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Lerma River
The Lerma River () is Mexico's second longest river. It is a river in west-central Mexico that begins in Mexican Plateau at an altitude over above sea level, and ends where it empties into Lake Chapala, Mexico's largest lake, near Guadalajara, Jalisco. Lake Chapala is also the starting point of Río Grande de Santiago, which some treat as a continuation of the Lerma River. In combination, the two are often called the Lerma Santiago River (). The Lerma River is notorious for its pollution, but the water quality has demonstrated considerable improvement in recent years due mostly to government environmental programs and through a vast program of upgrading local sanitation infrastructure. Course The Lerma River originates from the Lerma lagoons near Almoloya del Río, on a plateau more than above sea level, and southeast from the city of Toluca. The lagoons receive their water from springs rising from basaltic volcanics that flow down from Monte de Las Cruces. These are locate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Almoloya Del Río
Almolya del Río is a town and municipality located in the State of Mexico 26 km from the state capital of Toluca. It is located 2,600 meters above sea level. The name Almoloya comes from the Nahuatl phrase ''almoloyán'' which means place where water flows out. "del Rio" means "of the river" in Spanish language, Spanish and refers to the Lerma River, which originates here. The town History While the area had been long inhabited by hunter-gatherers, the first sedentary farming communities appeared in this area around 5000 to 1000 BC. Almoloya was founded on the edges of the marshes of Lake Chicnahuapan. In the Pre-Classic period, agriculture intensified and tribal communities began to develop. By the High Classic period, villages with ceremonial centers had developed as well as the cultivation of corn, beans and vegetables on chinampas in Lake Chicnahuapan and the Chicnahuapan River, now known as the Lerma River. The village of Almoloya was founded between 650 and 850 AD ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Mateo Atenco
San Mateo Atenco is one of 125 municipalities in the State of México in Mexico. The municipal seat is the town of San Mateo Atenco. It lies west of the Federal District (Distrito Federal) near the municipality of Metepec, in the central part of the state of México, and is part of the Toluca urban area bordering the city to the east. The name Atenco is derived from the Nahuatl language. It means “In the water’s edge”, from ''atl''(water), ''tentli'' (edge) and ''co'' (in). The city Enormous mammoth fossils have been found near the Lerma River, where San Mateo Atenco is today. The first settlers used mammoth fossils as tools for hunting. This area has been the scene of the development of cultural groups that transited through the Toluca Valley for 20 thousand years. During the pre-Classic period (2000 B.C.), agricultural development created small settlements. During the Classic period (250-900 A.C.), the settlements had cultural relations with Teotihuacán. Atenco was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Notropis
''Notropis'' is a genus of freshwater Actinopterygii, ray-finned fish in the family (biology), family Leuciscidae, the shiners, daces and minnows. They are known commonly as eastern shiners. Système canadien d’information sur la biodiversité (SCIB) They are native to North America, and are one of the continent's most speciose genera.McAllister, C.T., Layher, W.G., Robison, H.W. & Buchanan, T.M. (2009) New Distribution Records for Three Species of ''Notropis'' (Cypriniformes: Cyprinidae) from Large Rivers of Arkansas. ''Journal of the Arkansas Academy of Science, 63: 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yuriria (fish)
''Yuriria'' is a genus of freshwater Actinopterygii, ray-finned fish belonging to the Family (biology), family Leuciscidae, the shiners, daces and minnows. The fish in this genus are endemism, endemic to the Lerma River, Lerma–Lake Chapala, Chapala–Grande de Santiago River, Grande de Santiago and Ameca River, Ameca basins in Mexico. Species ''Yuriria'' contains the following species: * ''Yuriria alta'' (David Starr Jordan, D. S. Jordan, 1880) (Jalisco chub) * ''Yuriria amatlana'' Omar Domínguez-Domínguez, Domínguez-Domínguez, Adrián Pompa-Domínguez, Pompa-Domínguez & Ignacio Doadrio Villarejo, Doadrio, 2007 * ''Yuriria chapalae'' (David Starr Jordan, D. S. Jordan & John Otterbein Snyder, Snyder, 1899) (Chapala chub) References * Endemic fish of Mexico Cyprinidae genera Yuriria (fish), Taxa named by David Starr Jordan Taxa named by Barton Warren Evermann {{Leuciscinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Algansea
''Algansea'' is a genus of ray-finned fish in the family Leuciscidae, distributed in the Lerma River, Lerma–Lake Chapala, Chapala–Grande de Santiago River, Grande de Santiago, Lake Pátzcuaro, Pátzcuaro, Armería River, Armería, Ameca River, Ameca, Ayutla River, Ayutla and Tuxpan River (Jalisco), Tuxpan basins in west-central Mexico (mostly Jalisco, but also surrounding states and the State of Mexico). The genus includes both species that are locally numerous, and species that are highly Threatened species, threatened. Their closest relative is the longfin dace (''Agosia chrysogaster''). ''Algansea'' are fairly small fish that typically are between in standard length, although ''A. lacustris'' and ''A. popoche'' can reach up to . The different species are generally quite similar in their appearance, being yellowish- or Olive (color), olive-brown overall; darker on the upperparts and paler, more silvery on the underparts. They have a long blackish line along the side of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poeciliopsis
''Poeciliopsis'' is a genus of poeciliid fishes that primarily are native to Mexico and Central America. The only exceptions are ''P. turrubarensis'' where the range extends into Colombia, and ''P. occidentalis'' where the range extends into Arizona and New Mexico. Species There are currently 24 recognized species in this genus: * '' Poeciliopsis baenschi'' ( M. K. Meyer, Radda, Riehl & Feichtinger, 1986) (Golden livebearer) * '' Poeciliopsis balsas'' ( C. L. Hubbs, 1926) (Balsas livebearer) * '' Poeciliopsis catemaco'' ( R. R. Miller, 1975) (Catemaco livebearer) * '' Poeciliopsis elongata'' ( Günther, 1866) (Elongate toothcarp) * '' Poeciliopsis fasciata'' ( Meek, 1904) (San Jeronimo livebearer) * '' Poeciliopsis gracilis'' ( Heckel, 1848) (Porthole livebearer) * '' Poeciliopsis hnilickai'' ( M. K. Meyer & Vogel, 1981) (Upper Grijalva livebearer) * '' Poeciliopsis infans'' ( Woolman, 1894) (Lerma livebearer) * '' Poeciliopsis latidens'' ( Garman, 1895) (Lowland livebearer) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chirostoma
''Chirostoma'' is a genus of Neotropical silversides from the Lerma River basin in Mexico, including lakes Chapala and Pátzcuaro. Fish in the genus collectively go by the common name charal/charales in their native range (a name also used for the related '' Poblana''). They are heavily fished, but several of the species have become threatened due to habitat loss (pollution, water extraction and drought), introduced species and overfishing. Three species are considered extinct: '' C. bartoni'' (disappeared 2006), '' C. charari'' (1957) and '' C. compressum'' (1900). Four others have not been recorded recently and may also be extinct. Appearance and behavior ''Chirostoma'' are generally silvery-white, pale gray-brown or dull yellowish in color, and have a long horizontal line on the side of the body (inconspicuous and more spotty in some species). They vary in size, ranging from species that are less than long to species that can surpass . Despite the differences, there is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemism
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can also be referred to as an ''endemism'' or, in scientific literature, as an ''endemite''. Similarly, many species found in the Western ghats of India are examples of endemism. Endemism is an important concept in conservation biology for measuring biodiversity in a particular place and evaluating the risk of extinction for species. Endemism is also of interest in evolutionary biology, because it provides clues about how changes in the environment cause species to undergo range shifts (potentially expanding their range into a larger area or b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cyprinid
Cyprinidae is a Family (biology), family of freshwater fish commonly called the carp or minnow family, including the carps, the true minnows, and their relatives the barb (fish), barbs and barbel (fish), barbels, among others. Cyprinidae is the largest and most diverse fish family, and the largest vertebrate, vertebrate animal family overall, with about 1,780 species divided into 166 valid genus, genera. Cyprinids range from about in size to the giant barb (''Catlocarpio siamensis''). By genus and species count, the family makes up more than two-thirds of the ostariophysian order Cypriniformes. The family name is derived from the Greek word ( 'carp'). Biology and ecology Cyprinids are stomachless, or ''agastric'', fish with toothless jaws. Even so, food can be effectively chewed by the gill rakers of the specialized last gill bow. These pharyngeal teeth allow the fish to make chewing motions against a chewing plate formed by a Process (anatomy), bony process of the skull. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poeciliid
Poeciliidae are a family of freshwater ray-finned fishes of the order Cyprinodontiformes, the tooth-carps, and include well-known live-bearing aquarium fish, such as the guppy, molly, platy, and swordtail. The original distribution of the family was the Southeastern United States to north of Río de la Plata, Argentina. Due to release of aquarium specimens and the widespread use of species of the genera '' Poecilia'' and '' Gambusia'' for mosquito control, though, introduced poeciliids can today be found in all tropical and subtropical areas of the world. In addition, ''Poecilia'' and ''Gambusia'' specimens have been identified in hot springs pools as far north as Banff, Alberta. Live-bearing All species in the Poecilidae are live-bearers. Differences are seen in the mode and degree of support the female gives the developing larvae. Many members of the family Poeciliidae are considered to be lecithotrophic (the mother provisions the oocyte with all the resources it needs pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neotropical Silverside
The neotropical silversides are a family, Atherinopsidae, of fishes in the order Atheriniformes. About 112 species in 13 genera are distributed throughout the tropical and temperate waters of the New World, including both marine and freshwater habitats. The familiar grunion Grunion are two fish species of the genus ''Leuresthes'': the California grunion, ''L. tenuis'', and the Gulf grunion, ''L. sardina''. They are sardine-sized teleost fishes of the New World silverside family Atherinopsidae, found only off th ...s and Atlantic silverside belong to this family. References * External links beryllina'' Photo and Information at MBL Aquaculture Atherinopsidae Taxa named by Henry Weed Fowler {{Atheriniformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Splitfin
Goodeidae is a family of teleost fish endemic to Mexico and some areas of the United States. Many species are known as splitfins. This family contains about 50 species within 18 genera. The family is named after ichthyologist George Brown Goode (1851–1896). The earliest fossil goodeid is '' Tapatia'', a goodeine from the middle Miocene of Mexico. The earliest fossil empetrichthyine is '' Empetrichthys erdisi'' from the Miocene or Pliocene of California. Distribution The family is divided into two subfamilies, the Goodeinae and the Empetrichthyinae. The Goodeinae are endemic to shallow freshwater habitats in Mexico, particularly along the Mesa Central area (especially the Lerma River basin, smaller rivers directly south of it and inland to around the Valley of Mexico region), with some species found in brackish fringes at the Pacific coast, and north to central Durango, central Sinaloa and north San Luis Potosí. There are about 45 species of Goodeinae in 16 genera (some l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
