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Laciris
''Laciris pelagica'' is a species of poeciliid found in the Democratic Republic of the Congo and Uganda. It is endemic to Lake Edward where it is found near the surface in open water. This species grows to a total length of . It was formerly included in '' Micropanchax'', but recently, authorities have moved it to the monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ... genus ''Laciris''. References Poeciliidae Lake Edward Taxonomy articles created by Polbot Monotypic fish genera {{Poeciliidae-stub ...
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Micropanchax
''Micropanchax'' is a genus of poeciliids native to Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac .... Species The 13 recognized species in this genus are: * '' Micropanchax antinorii'' (Vinciguerra, 1883) (black lampeye) * '' Micropanchax bracheti'' ( Berkenkamp, 1983) * '' Micropanchax camerunensis'' ( Radda, 1971) (Cameroon lampeye) * '' Micropanchax ehrichi'' ( Berkenkamp & Etzel, 1994) * '' Micropanchax fuelleborni'' (Ahl, 1924) (Lake Rukwa lampeye) * '' Micropanchax hutereaui'' (Boulenger, 1913) (mesh-scaled topminnow) * '' Micropanchax johnstoni'' (Günther, 1894) (Johnston's topminnow) * '' Micropanchax keilhacki'' ( C. G. E. Ahl, 1928) * '' Micropanchax kingii'' (Boulenger, 1913) * '' Micropanchax loati'' ( Boulenger, 1901) (Nile killifish) * '' Micropanchax pfaf ...
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Jean-Henri Huber
Jean-Henri is a French masculine given name. Notable people with the name include: * Jean-Henri d'Anglebert (1629–1691), French composer and harpsichordist * Jean-Henri Dunant (1828–1910), Henry Dunant, a Swiss businessman * Jean Henri Fabre (1823–1915), French entomologist and author * Jean-Henri Gourgaud (1746–1809), French actor under the stage name Dugazon * Jean-Henri Hottinguer (1803–1866), the first-born son of Baron Jean-Conrad, thus making him his successor * Jean-Henri Izamo (died 1966), the head of the gendarmerie of the Central African Republic * Jean-Henri Merle d'Aubigné (1794–1872), Swiss Protestant minister and historian of the Reformation * Jean-Henri Pape (1787–1875), French piano maker * Jean-Henri Ravina (1818–1906), French virtuoso pianist, composer and teacher * Jean Henri Riesener (1734–1806), French royal ébéniste * Jean-Henri Voulland (1751–1801), politician of the French Revolution See also

* Jean Gery (before 1638–1690?) (also ...
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Edgar Barton Worthington
Edgar Barton Worthington (13 January 190514 October 2001) was a British ecologist and science administrator. Biography His parents were Edgar and Amy Worthington. His early education was at Rugby School, before he went up to gain a First in Zoology at Gonville and Cauis College at Cambridge. After university, his work alternated between Britain and Africa. He took part in an African lakes expedition in 192731; and in an African research expedition 193437, for which he was awarded the Mungo Park Medal of the Royal Scottish Geographical Society. He was secretary to and first full-time director of the Freshwater Biological Association 193746. He returned to Africa in the late 1940s as science and development advisor. He was deputy scientific director for the Nature Conservancy 195765, and scientific director of the International Biological Programme (IBP) 196474. His interests included water biology and international nature conservation, including the environmental impacts of dra ...
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Basionym
In the scientific name of organisms, basionym or basyonym means the original name on which a new name is based; the author citation of the new name should include the authors of the basionym in parentheses. The term "basionym" is used in both botany and zoology. In zoology, alternate terms such as original combination or protonym are sometimes used instead. Bacteriology uses a similar term, basonym, spelled without an ''i''. Although "basionym" and "protonym" are often used interchangeably, they have slightly different technical definitions. A basionym is the ''correct'' spelling of the original name (according to the applicable nomenclature rules), while a protonym is the ''original'' spelling of the original name. These are typically the same, but in rare cases may differ. When creating new taxonomic names, there are specific rules about how basionyms can be used. A new combination or name at new rank must be based directly on the original basionym rather than on any intermediate ...
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Lapsus
In philology, a lapsus (Latin for "lapse, slip, error") is an involuntary mistake made while writing or speaking. Investigations In 1895 an investigation into verbal slips was undertaken by a philologist and a psychologist, Rudolf Meringer and Karl Mayer, who collected many examples and divided them into separate types. Psychoanalysis Freud was to become interested in such mistakes from 1897 onwards, developing an interpretation of slips in terms of their unconscious meaning. Subsequently, followers of his like Ernest Jones developed the theme of lapsus in connection with writing, typing, and misprints. According to Freud's early psychoanalytic theory, a lapsus represents a bungled act that hides an unconscious desire: “the phenomena can be traced back to incompletely suppressed psychical material...pushed away by consciousness”. Jacques Lacan would thoroughly endorse the Freudian interpretation of unconscious motivation in the slip, arguing that “in the ''lapsus'' it ...
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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 ...
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Democratic Republic Of The Congo
The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is the List of African countries by area, second-largest country in Africa and the List of countries and dependencies by area, 11th-largest in the world. With a population of around 112 million, the DR Congo is the most populous nominally List of countries and territories where French is an official language, Francophone country in the world. Belgian French, French is the official and most widely spoken language, though there are Languages of the Democratic Republic of the Congo, over 200 indigenous languages. The national capital and largest city is Kinshasa, which is also the economic center. The country is bordered by the Republic of the Congo, the Cabinda Province, Cabinda exclave of Angola, and the South Atlantic Ocean to the west; the Cen ...
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Uganda
Uganda, officially the Republic of Uganda, is a landlocked country in East Africa. It is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania. The southern part includes a substantial portion of Lake Victoria, shared with Kenya and Tanzania. Uganda is in the African Great Lakes region, lies within the Nile basin, and has a varied equatorial climate. , it has a population of 49.3 million, of whom 8.5 million live in the capital and largest city, Kampala. Uganda is named after the Buganda, Buganda kingdom, which encompasses a large portion of the south, including Kampala, and whose language Luganda is widely spoken; the official language is English. The region was populated by various ethnic groups, before Bantu and Nilotic groups arrived around 3,000 years ago. These groups established influential kingdoms such as the Empire of Kitara. The arrival of Arab trade ...
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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 ...
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Lake Edward
Lake Edward (locally Rwitanzigye or Rweru) is one of the smaller African Great Lakes. It is located in the Albertine Rift, the western branch of the East African Rift, on the border between the Democratic Republic of the Congo (DRC) and Uganda, with its northern shore a few kilometres south of the equator. History Welsh explorer Henry Morton Stanley first saw the lake in 1888, during the Emin Pasha Relief Expedition. The lake was named in honour of Edward VII of the United Kingdom, Albert Edward, Prince of Wales, son of then British monarch Queen Victoria, and later to become King Edward VII. In 1973, Uganda and Zaire (DRC) renamed it Lake Idi Amin after Ugandan dictator Idi Amin. After his overthrow in 1979, it recovered its former name. In 2014, the lake was the center of an oil dispute. SOCO International entered the premises of the Virunga National Park where the lake is situated to prospect for oil. However, villagers and workers who attempted to stop the oil company from ...
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Fish Measurement
Fish measurement is the measuring of individual fish and various parts of their anatomies, for data used in many areas of ichthyology, including taxonomy and fishery biology. Overall length Standard length (SL) is the length of a fish measured from the tip of the snout to the posterior end of the last vertebra or to the posterior end of the midlateral portion of the hypural plate. This measurement excludes the length of the caudal (tail) fin. Total length (TL) is the length of a fish measured from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body. Standard length measurements are used with Teleostei (most bony fish), while total length measurements are used with Myxini (hagfish), Petromyzontiformes ( lampreys) and usually Elasmobranchii (shark Sharks are a group of elasmobranch cartilaginous fish characterized by ...
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Monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes preferred. In botanical nomenclature, a monotypic genus is a genus in the special case where a genus and a single species are simultaneously described. Theoretical implications Monotypic taxa present several important theoretical challenges in biological classification. One key issue is known as "Gregg's Paradox": if a single species is the only member of multiple hierarchical levels (for example, being the only species in its genus, which is the only genus in its family), then each level needs a distinct definition to maintain logical structure. Otherwise, the different taxonomic ranks become effectively identical, which creates problems for organizing biological diversity in a hierarchical syste ...
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