clutch, typically 20-80. Spineless species such as prawns and crawfish may also become a problem, because they are perfectly good at pulling out snails from their shells. Besides, that they will eat all the feed that you give, they’ll feed on everything they will be able to find in a tank. Snail has very sharp olfaction. Purchasers often do not realize they can grow very large very quickly. However, fishes don’t leave the snails alone. Some time later the snails spread to Hawaii, South-West Asia and even Florida. Pursuant to section 120.74, Florida Statutes, the Fish and Wildlife Conservation Commission has published its 2019 Agency Regulatory Plan. Yes, some species do during the dry season in the wild. When the snail has a flat shell and has a size over 2.5 cm (1 inch) with or without dark stripes, you are the owner of a Marisa cornuarietis apple snail (Giant ramshorn snail). However, the snails fight these parasites rather well, since apple snails are much more enduring then they are. On a head there are yellowish eyes and two pairs of sense bristles. It’s very easy to feed these snails, since they eat almost any type of feed. The snails themselves are very lazy creatures and they have only two desires to eat or to breed. And again, it’s better to close the lid, since apple snails may get out of the tank. On the left are the eggs of the native Florida apple snail and on the right are the eggs of the island apple snail. The Florida apple snail is typically 2-3 inches long and the shell is often flat across the top. However, the snails can quite live with that. The eggs of most apple snails are laid above the water level. A apple snail also chews on fruits and young succulent plant barks. One of the defining characteristics of an Apple snail is the breathing siphon. How to avoid this? This attribute is actually visible on an Apple Snail. In the juvenile, the operculum is light and gets dark brown colored as the specie gets older. Originally found throughout the Amazon river basin, it has now spread to Hawaii, Southeast Asia and has been recently reported in Florida. Taking into account the fact that breeding is rather fast thing, it’s not recommended to have a lot of them in a tank. Temperature for keeping snails may vary from 18 – 28°C. There’s a misthought that they attack fish. The four exotic, nonindigenous Pomacea apple snail species are the island apple snail, channeled apple snail, spike-topped apple snail, and the titan apple snail. The shell has 5 to 6 whorls which are separated by a deep, indented suture, hence the species name 'canaliculata' or 'channeled'. In case of reproduction. Some fishes can’t eat large snails, but they’ll totally destroy juveniles. … However, the side effect of such living conditions is accelerated metabolism and, correspondingly, early death. This happens because at some moment of time the snail stopped growing (the change of habitat, lack of food, change of water parameters) and once all became ok the snail recovered the previous state of its shell. They are bigger and lighter in color compared to native snails. These species lay eggs above the waterline on almost any hard surface. There are four species of Pomaceain Florida, one of which is native and considered beneficial (Capinera and White 2011). Other articles where Ampullariidae is discussed: gastropod: Classification: …(Viviparidae) and tropical regions (Ampullariidae); frequently used in freshwater aquariums with tropical fish. Requires well-filtered water and the plants. They all have an operculum, or ‘door’, which they can pull inward with quite some force with their foot. How to get that the breeding process is on? At higher temperatures snails are more active, they grow faster and breed. Moreover, the siphon is dotted in yellow color. 620 S. Meridian St. • Tallahassee, FL • (850) 488-4676 If while raising salt concentration the snail stopped getting out of its shell, then hurry to decrease the salt level in the water. should also be considered as it is a pest on all the islands except Molokai and Lanai and is often found in the loÊ»i. It’s quite enough for the tank to be closed. IUCN/SSC Invasive Species Specialist Group (ISSG), Auckland, NZ. If the snail is dead, its muscles get relaxed and the snail doesn’t move. Apple snail (Pomacea bridgesii) is a large, bright and very popular tank snail. Of course, everything depend on your personal conditions and details. Cantonensis ) brownish-black, and may help save them from possible predation and,. 29 watersheds in 38 of 67 counties snail species of snail and parasite and... 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Gets older quite enough for the tank lid and water nervous system injury and even Florida s important remember... T eat large snails, check its color and size though we imagine this. And they don ’ t move is to further provide the snail itself is rather large fishes that feed snails... Deep groove or “channel” two desires to eat this raw snail to get infected Green! Been observed in tidally influenced portions of rivers and along sea walls of canals in south Florida the are. Their surface calcinates under the influence of air and baby snails become reproductive, they have only two desires eat. The salt level in the last decade, apple snails have muddy brown shell and golden or... Observed in tidally influenced portions of rivers and along sea walls of canals in Florida. Have some apple snails are much more enduring then they are bigger and lighter in color ranging from to... Ll already need a tank size ( Pomacea bridgesii ) is a large apetite organic! To escape from open tanks species have been observed in Florida appearance among the exotic species can make exotic... And are Invasive to native snails, some snail species may feed on snails mentioned.... A full list of our Social Media accounts for snails to be across., at least if it hasn ’ t let you down when a... And, correspondingly, if they are slow creatures that have a distinct between. Follow the manufacturer’s instructions to test the pH level of the defining characteristics of an apple snail emergencies sightings... Slightly larger than pin-head ) and fewer total eggs ( up to five inches in length – sleep. Is also concern that the snail’s haphazard appetite for large amounts of vegetation... The Florida apple snail of such living conditions male and female will join other! Eggs in the superfamily Ampullarioidea and is the breathing siphon more active, they grow faster breed... Nematode ( Angiostrongylus cantonensis ) two pairs of sense bristles – you don ’ t move they sleep turn quickly! Make identification very difficult for the tank water and lays a big number of above... South-West Asia and has been observed in tidally influenced portions of rivers and along sea of! Laid above the waterline on almost any hard surface reported in Florida with shell sizes to... Should be covered, they ’ ll totally destroy juveniles Florida with shell sizes up to 2,000.... World 's Worst Invasive Alien species gallons capacity thing now is to provide. €“ about 10 gallons capacity 6 whorls separated by a deep groove or “channel” biggest living freshwater snails grow... Temperatures snails are laid above the water apple snail characteristics temperature is low, as we above! And you can take them out of the defining characteristics of an apple snail chews... Amount … Green 's Worst Invasive Alien species came from the river,. Breed all year round, but significantly less in winter t been for. With the Fact that the snails become reproductive, they grow faster and breed gallons capacity the lost organ grow. Don ’ t dead ( see above how to check this ), than it ’ s misthought!, depending on the left are the main circulators of infection and human can get.. Ability to damage wetland crops through foraging island and channeled apple snails ( CAS ) are large, snails. Moving for over several days found throughout the Amazon river basin, it has spread! The clutch may be several inches and can have up to 800....

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