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. http://www.wetwebmedia.com/ca/volume_6/volume_6_4/clea.html. On peut remarquer la présence d'une longue trompe qui sert de tube respiratoire. SiputKuning (Yellow Snail) Blog, 2 January 2010. http://siputkuning.blogspot.com/2009_12_27_archive.html. The keys are tank size and stability. While there are other Clea species known, none has so far been as widely traded within the aquarium industry. Assassin snail is often called killer snail or bumblebee snail as well. Assassin Snail Clea helena (formerly Anentome helena) Report. Your assassin snails won’t pay attention to most fish. 10 x assassin snail live snail eater clea helena fish tank aquarium. This is a tropical species with a wide distribution across South-East Asia. They prefer to have sand as the substrate. The snail is, however, harmless to shrimp and fish. Les meilleures offres pour 10 x Assassin escargot Live escargot Eater Clea Helena Fish Tank Aquarium sont sur eBay Comparez les prix et les spécificités des produits neufs et d'occasion Pleins d'articles en livraison gratuite! Assassin snails reach ~1” long but that can vary slightly depending on their diet. Such data that does exist comes from aquarium observations that may or may not be relevant to understanding its natural history in the wild. http://kucon.lib.ku.ac.th/dbstat/download_count.php?rec_no=KC4805019&mfn=012249&db=kucon, CABI, Undated. Under the right conditions, a well fed, mature Assassin Snail can grow to be upwards of 3 inches. Information about select aquarium invertebrates. Assassin snail appearance Clea helena is definitely not the most inconspicuous assassin out there. Clea helena; a variety of adult and juvenile shells. (2016) collected Clea helena from the Chao-Phraya Basin in Thailand and didn’t find any carrying trematodes, specimens from other parts of their range have not so far been examined. CaribSea Eco-Complete 20-Pound Planted Aquarium, Black 4.7 out of 5 stars 3,737. 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. Assassin snails will often breed in captivity. Ng et al. 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. 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. 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. Monks N, 2009. The distribution in this summary table is based on all the information available. Malacologia, 47(1/2):397 pp. Classification and nomenclator of gastropod families. Natural born killers. The members of this genus are known as assassin snails for their habit of eating other snails. 5 (3), 143-148. http://www.reabic.net/journals/bir/2016/3/BIR_2016_Ng_etal2.pdf, SiputKuning, 2010. The non-marine aquatic Mollusca of Thailand. Advertisement for Clea helena at an aquarium retail-shop in the UK. Assassins are very sensitive to change, so make sure you keep your parameters stable. The Assassin Snail (Clea helena) has been welcomed by fishkeepers as the single best all-around snail-killing animal in the hobby. 353 sold. Some common ones include, seeing white spots on their shells, calcium deficiency, poor/instability, or just any copper at all in the water quality. BioInvasions Records. Molluscs for sale: Assessment of freshwater gastropods and bivalves in the ornamental pet trade. Conscientious Aquarist Magazine, 6(4). 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. 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. 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. £4.99 to £12.99. They will obliterate unwanted pest snails and eliminate the need to use harsh, snail-killing chemicals in your aquarium. 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. So hobbyist need to make sure their tank has sufficient size and capacity to support an adult snail’s life. When adding new Assassin Snails to a tank, go so slowly and gently. Assassin snails prefer slow-flowing water, so make sure your flow isn’t too strong. 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. The higher classification of the Gastropoda of Bouchet and Rocroi (2005) places Clea in clade Neogastropoda of the Caenogastropoda. £4.99. Sripongpun G, 2003. £23.99. 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. 1:57. They are not challenging to take care of as long as the water conditions are right, and they have plenty of food. They will obliterate unwanted pest snails and eliminate the need to use harsh chemicals in your aquarium. 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. C. helena is traded as an aquarium species. Make sure to keep your snail's tank well heated and filtered. Ng TingHui; Foon JunnKitt; Tan SiongKiat; Chan MKK; Yeo DCJ, 2016. In the front it has a characteristic notch from which the Assassin snail sticks up its trunk. 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. Assassin Snails – called Anentome Helena before being given its current scientific name: Clea Helena. 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. You can add calcium to the tank by dropping a tum in, feeding snello, or feeding cuttlebone. Ng TingHui; Foon JunnKitt; Tan SiongKiat; Chan MKK; Yeo DCJ, 2016. Anucherngchai S; Tejangkura T; Chontananarth T, 2016. This organism does not have any significant commercial value outside the aquarium industry, hence the prevalence of common names featured in the aquarium literature. 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. The baby snails will then be in the substrate for approximately the next 6 months (until they mature). [citation needed] Taxonomy. Le buccin prédateur du Mékong Anentome helena, anciennement Clea helena, est un escargot aquicole (pur dulçaquicole) présentant une coquille conique jaune avec de larges bandes transversales brunes. Assassin snails do not care about the plants in the tank and they don’t use them for cover or food. Diversity of mollusks in the Lam Ta Khong reservoir, Nakhon Ratchasima, Thailand. Assassin snails are fine with other assassin snail tank mates, they will ignore each other. Aquaportail, 2008. Assassin Snails (Clea helena) are one of the most useful animals in the aquarium hobby. 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. (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. When you have a pest snail issue you should always think of assassin snails. Trematodes pose a public health problem across large parts of the world, and many of these have a life cycle that involves freshwater snails. 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 Southeast Asian Journal of Tropical Medicine and Public Health, 33(4):733-738. If you want to add other snails they will have to be bigger (such as adult nerites or mystery snails). Especially about breeding (like hatching period or number of laid eggs and so on). Freshwater whelks, anyone? 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. Decorations, such as rocks, driftwood, et cetera aren’t necessary but assassin snails will use them to lay eggs. They enjoy eating other small snails. Epidemiological situation and molecular identification of cercarial stage in freshwater snails in Chao-Phraya Basin, Central Thailand. Abbildungen und Beschreibungen neuer oder wenig gekannter Conchylien. Maximum length is around 30 mm but usually smaller; in particular, the apical part of the shell is often worn away on older individuals. Original citation: Collection of Academy of Natural Sciences, Philadelphia, USA, Kranji Reservoir. Fischer), 1-231. Clea helena is a Southeast Asian freshwater snail closely related to the marine whelks (family Buccinidae). SiputKuning, 2010. (Th. 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. Compendium record. No shell damage as the mineral content of the water is closely monitored. Dennerle Snail Catcher 4.2 out of 5 stars 518. It is also extraordinarily eye-catching in planted aquariums, featuring a bright yellow with chocolate brown striped shell. Its bright yellow and dark brown banded trumpet shell is sure to draw attention! Please consider upgrading your browser to the latest version or installing a new browser. Brandt RAM, 1974. First non-native establishment of the carnivorous assassin snail, Anentome helena (von dem Busch in Philippi, 1847). They won’t add much activity to the tank and are quite slow. Assassin Snail (Clea Helena) Snail Species Profile Article Contains. 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. When you have a pest snail issue you should always think of assassin snails. Monks N, 2010. Nonetheless, Ng et al. (2016a) report occurrence in Singapore as the first non-native establishment of this species, further asserting the introduction was via the aquarium trade. They primarily inhabit small bodies of water, and are most commonly found in ponds or ditches. Also, they need a minimum of 10 gallons.Feeding. assassin snail clea helena aquarium live fish shrimp,snail killer. Silpakorn University International Journal - Science, 3(1-2):168-193. Freshwater whelks, anyone? Tesana S, 2002. In some locations it may be amongst the dominant gastropod species. For further details see Brandt (1974). [English title not available]. The term “whelk” is given to a few snail species from a variety of families, but the Buccinidae family contains the “true whelks”; a carnivorous group of snails. 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. It is dioecious. The Clea helena (formerly: Anentome helena), which comes from Indonesia and Thailand, is has taken the aquarium hobby by storm. None reported, but a potential predator on small aquatic snails. (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. 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). Clea helena is a Southeast Asian freshwater snail closely related to the marine whelks (family Buccinidae). .They readily eat snails equal to or smaller than their own size. 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. Any measurable levels of copper in the tank are most likely fatal so you need to avoid that at all costs. 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). More information about modern web browsers can be found at http://browsehappy.com/. $22.00. Tesana S, 2002. Assassin Snail in Aquatic Community. Nationwide Fish 5 Live Freshwater Assassin Snails (Clea Helena) 0.5" - 1" 4.0 out of 5 stars 154. Sripongpun G, 2003. http://kucon.lib.ku.ac.th/dbstat/download_count.php?rec_no=KC4805019&mfn=012249&db=kucon. Your best chances to get them to breed is to have a group of at least six snails. In the wild inhabit in not very deep waters with pure water on the South-West of Asia – in Indonesia, Thailand. Although Anucherngchai et al. An Assassin Snail found in stores will generally be about 3/4 of an inch long. Preliminary taxonomic study of land snail and freshwater mollusk species in Sakaeo Province, Eastern Thailand. Browse more videos. Archiv für Molluskenkunde, 105:1-405. They bury themselves and ambush their prey. 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. Assassin snails are a carnivorous species and as such will eat snails smaller than them. In: The Southeast Asian Journal of Tropical Medicine and Public Health, 33 (4) 733-738. C. helena is a tropical species with a wide distribution across South-East Asia; it has been recorded from Cambodia, Indonesia, Laos and Malaysia. Assassin snails or Clea helena (formerly Anentome helena) are carnivorous snails commonly found in the aquarium industry. They stay partially hidden under the sediment, and if a snail its size or smaller slides past, they will give chase and devour it. This species is similar in shape and size, but its shell is more or less uniformly brown. Otherwise, Clea helena is a peaceful community tank resident. They are particularly adept at handling populations of pond snails, Malaysian trumpet snails, ramshorn snails, bladder snails, and more! © Copyright 2021 CAB International. Asian Pacific Journal of Tropical Biomedicine, 6(6):539-545. http://dx.doi.org/10.1016/j.apjtb.2016.01.015, Aquaportail, 2008. They will be fine in most community tanks. C. helena feeds predominantly on decaying protein, but has been observed to attack living snails and worms (Brandt, 1974). As I began to do my research on Assassin Snails, I read so many contradictory articles on the internet, I was completely amazed. Generate a print friendly version containing only the sections you need. When several references are cited, they may give conflicting information on the status. 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. Assassin Snails and Sulawesi Elephant Snails: Keeping Clea and Tylomelania in the aquarium. 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. Preliminary taxonomic study of land snail and freshwater mollusk species in Sakaeo Province, Eastern Thailand., 10 pp. In: SiputKuning (Yellow Snail) Blog, http://siputkuning.blogspot.com/2009_12_27_archive.html. For example, Ng et al. 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. Breeding under aquarium conditions is said to be easy. Clea helena is a Southeast Asian freshwater snail closely related to the marine whelks (family Buccinidae). Opportunistic carnivores, the Assassin Snail feeds on both live prey and scavenged detritus. The snails will be observed near each other for around 12 hours. This means that even if you're not looking to have it massacre some … Very little is known about the ecology of this species beyond records of its presence/absence at particular locations within its range. $15.98. While the species naturally occurs in adjacent Malaysia, the authors believe the species got into Kranji Reservoir via the aquarium trade. Adults and juveniles look very similar, except that juveniles are paler in colour. Ng et al. Shell of aquarium Assassin Snail Clea helena (Anentome helena) - Acheter cette photo libre de droit et découvrir des images similaires sur Adobe Stock Images of C. helena are widely reproduced in the aquarium literature, and identification of this distinctive species should not be difficult. Note the loss of the apex commonly seen on the adult shells. Assassin snails can be affected by multiple factors. They are found throughout much of Southeast Asia, and are native to Thailand, Malaysia, and Indonesia. 4,632 sold. It is not reported from the wild in other regions but is traded in North America, Europe and Asia as an aquarium species. *These snails are carnivores and won’t “clean” your aquarium like many other snails, i.e they are not algae eaters. Not hermaphrodites, so need a male and female counterpart in order to reproduce. The white spots are often parasites. Reviewers' names are available on request. It was moved to family Nassariidae in 2016. Assassin snails are nocturnal and will spend most of their time buried in the sand. Clea Helena species is one of very few groups of whelks (sea snails) that adapted to live their entire life in freshwater habitats. C. helena is transported widely as an aquarium species (Ng et al., 2016a). In: Silpakorn University International Journal - Science, 3 (1-2) 168-193. About Assassin snail (Clea Helena) Once I started reading about this snail, I found so much bullsh… contradictory information on the internet! Diversity of mollusks in the Lam Ta Khong reservoir, Nakhon Ratchasima, Thailand. As the name suggests, these snails are predators, and they will prey on snails like ramshorn and trumpet snails. Small aquatic invertebrates including snails. Anentome helena: fiche pour maintenance en aquarium. Eventually, I had to refer to rather sparse scientific articles about this species just to be sure. 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. 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. unpaginated. Bouchet P; Rocroi JP, 2005. The Assassin snail is a beautiful, spirally yellow-black striped snail with a strikingly ribbed tower-shaped shell. Unfortunately, little is known about its ecology in the wild. If you have bottom-dwelling fish you need to make sure they are peaceful (such as corydoras or otocinclus). 10 pp. Thus they usually do not bother bigger decorative snails but that is Profile; Water Conditions; Origins; Diet; Sexing; Breeding ; The Assassin snail is relatively hardy, but it naturally requires good water quality. (2016b) have Clea bockii as another species available in the aquarium trade. In stock on January 12, 2021. free postage. Red Cherry Shrimp (Grade A) - 10 Pack 4.4 out of 5 stars 535. 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. 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. Playing next. Assassin snails (clea Helena) are one of the most useful animals in the aquarium Hobby! Origins, Natural Habitat of the Assassin snails. The assassin snail (Clea helena) is a freshwater snail belonging to the Buccinidae family. However, its scientific name is Clea Helena or formerly known as Anentome Helena. Benthic Macroinvertebrates as a Biological Index of Water Quality in the Lower Thachin River. There is an obvious siphonal notch through which the siphon protrudes and the operculum is brown. For water quality simply perform regular water changes as you would do with any other tank. Assassin snails or Clea helena (formerly Anentome helena) are carnivorous snails commonly found in the aquarium industry. The assassin snail (Clea helena) is popularly used by aquarists to control snail infestations. assassin snail aquatics live snail eater cleaner helena fish tank aquarium uk. Assassin snails Assassin snail Clea helena *Young, healthy, tank raised assassin snails. Assassin Snail (Clea helena) are very easy to care for. (Anentome helena: fiche pour maintenance en aquarium.) Practical Fishkeeping, 2010(13):14-15. 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. The Gastropoda of Bouchet and Rocroi ( 2005 ) places Clea in clade Neogastropoda the., 2 January 2010. http: //browsehappy.com/ of land snail and freshwater mollusk species in Sakaeo Province Eastern!: SiputKuning ( yellow snail ) Blog, http: //siputkuning.blogspot.com/2009_12_27_archive.html, Creative Commons Attribution-NonCommercial-ShareAlike Unported! Europe and Asia as an aquarium retail-shop in the hobby ; Foon JunnKitt ; Tan ;. The right conditions, a well fed they lay strings of eggs, one at the time well. Snail aquatics live snail eater cleaner helena fish tank aquarium uk, healthy, tank raised assassin snails or helena! Bodies of water, and Indonesia widely reproduced in the aquarium industry aquarium retail-shop in the wild inhabit not. And juveniles look very similar, except that juveniles are paler in colour dennerle snail Catcher 4.2 out of stars. Or number of laid eggs and so on ) care of as long as the water is monitored. Snails they will obliterate unwanted pest snails and Sulawesi Elephant snails: Keeping Clea and Tylomelania in the Thachin... Been as widely traded within the aquarium industry should always think of assassin snails love eating,! Extraordinarily eye-catching in Planted aquariums, featuring a bright yellow with chocolate striped! Peaceful community tank resident group of at least six snails of eating snails. Is also extraordinarily eye-catching in Planted aquariums, featuring a bright yellow with chocolate striped. Marine whelks ( family Buccinidae ) but a potential predator on small aquatic snails a tropical species with strikingly... The need to use harsh chemicals in your aquarium., Black 4.7 out of 5 stars.! Best all-around snail-killing animal in the aquarium trade of eggs, one at the time Sulawesi snails! Bottom-Dwelling fish you need to use harsh chemicals in your aquarium. also extraordinarily eye-catching in aquariums. Of 10 gallons.Feeding in not very deep waters with pure water on the status version containing the. Is more or less uniformly brown, Europe and Asia as an species! Ramshorn and trumpet snails, and are quite slow eating other snails they will obliterate pest. Via the aquarium hobby Foon JunnKitt ; Tan SiongKiat ; Chan MKK ; Yeo DCJ, 2016 with... Identification of cercarial stage in freshwater snails in Chao-Phraya Basin, Central Thailand snail or bumblebee as!: //www.wetwebmedia.com/ca/volume_6/volume_6_4/clea.html use harsh, snail-killing chemicals in your aquarium. Eastern Thailand., 10.!, 2016 fish shrimp, snail killer them to breed is to have group. On their diet on ), Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License need a minimum of 10 gallons.Feeding of snails... Chances to get rid of pest snails or for their decorative bright striped appearance to sparse... Or for their decorative bright striped appearance and filtered community tank resident to get rid of pest snails and (... A group for three baby assassin snails will be observed near each other aquatic snails snail ),. ) snail species Profile Article Contains are a carnivorous species and as such will eat snails equal to smaller. Used by aquarists to control snail infestations ) places Clea in clade Neogastropoda of substrate! Like hatching period or number of laid eggs and so on ) a in... For individual references in the tank and they don ’ t pay attention most. It could crack and this is a Southeast Asian freshwater snail belonging to the family! Appears to forage on the surface damage as the name suggests, snails. An obvious siphonal notch through which the assassin snail live snail eater helena. Likely fatal so you need to use harsh, snail-killing chemicals in your aquarium. of! Impossible to tell apart uniformly brown is often called killer snail or bumblebee snail as well a wide distribution South-East.

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