Clea helena was originaly described as Anentome helena and both names are widely used for this species; Anentome is frequently used as a subgenus, i.e., as Clea (Anentome) helena. This listing is for a group for three baby assassin snails. assassin snail aquatics live snail eater cleaner helena fish tank aquarium uk. The snails will be observed near each other for around 12 hours. They will obliterate unwanted pest snails and eliminate the need to use harsh, snail-killing chemicals in your aquarium. This means that even if you're not looking to have it massacre some … Playing next. It is not reported from the wild in other regions but is traded in North America, Europe and Asia as an aquarium species. Under the right conditions, a well fed, mature Assassin Snail can grow to be upwards of 3 inches. $22.00. Assassin snails or Clea helena (formerly Anentome helena) are carnivorous snails commonly found in the aquarium industry. Your best chances to get them to breed is to have a group of at least six snails. Brandt RAM, 1974. (2016a) report occurrence in Singapore as the first non-native establishment of this species, further asserting the introduction was via the aquarium trade. Information about select aquarium invertebrates. They primarily inhabit small bodies of water, and are most commonly found in ponds or ditches. Original citation: Collection of Academy of Natural Sciences, Philadelphia, USA, Kranji Reservoir. In: Anentome helena: fiche pour maintenance en aquarium, http://www.aquaportail.com/fiche-invertebre-736-anentome-helena.html, Boon-ngam P, Sriyarun J, Tanamai S, Dumrongrojwattana P, 2010. 10 x assassin snail live snail eater clea helena fish tank aquarium. 353 sold. Compendium record. Under aquarium conditions snails mate above the surface of the substrate and then the females deposit their eggs one at a time in small, semi-transparent capsules (sacs) on solid surfaces such as stones and plant stems. They will be fine in most community tanks. An Assassin Snail found in stores will generally be about 3/4 of an inch long. The Southeast Asian Journal of Tropical Medicine and Public Health, 33(4):733-738. Clea Koff (621 words) exact match in snippet view article find links to article Clea Koff (born 1972) is a British-born American forensic anthropologist and author who worked several years for the United Nations International Criminal. They stay partially hidden under the sediment, and if a snail its size or smaller slides past, they will give chase and devour it. Clea Helena species is one of very few groups of whelks (sea snails) that adapted to live their entire life in freshwater habitats. Benthic Macroinvertebrates as a Biological Index of Water Quality in the Lower Thachin River. The members of this genus are known as assassin snails for their habit of eating other snails. Assassin snails prefer slow-flowing water, so make sure your flow isn’t too strong. First non-native establishment of the carnivorous assassin snail, http://dx.doi.org/10.1371/journal.pone.0161130, http://siputkuning.blogspot.com/2009_12_27_archive.html, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. It is also extraordinarily eye-catching in planted aquariums, featuring a bright yellow with chocolate brown striped shell. This species is similar in shape and size, but its shell is more or less uniformly brown. 1:57. However, its scientific name is Clea Helena or formerly known as Anentome Helena. First non-native establishment of the carnivorous assassin snail, Anentome helena (von dem Busch in Philippi, 1847). Hatching and development are imperfectly known, but aquarium reports suggest that the juveniles hide in the substrate most of the time, and only become obvious once they are about six months old by which time they have a shell length of around 8 mm. PLoS ONE, 11(8):e0161130. free postage . © Copyright 2021 CAB International. Monks N, 2010. Escargot anentome helena (mangeur d'escargots) : fiche complète, paramètres, volume, maintenance en aquarium, reproduction et nourriture Escargot anentome helena (mangeur d'escargots) Outre le nom scientifique, il est aussi connu sous clea helena ou escargot helena ou escargot mangeur d'esgargots ou assassin snail ou clea helen Breeding under aquarium conditions is said to be easy. Otherwise, Clea helena is a peaceful community tank resident. As I began to do my research on Assassin Snails, I read so many contradictory articles on the internet, I was completely amazed. This is a tropical species with a wide distribution across South-East Asia. [English title not available]. They will obliterate unwanted pest snails and eliminate the need to use harsh chemicals in your aquarium. Assassin snails can be affected by multiple factors. Practical Fishkeeping, 2010(13):14-15. Assassin snails will often breed in captivity. C. helena is transported widely as an aquarium species (Ng et al., 2016a). or best offer. This genus was treated within family Buccinidae. Assassins are very sensitive to change, so make sure you keep your parameters stable. The names ‘assassin snail’ and ‘snail-eating snail’ both refer to this snail's predatory nature and tendency to consume small snails of the sorts found in home aquaria. Assassin Snails – called Anentome Helena before being given its current scientific name: Clea Helena. Bouchet P; Rocroi JP, 2005. (Redirected from Clea helena) Anentome helena, common name assassin snail or bumblebee snail, is a species of freshwater snail with an operculum, an aquatic gastropod in the family Nassariidae, most of which are marine. The distinctive shape of this species, its yellowy shell with brown spiral markings, and its predatory habits make it easily distinguished from all other aquarium snails. Also, they need a minimum of 10 gallons.Feeding. Browse more videos. The Assassin Snail, or Snail Eating Snail, is a small, easy-to-keep freshwater invert completely harmless toward fish and shrimps, but quite effective in reducing nuisance snail explosions. Adults and juveniles look very similar, except that juveniles are paler in colour. Its not as easy as caring for some other types of snails, but as long as water conditions are right, and food is plentiful, Assassin Snail care does not take much effort. The assassin snail (Clea helena) is a freshwater snail belonging to the Buccinidae family. Assassin Snail Clea helena (formerly Anentome helena) Report. They are particularly adept at handling populations of pond snails, Malaysian trumpet snails, ramshorn snails, bladder snails, and more! http://kucon.lib.ku.ac.th/dbstat/download_count.php?rec_no=KC4805019&mfn=012249&db=kucon, CABI, Undated. In the front it has a characteristic notch from which the Assassin snail sticks up its trunk. free postage. (2016a) describe the discovery of the species in a reservoir in Singapore, and believe it to be the first report of Clea helena as an introduced species. It conforms to its family in terms of shape, having a tightly coiled shell with moderately deep radial ribs and one, two, or three brown spiral bands. In aquaria it spends some of the time burrowing under the surface of the substrate but appears to forage on the surface. *These snails are carnivores and won’t “clean” your aquarium like many other snails, i.e they are not algae eaters. Images of C. helena are widely reproduced in the aquarium literature, and identification of this distinctive species should not be difficult. An assassin snail will lay eggs that will be barely visible and after about a month they will hatch. Trematodes pose a public health problem across large parts of the world, and many of these have a life cycle that involves freshwater snails. Fischer), 1-231. The baby snails will then be in the substrate for approximately the next 6 months (until they mature). They are not challenging to take care of as long as the water conditions are right, and they have plenty of food. http://www.aquaportail.com/fiche-invertebre-736-anentome-helena.html, Boon-ngam P; Sriyarun J; Tanamai S; Dumrongrojwattana P, 2010. Your assassin snails won’t pay attention to most fish. The white spots are often parasites. [citation needed] Taxonomy. Assassin snails are a carnivorous species and as such will eat snails smaller than them. Preliminary taxonomic study of land snail and freshwater mollusk species in Sakaeo Province, Eastern Thailand. It has not been reported in the literature as an invasive species but is potentially a threat in warmer regions for a number of reasons. CaribSea Eco-Complete 20-Pound Planted Aquarium, Black 4.7 out of 5 stars 3,737. Tropical rainforest and tropical monsoon climates as preferred climates for these snails. CABI is a registered EU trademark. The distribution in this summary table is based on all the information available. Not hermaphrodites, so need a male and female counterpart in order to reproduce. assassin snail clea helena aquarium live fish shrimp,snail killer. Assassin snails will help keep pest snail populations in check while adding beauty. Shell of aquarium Assassin Snail Clea helena (Anentome helena) - Acheter cette photo libre de droit et découvrir des images similaires sur Adobe Stock Assassin snails are predators and scavengers which feed both on live snails and on carrion or decaying organics, and this is what made them popular tank inhabitants. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. In the wild inhabit in not very deep waters with pure water on the South-West of Asia – in Indonesia, Thailand. They won’t add much activity to the tank and are quite slow. Assassin snails love eating bloodworms, algae wafers, and brine shrimp ( however, this depends on the snail). Even if you don’t have a pest snail issue assassin snails are a nice looking, stripey snail that won’t harm any of your plants. unpaginated. (2016a) comment on the fact that the feeding habits of this species are based on aquarium observations rather than their natural behaviour in the wild. Clea helena is a Southeast Asian freshwater snail closely related to the marine whelks (family Buccinidae). Unfortunately, little is known about its ecology in the wild. Nationwide Fish 5 Live Freshwater Assassin Snails (Clea Helena) 0.5" - 1" 4.0 out of 5 stars 154. Freshwater whelks, anyone? Even if you don’t have a pest snail issue assassin snails are a nice looking, stripey snail that … £4.99. Anentome helena: fiche pour maintenance en aquarium. Existing choices were limited to things like pufferfish and the larger loaches, particularly botiine loaches, but these fish are often difficult to maintain, and in the case of puffers especially, tend to be nippy towards their tankmates. There are two sexes but they are nearly impossible to tell apart. Dennerle Snail Catcher 4.2 out of 5 stars 518. Finally, under aquarium conditions at least, it will readily consume small aquatic snail species that it would not encounter in its natural habitat, and there is no reason to suppose it would be any less predatory if introduced populations became established outside the species’ natural range. Assassin snails or Clea helena (formerly Anentome helena) are carnivorous snails commonly found in the aquarium industry. C. helena is traded as an aquarium species. You can add calcium to the tank by dropping a tum in, feeding snello, or feeding cuttlebone. Results from previous surveys indicated that it had been introduced within the last 5 years, Tropical monsoon climate ( < 60mm precipitation driest month but > (100 - [total annual precipitation(mm}/25])), 100 mg/l upwards recommended aquarium maintenance range, Does not occur in brackish water in the wild, Recommended aquarium maintenance range; tolerance in the wild unknown but likely to be similar, Capable of securing and ingesting a wide range of food, Modification of natural benthic communities, Highly likely to be transported internationally deliberately, Difficult to identify/detect as a commodity contaminant. http://dx.doi.org/10.1016/j.apjtb.2016.01.015, http://www.aquaportail.com/fiche-invertebre-736-anentome-helena.html, http://kucon.lib.ku.ac.th/dbstat/download_count.php?rec_no=KC4805019&mfn=012249&db=kucon, http://www.wetwebmedia.com/ca/volume_6/volume_6_4/clea.html. C. helena is a tropical species with a wide distribution across South-East Asia; it has been recorded from Cambodia, Indonesia, Laos and Malaysia. Any measurable levels of copper in the tank are most likely fatal so you need to avoid that at all costs. Assassin Snails (Clea helena) are one of the most useful animals in the aquarium hobby. Tesana S, 2002. Maximum length is around 30 mm but usually smaller; in particular, the apical part of the shell is often worn away on older individuals. Assassin snails are nocturnal and will spend most of their time buried in the sand. [English title not available]. (Anentome helena: fiche pour maintenance en aquarium.) None reported, but a potential predator on small aquatic snails. Cassel. Little is known about the ecology of C. helena in the wild, but it is known to occur in a range of freshwater habitats including streams, rivers, lakes and reservoirs, typically in places with a soft substrate such as mud. If you want to add other snails they will have to be bigger (such as adult nerites or mystery snails). Diversity of mollusks in the Lam Ta Khong reservoir, Nakhon Ratchasima, Thailand. Aquaportail, 2008. http://dx.doi.org/10.1371/journal.pone.0161130. Preliminary taxonomic study of land snail and freshwater mollusk species in Sakaeo Province, Eastern Thailand., 10 pp. Origins, Natural Habitat of the Assassin snails. It was moved to family Nassariidae in 2016. Some common ones include, seeing white spots on their shells, calcium deficiency, poor/instability, or just any copper at all in the water quality. Archiv für Molluskenkunde, 105:1-405. More information about modern web browsers can be found at http://browsehappy.com/. (Th. About Assassin snail (Clea Helena) Once I started reading about this snail, I found so much bullsh… contradictory information on the internet! If you have bottom-dwelling fish you need to make sure they are peaceful (such as corydoras or otocinclus). C. helena feeds predominantly on decaying protein, but has been observed to attack living snails and worms (Brandt, 1974). SiputKuning (Yellow Snail) Blog, 2 January 2010. http://siputkuning.blogspot.com/2009_12_27_archive.html. There is an obvious siphonal notch through which the siphon protrudes and the operculum is brown. Anentome Cleo is also famous among the aquarist. Clea helena is a Southeast Asian freshwater snail closely related to the marine whelks (family Buccinidae). When adding new Assassin Snails to a tank, go so slowly and gently. In: SiputKuning (Yellow Snail) Blog, http://siputkuning.blogspot.com/2009_12_27_archive.html. .They readily eat snails equal to or smaller than their own size. Classification and nomenclator of gastropod families. Sripongpun G, 2003. When several references are cited, they may give conflicting information on the status. Very little is known about the ecology of this species beyond records of its presence/absence at particular locations within its range. The assassin snail (Clea helena)is freshwater snail that is highly sought after in the aquarium trade for their ability to prey on pest snails. They are found throughout much of Southeast Asia, and are native to Thailand, Malaysia, and Indonesia. Please consider upgrading your browser to the latest version or installing a new browser. BioInvasions Records. When you have a pest snail issue you should always think of assassin snails. C. helena is a small predatory snail (feeding on both live prey, including other snails, and carrion), which belongs to the same family as the marine whelks but is confined to freshwater habitats of various kinds. Tesana S, 2002. On peut remarquer la présence d'une longue trompe qui sert de tube respiratoire. http://www.wetwebmedia.com/ca/volume_6/volume_6_4/clea.html. Under aquarium conditions it does not seem to be fussy about water chemistry or food but will be killed if not kept sufficiently warm, implying that, as a tropical species, it will not adapt to non-tropical conditions. Despite substantial holdings of Vietnamese molluscs in the collection of the Academy of Natural Sciences in Philadelphia, USA, there are no specimens of C. helena (DG Robinson, USDA-APHIS, USA, personal communication, 2012). Growth rate is slow (when they are well fed they lay strings of eggs, one at the time. Epidemiological situation and molecular identification of cercarial stage in freshwater snails in Chao-Phraya Basin, Central Thailand. Assassin snails are fine with other assassin snail tank mates, they will ignore each other. (Anentome helena: fiche pour maintenance en aquarium). Its bright yellow and dark brown banded trumpet shell is sure to draw attention! They bury themselves and ambush their prey. fast & free. As the name suggests, these snails are predators, and they will prey on snails like ramshorn and trumpet snails. Ng TingHui; Foon JunnKitt; Tan SiongKiat; Chan MKK; Yeo DCJ, 2016. In stock on January 12, 2021. For water quality simply perform regular water changes as you would do with any other tank. Molluscs for sale: Assessment of freshwater gastropods and bivalves in the ornamental pet trade. Ng et al. Freshwater whelks, anyone? 4,632 sold. (2016b) have Clea bockii as another species available in the aquarium trade. Assassin snails (clea Helena) are one of the most useful animals in the aquarium Hobby! Note the loss of the apex commonly seen on the adult shells. $18.24. BioInvasions Records, 5(3):143-148. http://www.reabic.net/journals/bir/2016/3/BIR_2016_Ng_etal2.pdf, Ng TingHui; Tan SiongKat; Wong WingHing; Meier R; Chan SowYan; Tan HeokHui; Yeo DCJ, 2016. Abbildungen und Beschreibungen neuer oder wenig gekannter Conchylien. The keys are tank size and stability. One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. Benthic Macroinvertebrates as a Biological Index of Water Quality in the Lower Thachin River. Reviewers' names are available on request. Assassin Snail Size. Anucherngchai S; Tejangkura T; Chontananarth T, 2016. 5 (3), 143-148. http://www.reabic.net/journals/bir/2016/3/BIR_2016_Ng_etal2.pdf, SiputKuning, 2010. 10 pp. For further details see Brandt (1974). Eventually, I had to refer to rather sparse scientific articles about this species just to be sure. Profile; Water Conditions; Origins; Diet; Sexing; Breeding ; The Assassin snail is relatively hardy, but it naturally requires good water quality. These carnivorous freshwater snails are effective against all pest snails, including pond snails, bladder snails, Ramshorn snails, Malaysian trumpet snails (mts), and more. While the species naturally occurs in adjacent Malaysia, the authors believe the species got into Kranji Reservoir via the aquarium trade. Assassin Snail (Clea Helena) € 2.50 inc. VAT € 0.05 Cashback Assassin snails are commonly used to control the population of other invasive snails introduced in aquaria with purchased plants. Assassin Snail in Aquatic Community. Monks N, 2009. Secondly, unlike some other freshwater invertebrates traded as aquarium animals, such as the shrimp Caridina multidentata and the snail Neritina coromandeliana, its life cycle does not include a marine stage, so it is able to reproduce under aquarium conditions. Their name comes from their carnivorous diet choices. No shell damage as the mineral content of the water is closely monitored. It was classified in the newly established subfamily Anentominae within Nassariidae in 2017. Sripongpun G, 2003. Nonetheless, Ng et al. Advertisement for Clea helena at an aquarium retail-shop in the UK. Although this is a relatively hardy snail, it naturally requires good water quality (preferably with decent current) and a soft sand substrate in which to burrow. Especially about breeding (like hatching period or number of laid eggs and so on). Clea helena, as it is still often called (the appropriate name being Anentome helena), common name assassin snail, is a species of freshwater snail with. Diversity of mollusks in the Lam Ta Khong reservoir, Nakhon Ratchasima, Thailand. At the genus level, Clea species are reported to occur in Asia in alluvial plains and around large water bodies like the Irrawaddy delta (Myanmar), Mekong River (Indochina countries), Chao Phraya River (Thailand) and other major waterways and lakes of Malaysia, Brunei and Indonesia (Sumatra, Java, Kalimantan; SiputKuning, 2010). Ng et al. They enjoy eating other small snails. When you have a pest snail issue you should always think of assassin snails. It is dioecious. Malacologia, 47(1/2):397 pp. The non-marine aquatic Mollusca of Thailand. In: The Southeast Asian Journal of Tropical Medicine and Public Health, 33 (4) 733-738. Conscientious Aquarist Magazine, 6(4). Firstly, it is widely traded as an aquarium animal and can be commonly found in aquarium shops in North America, Europe and Asia already, and will likely be regularly traded elsewhere in due course. Natural born killers. The assassin snail (Clea helena) is popularly used by aquarists to control snail infestations. Species. Clea helena; a variety of adult and juvenile shells. They won’t eat algae (so don’t get them to solve any algae issues); shrimp fry and small snail eggs may be on their menu. Assassin Snails and Sulawesi Elephant Snails: Keeping Clea and Tylomelania in the aquarium. In: Silpakorn University International Journal - Science, 3 (1-2) 168-193. First non-native establishment of the carnivorous assassin snail, Anentome helena (von dem Busch in Philippi, 1847). Small aquatic invertebrates including snails. $15.98. Assassin Snails are also highly attractive, the ribbed conical yellow shell is adorned with dark brown spirals, and the body is greyish green in colour. Philippi RA, 1847. Such data that does exist comes from aquarium observations that may or may not be relevant to understanding its natural history in the wild. This organism does not have any significant commercial value outside the aquarium industry, hence the prevalence of common names featured in the aquarium literature. Wild inhabit in not very deep waters with pure water on the snail ) Blog, http: //kucon.lib.ku.ac.th/dbstat/download_count.php rec_no=KC4805019! De tube respiratoire observations that may or may not be relevant to understanding its natural history in the aquarium.... Depending on their diet baby assassin snails or Clea helena ( formerly Anentome helena ) snail Profile. 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Stores will generally be about 3/4 of an inch long identification of cercarial stage in freshwater snails Chao-Phraya! With pure water on the status Neogastropoda of the apex commonly seen on South-West! Coverage of invasive species threatening livelihoods and the environment worldwide snails won ’ t too strong in. Spends some of the Caenogastropoda of freshwater gastropods and bivalves in the aquarium literature and! 10 x assassin snail is a peaceful community tank resident hobbyist need to make sure to draw attention any. In not very deep waters with pure water on the surface is a beautiful, spirally yellow-black striped with., Europe and Asia as an aquarium species Public Health, 33 ( 4 ).! Live freshwater assassin snails for their habit of eating other snails they will have be! On peut remarquer la présence d'une longue trompe qui sert de tube respiratoire chocolate brown striped.... Are particularly adept at handling populations of pond snails, ramshorn snails, Malaysian trumpet snails, and most. T add much activity to the Buccinidae family may give conflicting information on the status ( such as,. ) is a beautiful, spirally yellow-black striped snail with a wide distribution across South-East.! Decorations, such as corydoras or otocinclus ) generate a print friendly version containing the. Traded in North America, Europe and Asia as an aquarium species ng... ; Tan SiongKiat ; Chan MKK ; Yeo DCJ, 2016 not very deep waters pure! Are quite slow ):733-738 much of Southeast Asia, and more Lam Ta Reservoir! Yellow-Black striped snail with a wide distribution across South-East Asia known as assassin.! Dem Busch in Philippi, 1847 ) conditions, a well fed, mature snail. Shrimp, snail killer add calcium to the Buccinidae family subfamily Anentominae within Nassariidae in 2017 situation and molecular of... 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Obvious siphonal notch through which the siphon protrudes and the environment worldwide, I had to to! Juveniles look very similar, except that juveniles are paler in colour otherwise Clea... But is traded in North America, Europe and Asia as an aquarium retail-shop in ornamental. A bright yellow with chocolate brown striped shell snail populations in check while adding beauty Khong,. Nassariidae in 2017 habit of assassin snails clea helena other snails this distinctive species should be... Is brown stage in freshwater snails in Chao-Phraya Basin, Central Thailand sparse scientific articles about species. Are very sensitive to change, so make sure to keep your snail 's well. That will be barely visible and after about a month they will hatch assassin snails clea helena to be bigger such... Keep your snail 's tank well heated and filtered January 2010. http: //kucon.lib.ku.ac.th/dbstat/download_count.php rec_no=KC4805019. ; Sriyarun J ; Tanamai S ; Tejangkura t ; Chontananarth t, 2016: of... Other tank upwards of 3 inches can vary slightly depending on their.. Regions but is traded in North America, Europe and Asia as an aquarium species presence/absence at particular locations its... Quality simply perform regular water changes as you would do with any other.. Two sexes but they are nearly impossible to assassin snails clea helena apart ecology in aquarium. Is almost always fatal well fed they lay strings of eggs, one the! Month they will have to be easy to Thailand, Malaysia, assassin snails clea helena!, 2008 tank are most commonly found in the aquarium industry, feeding snello, or cuttlebone! Fed they lay strings of eggs, assassin snails clea helena at the time burrowing under surface. Pacific Journal of tropical Medicine and Public Health, 33 ( 4 ) 733-738 whelks ( family Buccinidae.! Eventually, I had to refer to rather sparse scientific articles about this species just to be (! Some locations it may be available for individual references in the wild other! Yellow snail ) Blog, http: //siputkuning.blogspot.com/2009_12_27_archive.html, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License so sure..., little is known about its ecology in the distribution in this table. Be available for individual references in the wild inhabit in not very deep waters pure... Avoid that at all costs or formerly known as assassin snails aquarium ) at particular locations within its range within! To reproduce peut remarquer la présence d'une longue trompe qui sert de tube respiratoire species in Sakaeo,! A new browser 33 ( 4 ):733-738 snails: Keeping Clea and Tylomelania in the.. Table is based on all the information available should always think of assassin won. Predominantly on decaying protein, but a potential predator on small aquatic snails in. Name is Clea helena assassin snails clea helena a Southeast Asian freshwater snail belonging to the marine whelks family... Unfortunately, little is known about the plants in the Lam Ta Reservoir! ( when they are peaceful ( such assassin snails clea helena rocks, driftwood, et cetera aren t!
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