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Ichthyomyini
Ichthyomyini is a tribe of New World rats and mice in the subfamily Sigmodontinae. The species within this tribe share the characteristics of all being carnivorous semiaquatic rodents. *'' Anotomys'' - aquatic rat *'' Chibchanomys'' *''Ichthyomys'' - crab-eating rats *''Neusticomys'' - fish-eating rats *''Rheomys ''Rheomys'' is a genus of Mexican and Central American semiaquatic rodents in the family Cricetidae. It contains the following species: * Mexican water mouse, ''Rheomys mexicanus'' * Goldman's water mouse, ''Rheomys raptor'' * Thomas's water mou ...'' {{Taxonbar, from=Q1420397 Mammal tribes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ichthyomyini
Ichthyomyini is a tribe of New World rats and mice in the subfamily Sigmodontinae. The species within this tribe share the characteristics of all being carnivorous semiaquatic rodents. *'' Anotomys'' - aquatic rat *'' Chibchanomys'' *''Ichthyomys'' - crab-eating rats *''Neusticomys'' - fish-eating rats *''Rheomys ''Rheomys'' is a genus of Mexican and Central American semiaquatic rodents in the family Cricetidae. It contains the following species: * Mexican water mouse, ''Rheomys mexicanus'' * Goldman's water mouse, ''Rheomys raptor'' * Thomas's water mou ...'' {{Taxonbar, from=Q1420397 Mammal tribes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anotomys
The aquatic rat, Ecuador fish-eating rat, fish-eating rat or Ecuadoran ichthyomyine (''Anotomys leander'') is a South American species of semiaquatic rodent in the family Cricetidae. It is the only species in the genus ''Anotomys''. This species is currently considered endangered. It is thought to be nocturnal and feeds on aquatic arthropods and insects. It is found in small ranges along the Andes. Taxonomy ''Anotomys leander'' is the only member of its genus, which belongs the tribe Ichthyomyini, subfamily Sigmodontinae and family Cricetidae. The ichthyomyines are semiaquatic carnivorous rodents that are found in South America from Mexico to Peru. Habitat ''A. leander'' has a very small range, the smallest range of the ichthyomyines. Very few specimens have been captured so the full extent of its habitat and range is not completely known; the range is estimated at . The species is found in northern Ecuador along the Andes mountains; however, it has also been found at a sin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New World Rats And Mice
The New World rats and mice are a group of related rodents found in North and South America. They are extremely diverse in appearance and ecology, ranging in from the tiny ''Baiomys'' to the large ''Kunsia''. They represent one of the few examples of muroid rodents (along with the voles) in North America, and the only example of muroid rodents to have made it into South America. The New World rats and mice are often considered part of a single subfamily, Sigmodontinae, but the recent trend among muroid taxonomists is to recognize three separate subfamilies. This strategy better represents the extreme diversity of species numbers and ecological types. Some molecular phylogenetic studies have suggested that the New World rats and mice are not a monophyletic group, but this is yet to be confirmed. Their closest relatives are clearly the hamsters and voles. The New World rats and mice are divided into 3 subfamilies, 12 tribes, and 84 genera. Classification *Family Cricetidae - ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sigmodontinae
The rodent subfamily Sigmodontinae includes New World rats and mice, with at least 376 species. Many authorities include the Neotominae and Tylomyinae as part of a larger definition of Sigmodontinae. When those genera are included, the species count numbers at least 508. Their distribution includes much of the New World, but the genera are predominantly South American, such as brucies. They invaded South America from Central America as part of the Great American Interchange near the end of the Miocene, about 5 million years ago. Sigmodontines proceeded to diversify explosively in the formerly isolated continent. They inhabit many of the same ecological niches that the Murinae occupy in the Old World. The "Thomasomyini" from the Atlantic Forest of Brazil are generally thought to be not especially related to the "real" Thomasomyini from the northern Andes and the Amazon rainforest. The genera ''Wiedomys'' and '' Sigmodon'' are generally placed in their own tribe, and the "phyll ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stolzmann's Crab-eating Rat
Stolzmann's crab-eating rat (''Ichthyomys stolzmanni'') is a species of rodent in the family Cricetidae. It is found in Ecuador and Peru. The species is believed to be nocturnal and semiaquatic In biology, semiaquatic can refer to various types of animals that spend part of their time in water, or plants that naturally grow partially submerged in water. Examples are given below. Semiaquatic animals Semi aquatic animals include: * Ve ..., and has been found at an elevation range of 900 to 1700 m. A survey in 2010 indicates that it is becoming a nuisance at local trout farms in the Peruvian puna. Etymology The specific name, ''stolzmanni'', is in honor of Polish zoologist Jean Stanislas Stolzmann.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. xiii + 296 pp. . (''Liolaemus stolzmanni'', p. 255). References Ichthyomys Mammals of Ecuador Mammals of Peru Mammals described in 1893 Taxa named by Oldfield Thomas Taxonomy a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleistocene
The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International Union of Geological Sciences, the cutoff of the Pleistocene and the preceding Pliocene was regarded as being 1.806 million years Before Present (BP). Publications from earlier years may use either definition of the period. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The name is a combination of Ancient Greek grc, label=none, πλεῖστος, pleīstos, most and grc, label=none, καινός, kainós (latinized as ), 'new'. At the end of the preceding Pliocene, the previously isolated North and South American continents were joined by the Isthmus of Panama, causing Great American Interchang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chibchanomys
''Chibchanomys'' is a genus of rodent in the family Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and has m ....* It contains the following species: * Las Cajas water mouse (''Chibchanomys orcesi'') * Chibchan water mouse (''Chibchanomys trichotis'') References Rodent genera Rodents of South America Taxonomy articles created by Polbot {{Sigmodontinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ichthyomys
''Ichthyomys'' is a genus of semiaquatic Neotropical rodents in the family Cricetidae. It contains the following species: * Crab-eating rat (''Ichthyomys hydrobates'') * Pittier's crab-eating rat (''I. pittieri'') * Stolzmann's crab-eating rat (''I. stolzmanni'') * Tweedy's crab-eating rat (''I. tweedii'') Members of the genus tend to be nocturnal and live along fast-flowing streams, where they feed on freshwater invertebrates such as crabs Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the .... References Rodent genera Taxa named by Oldfield Thomas Taxonomy articles created by Polbot {{Sigmodontinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neusticomys
''Neusticomys'' is a genus of semiaquatic, animalivorous South American rodents in the family Cricetidae. The term ''Neusticomys'' derives from the two ancient greek words (), meaning "able to swim", and (), meaning "mouse, rat". ''N. monticolous'' and ''N. vossi'' primarily inhabit montante regions of west Columbia and eastern Ecuador, with the former noted to occur in the Andean Cordillera and the Occidental mountain range at elevations of 1,800-3,750 meters. The rest inhabit tropical lowland forests primarily in the northern and eastern regions of the Amazon rainforest, whereas ''N. peruviensis'' is an endemic species to Peru. This genus contains the following seven species: * Ferreira's fish-eating rat (''Neusticomys ferreirai'') — Percequillo, Carmignotto & Silva, 2005 * Montane fish-eating rat (''N. monticolus'') — Anthony, 1921 * Musso's fish-eating rat (''N. mussoi'') — Ochoa G. & Soriano, 1991 * Oyapock's fish-eating rat (''N. oyapocki'') — (Dubost & Pette ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rheomys
''Rheomys'' is a genus of Mexican and Central American semiaquatic rodents in the family Cricetidae. It contains the following species: * Mexican water mouse, ''Rheomys mexicanus The Mexican water mouse, Mexican fishing mouse or Goodwin's water mouse (''Rheomys mexicanus''), is a species of semiaquatic rodent in the family Cricetidae. It has a restricted range in the state of Oaxaca in southern Mexico, Threatened by defo ...'' * Goldman's water mouse, '' Rheomys raptor'' * Thomas's water mouse, '' Rheomys thomasi'' * Underwood's water mouse, '' Rheomys underwoodi'' References Rodent genera Taxa named by Oldfield Thomas Taxonomy articles created by Polbot {{Sigmodontinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semiaquatic
In biology, semiaquatic can refer to various types of animals that spend part of their time in water, or plants that naturally grow partially submerged in water. Examples are given below. Semiaquatic animals Semiaquatic animals include: * Vertebrates ** Amphibious fish; also several types of normally fully aquatic fish such as the grunion and plainfin midshipman that spawn in the intertidal zone ** Some amphibians such as newts and salamanders, and some frogs such as fire-bellied toads and wood frogs. ** Some reptiles such as crocodilians, turtles, water snakes and marine iguanas. ** Penguins. ** Some rodents such as beavers, muskrats and capybaras. **Some insectivorous mammals such as desmans, water shrews and platypuses. ** Some carnivoran mammals, including seals, polar bears and otters. ** Hippopotamuses. * Semiterrestrial echinoderms of the intertidal zone, such as the "cliff-clinging" sea urchin ''Colobocentrotus atratus'' and the starfish '' Pisaster ochraceus'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
