|
The Family Ampullariidae (Pilidae)—commonly referred to as apple snails—are tropical and subtropical freshwater mollusks. The Ampullariidae includes several genera: Asolene, Felipponea, Marisa, and Pomacea are New World genera (native to South America, Central America, the West Indies and the Southern U.S.A.), while the genera Afropomus, Lanistes, and Saulea are found in Africa. The genus Pila is native to both Africa and Asia. Pomacea canaliculata siphon extended. ...
Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ...
Phyla Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Parazoa Porifera (sponges) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus) Chordata (vertebrates, etc. ...
Classes Caudofoveata Aplacophora Polyplacophora Monoplacophora Bivalvia Scaphopoda Gastropoda Cephalopoda †Rostroconchia †Helcionelloida The mollusks American spelling) or molluscs (British spelling) are the large and diverse phylum Mollusca, which includes a variety of familiar animals well-known for their decorative shells or as seafood. ...
Subclass Subclass Eogastropoda Patellogastropoda Subclass Orthogastropoda Superorder Cocculiniformia Superorder Hot Vent Taxa Neomphaolida Superorder Vetigastropoda Superorder Neritaemorphi Neritopsina Superorder Caenogastropoda Architaenioglossa Sorbeoconcha Superorder Heterobranchia Heterostropha Opisthobranchia Pulmonata The gastropods, or univalves, are the largest and most successful class of mollusks, with 60,000-75,000 species, and second largest class...
Pilidae, commonly known as apple snails are a tropical family of gastropods. ...
Pilidae, commonly known as apple snails are a tropical family of gastropods. ...
The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ...
Subtropical (or semitropical) areas are those adjacent to the tropics, usually roughly defined as the ranges 23. ...
For the village on the Isle of Wight, see Freshwater, Isle of Wight. ...
The name snail applies to most members of the molluscan class Gastropoda that have coiled shells. ...
In biology, a genus (plural genera) is a taxonomic grouping. ...
Carte dAmérique, Guillaume Delisle, c. ...
Adaptations
Apple snails are exceptionally well adapted to tropical regions characterized by periods of drought alternating with periods of high rainfall. This adaptation is reflected in their life style: moderately amphibious and being equipped with a shell "door" enabling the snail to close itself off in the shell to prevent drying out while hiding in the mud during dry periods. The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the northern hemisphere and the Tropic of Capricorn in the southern hemisphere. ...
Various seashells The hard, rigid outer covering of certain animals is called a shell. ...
 Pomacea canaliculata eggs. One of the more typical adaptations of apple snails is the branchial respiration system comparable with the gills of a fish (at the right side of the snail body) to breathe under water as well as a lung (at the left side of the body) to respirate air. This lung/gill combination expands the action radius of the snail in search for food. It's part of their natural behaviour to leave the water when the food supply below the surface is inadequate. Several apple snail genera (Pomacea, Pila and Asolene/Pomella) deposit eggs above the waterline in calcareous clutches. This remarkable strategy of aquatic snails protects the eggs against predation by fish and other aquatic inhabitants. Another anti-predator adaptation in the apple snail genera Pomacea and Pila, is the tubular siphon, used to breathe air while submerged, reducing vulnerability to attacking birds. Apple snails inhabit various ecosystems: ponds, swamps and rivers. Although they occasionally leave the water, they mainly spend time in the water. Unlike many snail species, apple snails are not hermaphroditic, but gonochoristic: a male and a female are needed for reproduction. Pomacea canaliculata eggs on hand. ...
Pomacea canaliculata eggs on hand. ...
Respiration is the process by which an organism obtains energy by reacting oxygen with glucose to give water, carbon dioxide and ATP (energy). ...
gills of a Smooth Newt Gills inside of a tuna head In aquatic organisms, gills are a respiratory organ for the extraction of oxygen from water and for the excretion of carbon dioxide. ...
The lungs flank the heart and great vessels in the chest cavity. ...
In most birds and reptiles, an apple (Latin ovum) is the zygote, resulting from fertilization of the ovum. ...
A hawk consuming its prey, a small rodent. ...
siphon principle A siphon (also spelled syphon) is a continuous tube that allows liquid to drain from a reservoir through an intermediate point that is higher than the reservoir, the up-slope flow being driven only by hydrostatic pressure without any need for pumping. ...
An ecosystem, a contraction of ecological and system, refers to the collection of components and processes that comprise, and govern the behavior of, some defined subset of the biosphere. ...
The 1st-century BC sculpture The Reclining Hermaphrodite, in the Museo Nazionale Romano, Palazzo Massimo Alle Terme in Rome In zoology and botany, a hermaphrodite aka Sean Daly is an organism that possesses both male and female sex organs during its life[1]. In many species, hermaphroditism is a common...
In biology, gonochorism (greek seed + disperse) describes a sexually reproducing species in which individuals are distinctly male or female. ...
For other uses, see Reproduction (disambiguation) Reproduction is the biological process by which new individual organisms are produced. ...
Common aquarium pet
 Purple yellow variant of Pomacea bridgesii Apple snails are popular aquarium-pets because of their attractive appearance and size. When properly cared for, some apple snail species can reach 15 cm / 6 inch diameter. Apple snails are in fact the biggest living freshwater snails on earth. The most common apple snail in aquarium shops is Pomacea bridgesii (spike-topped apple snail). This species comes in different colours from brown to albino or yellow and even blue, with or without banding. Another common apple snail is Pomacea canaliculata; this snail is bigger, rounder and is more likely to eat aquatic plants, which makes it less suitable for most aquaria. This species also come in different shell and body colours. The Giant ramshorn snail, Marisa cornuarietis, although not always recognized as an apple snail due to its discoidal shape, also ranks the popular aquatic pets. Occasionally, the Florida apple snail (Pomacea paludosa) is found in the aquarium trade and are often wild collected from ditches and ponds in Florida. The giant Pomacea maculata, rarely finds its way into aquaria. Apple snails are often sold under the name Golden mystery snail and they are given incorrect names like Ampullarius for the genus instead of Pomacea and wrong species names like gigas instead of maculata. Purple yellow variant of Pomacea bridgesii File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...
Purple yellow variant of Pomacea bridgesii File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...
For other uses, see Aquarium (disambiguation). ...
A pest
 Wild coloured version Pomacea canaliculata In the 1980s, the genus Pomacea (Pomacea canaliculata) was introduced in Taiwan to start an escargot industry (Halwart 1994). Such food culture could provide valuable proteins for farmers, who primarily live on a rice diet. However, the snails didn't become a culinary success. The imported snails are able to transfer Angiostrongylus cantonensis (like the native apple snail population, Pila), a parasite that infects humans when the snails aren't cooked thoroughly. Instead of becoming a food source they escaped, and became a serious threat to rice production and the environment. During the 1980s the introduced snails rapidly spread to Indonesia, Thailand, Cambodia (Jahn et al. 1998), Hong Kong, southern China, Japan and the Philippines and there are indications that they are currently invading Australia. Hawai'i experienced the same introduction of Pomacea for culinary purposes, and its taro industry is now suffering because of it. Nevertheless, apple snails are considered a delicacy in several regions and they are often sold in East and Pacific Asian markets for consumption. Pomacea canaliculata shell File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...
Pomacea canaliculata shell File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ...
A representation of the 3D structure of myoglobin, showing coloured alpha helices. ...
This article or section does not cite its references or sources. ...
Binomial name Colocasia esculenta (L.) Schott Taro corms for sale Taro (from Tahitian), more rarely kalo (from Hawaiian), is a tropical plant grown primarily as a vegetable food for its edible corm, and secondarily as a leaf vegetable. ...
Bio-control Pomacea and Marisa species have been introduced to Africa and Asia to control snails (Planorbidae: Bulinus sp. and Biophalaria sp.) that serve as an intermediate host for trematoda parasites. These parasites can cause swimmers itch and schistosomiasis, a disease that affects over 200 million people in tropical regions. One of the species introduced as bio-agent is Marisa cornuarietis. This snail competes with other snails and predates on other species. Hopefully Marisa will not develop into a pest as have Pomacea species in Asia. Subclasses Aspidogastrea Digenea The Trematoda is a class within the phylum Platyhelminthes, which contains two groups of parasitic worms. ...
A parasite is an organism that spends a significant portion of its life in or on the living tissue of a host organism and which causes harm to the host without immediately killing it. ...
Bilharzia Schistosomiasis or bilharzia is a disease affecting many people in developing countries. ...
References - Halwart, M. 1994. The golden apple snail Pomacea canaliculata in Asian rice farming systems: present impact and future threat. International journal of pest management (Int. j. pest manag.) ISSN 0967-0874. vol. 40, no2, pp. 199-206 (1 p.1/4)
- Jahn, G. C., S. Pheng, B. Khiev, and C. Pol 1998. Pest potential of the golden apple snail in Cambodia. Cambodian Journal of Agriculture 1:34-35.
External links Wikinews has news related to: South American channeled apple snail discovered in Georgia |
Feeds |
Contact