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Allotoca Diazi
''Allotoca'' is a genus of splitfins that are endemic to west-central and southwest Mexico, where restricted to the Lerna– Chapala– Grande de Santiago, Ameca and Balsas river basins, as well as various endorheic lake basins in Michoacán and Jalisco (Pátzcuaro, Zirahuén, Cuitzeo, Magdalena and others). All ''Allotoca'' species are seriously threatened. The largest ''Allotoca'' is up to long, but most species only reach between half and three-quarter that size. Unusually, ''A. catarinae'' is probably the result of an ancient translocation by humans in the pre-Columbian era (similar ancient human-assisted translocations are known from certain birds in Mexico). The translocation happened at least 700 years ago and most likely about 1900 years ago. The ancestral species then evolved into ''A. catarinae'' at its new isolated location in the Cupatitzio River, a tributary of the Balsas River. Species FishBase recognizes eight species in this genus, but their taxonomy is com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Leavitt Hubbs
Carl Leavitt Hubbs (October 19, 1894 – June 30, 1979) was an American ichthyologist. Biography Youth He was born in Williams, Arizona. He was the son of Charles Leavitt and Elizabeth (née Goss) Hubbs. His father had a wide variety of jobs (farmer, iron mine owner, newspaper owner). The family moved several times before settling in San Diego where he got his first taste of natural history. After his parents divorced in 1907, he lived with his mother, who opened a private school in Redondo Beach, California. His maternal grandmother Jane Goble Goss, one of the first female doctors, showed Hubbs how to harvest shellfish and other sea creatures. One of his teachers, impressed by Hubbs's abilities in science, recommended that he study chemistry at the University of Berkeley. The family moved once more to Los Angeles. In Los Angeles, George Bliss Culver, one of the many volunteers of David Starr Jordan, encouraged Hubbs to abandon his study of birds and instead to study fish ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Threatened Species
Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of '' critical depensation'', a mathematical measure of biomass related to population growth rate. This quantitative metric is one method of evaluating the degree of endangerment. IUCN definition The International Union for Conservation of Nature (IUCN) is the foremost authority on threatened species, and treats threatened species not as a single category, but as a group of three categories, depending on the degree to which they are threatened: *Vulnerable species * Endangered species * Critically endangered species Less-than-threatened categories are near threatened, least concern, and the no longer assigned category of conservation dependent. Species which have not been evaluated (NE), or do not have sufficient data ( data deficient) also are not consid ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allotoca Goslinei
''Allotoca goslinei'', commonly known as the banded allotoca or ''tiro rayado'' in Spanish, is a species of fish endemic Endemism is the state of a species being found 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 else ... to the Mexican state of Jalisco. Its specific name honors American ichthyologist William A. Gosline for his research on cyprinodontoid fish. References {{Taxonbar, from=Q5491746 Cyprinodontiformes Fish described in 1987 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tarleton Hoffman Bean
Tarleton Hoffman Bean (October 8, 1846 – December 28, 1916) was an American ichthyologist. Biography and education Tarleton Hoffman Bean was born to George Bean and Mary Smith Bean in Bainbridge, Pennsylvania, on October 8, 1846. He attended State Normal School at nearby Millersport, Pennsylvania, graduating in 1866. He received an M.D. degree from Columbian University, now George Washington University, Washington, DC, 1876. In 1883, he was awarded an M.S. degree from the Indiana University on the basis of his professional accomplishments, although he did not attend classes there. He married Laurette H. van Hook, daughter of John Welsh VanHook, a local Washington businessman, in 1878 in Washington, DC. They had one daughter, Caroline van Hook Bean (born in Washington on November 16, 1879), a noted artist who later married Bernardus Blommers, Jr. His brother, Barton Appler Bean, also became an ichthyologist and worked under him at the National Museum. Bean died in Albany, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allotoca Dugesii
''Allotoca'' is a genus of splitfins that are endemic to west-central and southwest Mexico, where restricted to the Lerna– Chapala– Grande de Santiago, Ameca and Balsas river basins, as well as various endorheic lake basins in Michoacán and Jalisco (Pátzcuaro, Zirahuén, Cuitzeo, Magdalena and others). All ''Allotoca'' species are seriously threatened. The largest ''Allotoca'' is up to long, but most species only reach between half and three-quarter that size. Unusually, ''A. catarinae'' is probably the result of an ancient translocation by humans in the pre-Columbian era (similar ancient human-assisted translocations are known from certain birds in Mexico). The translocation happened at least 700 years ago and most likely about 1900 years ago. The ancestral species then evolved into ''A. catarinae'' at its new isolated location in the Cupatitzio River, a tributary of the Balsas River. Species FishBase recognizes eight species in this genus, but their taxonomy is com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seth Eugene Meek
Seth Eugene Meek (April 1, 1859, Hicksville, Ohio – July 6, 1914, Chicago) was an American ichthyologist at the Field Museum of Natural History in Chicago. He was the first compiler of a book on Mexican freshwater fishes. Together with his assistant, Samuel F. Hildebrand, he produced the first book on the freshwater fishes of Panama. He often collaborated with Charles H. Gilbert, and in 1884 on a collecting trip through the Ozarks, they discovered a new species, '' Etheostoma nianguae'', which only lives in the Osage River basin. Also with them on that excursion was David Starr Jordan, considered the father of modern ichthyology. After the Ozarks trip, Meek accepted the post of professor of biology and geology at Arkansas Industrial University (now the University of Arkansas). Tribute The American halfbeak was named in his honor ''Hyporhamphus meeki''. As is the Mezquital pupfish The Mezquital pupfish (''Cyprinodon meeki'') is a species of pupfish in the family Cyprinod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allotoca Diazi
''Allotoca'' is a genus of splitfins that are endemic to west-central and southwest Mexico, where restricted to the Lerna– Chapala– Grande de Santiago, Ameca and Balsas river basins, as well as various endorheic lake basins in Michoacán and Jalisco (Pátzcuaro, Zirahuén, Cuitzeo, Magdalena and others). All ''Allotoca'' species are seriously threatened. The largest ''Allotoca'' is up to long, but most species only reach between half and three-quarter that size. Unusually, ''A. catarinae'' is probably the result of an ancient translocation by humans in the pre-Columbian era (similar ancient human-assisted translocations are known from certain birds in Mexico). The translocation happened at least 700 years ago and most likely about 1900 years ago. The ancestral species then evolved into ''A. catarinae'' at its new isolated location in the Cupatitzio River, a tributary of the Balsas River. Species FishBase recognizes eight species in this genus, but their taxonomy is com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Don Fernando De Buen Y Lozano
Fernando de Buen y Lozano (10 October 1895 – 6 May 1962) was a Spanish ichthyologist and oceanographer. He lived in Mexico, Uruguay, and Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the eas .... In Uruguay, he was the director of the Department of Science at the Oceanography and Fisheries Service as well as Professor of Hydrobiology and Protozoology in the Faculty of Arts and Sciences. He was an honorary foreign member of the American Society of Ichthyologists and Herpetologists. See also * :Taxa named by Fernando de Buen y Lozano References * External links * 1895 births 1962 deaths Spanish ichthyologists 20th-century Spanish zoologists Exiles of the Spanish Civil War in Mexico Exiles of the Spanish Civil War in Uruguay Exiles of the Spanish Civil War in Chile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allotoca Catarinae
''Allotoca'' is a genus of splitfins that are endemic to west-central and southwest Mexico, where restricted to the Lerna– Chapala– Grande de Santiago, Ameca and Balsas river basins, as well as various endorheic lake basins in Michoacán and Jalisco (Pátzcuaro, Zirahuén, Cuitzeo, Magdalena and others). All ''Allotoca'' species are seriously threatened. The largest ''Allotoca'' is up to long, but most species only reach between half and three-quarter that size. Unusually, ''A. catarinae'' is probably the result of an ancient translocation by humans in the pre-Columbian era (similar ancient human-assisted translocations are known from certain birds in Mexico). The translocation happened at least 700 years ago and most likely about 1900 years ago. The ancestral species then evolved into ''A. catarinae'' at its new isolated location in the Cupatitzio River, a tributary of the Balsas River. Species FishBase recognizes eight species in this genus, but their taxonomy is com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxonomy (biology)
In biology, taxonomy () is the scientific study of naming, defining ( circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are given a taxonomic rank; groups of a given rank can be aggregated to form a more inclusive group of higher rank, thus creating a taxonomic hierarchy. The principal ranks in modern use are domain, kingdom, phylum (''division'' is sometimes used in botany in place of ''phylum''), class, order, family, genus, and species. The Swedish botanist Carl Linnaeus is regarded as the founder of the current system of taxonomy, as he developed a ranked system known as Linnaean taxonomy for categorizing organisms and binomial nomenclature for naming organisms. With advances in the theory, data and analytical technology of biological systematics, the Linnaean system has transformed into a system of modern biological classification intended to reflect the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FishBase
FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.Marine Fellow: Rainer Froese ''Pew Environment Group''. Over time it has "evolved into a dynamic and versatile ecological tool" that is widely cited in scholarly publications. FishBase provides comprehensive species data, including information on taxonomy, geographical distribution, and morphology, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cupatitzio River
The Cupatitzio River is a river of Michoacán state in Southwestern Mexico. Course Its main headwaters are in Barranca del Cupatitzio National Park, in Uruapan, Michoacán. Near its source are two waterfalls, the larger ''Tzararacua'' and the smaller ''Tzararacuita'' (little Tzararacua). After flowing some distance in the highlands ("Altiplano") of western-central Michoacan state, the river takes a course mainly towards the south. It drains into the Balsas River which, in turn, empties into the Pacific Ocean. See also *List of rivers of Mexico This is a list of rivers of Mexico, listed from north to south. There are 246 rivers on this list. Alternate names for rivers are given in parentheses. Rivers flowing into the Gulf of Mexico * Río Bravo, the name of the Rio Grande in Mexico ** S ... ReferencesUtexas.edu: Atlas of Mexico — Map of the rivers and river basins of Mexico(1975). *The Prentice Hall American World Atlas, 1984. *Rand McNally, The New International Atlas, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
