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Oreochromine
Oreochromini is a tribe of cichlids in the Pseudocrenilabrinae subfamily that is native to Africa and Western Asia, but a few species have been widely introduced to other parts of the world. It was formerly considered to be part of the tribe Tilapini but more recent workers have found that the Tilapini ''sensu lato'' is paraphyletic. Despite this change, species in Oreochromini are still referred to by the common name tilapia and some of the most important tilapia in aquaculture —certain species of ''Oreochromis'' and ''Sarotherodon''— are part of this tribe. In contrast, several species have small ranges and are seriously threatened; a few are already extinct (''Tristramella sacra'') or possibly extinct (''Oreochromis ismailiaensis'' and '' O. lidole''). Cichlids in the tribe ''Oreochromini'' are mouthbrooders, carrying the eggs and fry in their mouths instead of placing them in a nest. The numerous ''Oreochromis'' species are maternal mouthbrooders, meaning only the female ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oreochromis Niloticus
The Nile tilapia (''Oreochromis niloticus'') is a species of tilapia, a cichlid fish native to the northern half of Africa and the Levante area, including Land of Israel, Israel, and Lebanon. Numerous Introduced species, introduced populations exist outside its natural range. It is also commercially known as mango fish, nilotica, or boulti. The first name leads to easy confusion with another tilapia which is traded commercially, the mango tilapia (''Sarotherodon galilaeus''). Description The Nile tilapia reaches up to in length, and can exceed . As typical of tilapia, males reach a larger size and grow faster than females. Wild type, Wild, natural-type Nile tilapias are brownish or grayish overall, often with indistinct banding on their body, and the tail is vertically striped. When breeding, males become reddish, especially on their fins. Although commonly confused with the blue tilapia (''O. aureus''), that species lacks the striped tail pattern, has a red edge to the dorsal f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oreochromis Ismailiaensis
''Oreochromis'' is a large genus of oreochromine cichlids, fishes endemic to Africa and the Middle East. A few species from this genus have been introduced far outside their native range and are important in aquaculture. Many others have very small ranges; some are seriously threatened, and ''O. ismailiaensis'' and ''O. lidole'' possibly are extinct. Although ''Oreochromis'' primarily are freshwater fish of rivers, lakes and similar habitats, several species can also thrive in brackish waters and some even survive in hypersaline conditions with a salinity that far surpasses that of seawater. In addition to overfishing and habitat loss, some of the more localized species are threatened by the introduction of other, more widespread ''Oreochromis'' species into their ranges. This is because they—in addition to competing for the local resources—often are able to hybridize. ''Oreochromis'' are fairly robust fish, and medium–small to very large ciclids that can reach up to in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Albert Günther
Albert Karl Ludwig Gotthilf Günther FRS, also Albert Charles Lewis Gotthilf Günther (3 October 1830 – 1 February 1914), was a German-born British zoologist, ichthyologist, and herpetologist. Günther is ranked the second-most productive reptile taxonomist (after George Albert Boulenger) with more than 340 reptile species described. Early life and career Günther was born in Esslingen in Swabia (Württemberg). His father was a ''Stiftungs-Commissar'' in Esslingen and his mother was Eleonora Nagel. He initially schooled at the Stuttgart Gymnasium. His family wished him to train for the ministry of the Lutheran Church for which he moved to the University of Tübingen. A brother shifted from theology to medicine, and he, too, turned to science and medicine at Tübingen in 1852. His first work was "''Ueber den Puppenzustand eines Distoma''". He graduated in medicine with an M.D. from Tübingen in 1858, the same year in which he published a handbook of zoology for students of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Myaka
The myaka (''Myaka myaka'') is a critically endangered species of cichlid endemic to Lake Barombi Mbo in western Cameroon. It prefers open, deeper waters where it feeds on phytoplankton and small insects, only venturing into shallower waters to spawn. This species can reach a length of SL. It is currently the only known species in the genus ''Myaka'', but it is very close to ''Sarotherodon''.Martin; Cutler; Friel; Touokong; Coop; and Wainwright (2015). Complex histories of repeated gene flow in Cameroon crater lake cichlids cast doubt on one of the clearest examples of sympatric speciation. Evolution 69-6: 1406–1422. The myaka is threatened because of pollution and sedimentation due to human activities. It is potentially also threatened by large emissions of carbon dioxide (CO2) from the lake's bottom (compare Lake Nyos), although studies indicate that Barombo Mbo lacks excess amounts of this gas.Freeth, S.J.; C.O. Ofoegbu; and K.M. Onuoha (1992). Natural Hazards in West a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethelwynn Trewavas
Ethelwynn Trewavas (5 November 1900 – 16 August 1993) was an ichthyologist at the British Museum of Natural History. She was known for her work on the families Cichlidae and Sciaenidae. She worked with Charles Tate Regan, another ichthyologist and taxonomist. Academic studies and career She received her bachelor's degree and Board of Education Certificate in Teaching in 1921 from Reading University, and then worked as a teacher before being employed by the King's College of Household and Social Science as a part-time demonstrator, spending most of her time on research. She was taught by Dr. Nellie B. Eales when associated with the Freshwater Biological Association. She met Charles Regan and was employed by him as his assistant until hired by the British Museum (Natural History) as Assistant Keeper in 1935. She was appointed Deputy Keeper of Zoology in 1958, and retired in 1961. She served as the senior scientist in the Fish Section of the British Museum (Natural Histo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Konia (fish)
''Konia'' is a small genus of critically endangered cichlids endemic to Lake Barombi Mbo in western Cameroon. Although generally recognized as distinct, the genus is very close to ''Sarotherodon''.Martin; Cutler; Friel; Touokong; Coop; and Wainwright (2015). Complex histories of repeated gene flow in Cameroon crater lake cichlids cast doubt on one of the clearest examples of sympatric speciation. Evolution 69-6: 1406–1422. The ''Konia'' species are threatened because of pollution and sedimentation due to human activities. They are potentially also threatened by large emissions of carbon dioxide (CO2) from the lake's bottom (compare Lake Nyos), although studies indicate that Barombo Mbo lacks excess amounts of this gas. ''Myaka'', ''Pungu'' and ''Stomatepia'' are three other equally threatened genera of cichlids that also are endemic to Lake Barombi Mbo. Species There are currently two recognized species in this genus: * ''Konia dikume'' Trewavas, 1972 (Dikume) * ''Konia eisen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brian W
Brian (sometimes spelled Bryan (given name), Bryan in English) is a male given name of Irish language, Irish and Breton language, Breton origin, as well as a surname of Occitan language, Occitan origin. It is common in the English-speaking world. It is possible that the name is derived from an Celtic languages, Old Celtic word meaning "high" or "noble". For example, the element ''bre'' means "hill"; which could be transferred to mean "eminence" or "exalted one". The name is quite popular in Ireland, on account of Brian Boru, a 10th-century High King of Ireland. The name was also quite popular in East Anglia during the Middle Ages. This is because the name was introduced to England by Bretons following the Norman Conquest. Bretons also settled in Ireland along with the Normans in the 12th century, and 'their' name was mingled with the 'Irish' version. Also, in the north-west of England, the 'Irish' name was introduced by Scandinavian settlers from Ireland. Within the Gaelic speaking ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iranocichla
''Iranocichla'' is a genus of fish in the family Cichlidae found in fresh and brackish waters in southern Iran.Esmaeili, H.R., Sayyadzadeh, G. & Seehausen, O. (2016)''Iranocichla persa'', a new cichlid species from southern Iran (Teleostei, Cichlidae).''ZooKeys, 636: 141–161.'' They are the only cichlids native to this country. Species There are currently two described species in this genus, but a third population of unclear affinities is known from the Kol River drainage (between the range of the two recognized species): * ''Iranocichla hormuzensis'' Coad, 1982 * ''Iranocichla persa ''Iranocichla persa'' is a species of mouth brooding cichlid which was described in 2016 from the drainage basins of the Shur, Hasanlangi and Minab Rivers which flow into the Persian Gulf at the Strait of Hormuz The Strait of Hormuz ...'' Esmaeili, Sayyadzadeh & Seehausen, 2016 References Oreochromini Taxa named by Brian W. Coad Freshwater fish genera {{Cichlida ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Danakilia
''Danakilia'' is a genus of cichlids native to northeastern Africa where they are only known from saline lakes, rivers and creeks in the Danakil Depression of Ethiopia and Eritrea. There are two formally described species, along with three undescribed species currently known. Species There are currently two recognized species in this genus: * ''Danakilia dinicolai'' Stiassny, de Marchi & Lamboj, 2010 * ''Danakilia franchettii'' ( Vinciguerra, 1931) See also * ''Alcolapia ''Alcolapia'' is a genus of small fishes in the family Cichlidae. Their native range is restricted to margins of Lake Natron and Lake Magadi, as well as similar conditions in nearby hot springs, in Kenya and Tanzania. They live in waters that are ...'' – another cichlid genus from warm, saline lakes in Africa. References Oreochromini Cichlid genera {{Tilapiini-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dirk Frans Elisabeth Thys Van Den Audenaerde
A dirk is a long bladed thrusting dagger.Chisholm, Hugh (ed.), ''Dagger'', The Encyclopædia Britannica, 11th ed., Vol. VII, New York, NY: Cambridge University Press (1910), p. 729 Historically, it gained its name from the Highland Dirk (Scots Gaelic "Dearg") where it was a personal weapon of officers engaged in naval hand-to-hand combat during the Age of SailO'Brian, Patrick, ''Men-of-War: Life In Nelson's Navy'', New York: W.W. Norton & Co., (1974), p. 35 as well as the personal sidearm of Highlanders. It was also the traditional sidearm of the Highland Clansman and later used by the officers, pipers, and drummers of Scottish Highland regiments around 1725 to 1800 and by Japanese naval officers. Etymology The term is associated with Scotland in the Early Modern Era, being attested from about 1600. The term was spelled ''dork'' or ''dirk'' during the 17th century,Head, T.F. ''The Concise Oxford Dictionary of English Etymology'' Oxford University Press (1996) presumed relat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alcolapia
''Alcolapia'' is a genus of small fishes in the family Cichlidae. Their native range is restricted to margins of Lake Natron and Lake Magadi, as well as similar conditions in nearby hot springs, in Kenya and Tanzania. They live in waters that are warm (mostly , although occasionally down to ), hypersaline (salinity above 40‰) and alkaline ( pH above 10). Species from this genus have also been introduced to Lake Nakuru and Lake Elmenteita. They are the only fish in their range. The different ''Alcolapia'' species differ primarily in the position of their mouth (straight, upturned or downturned) and the colors of the adult males. They are fairly small fish, with the largest species reaching up to in standard length. They mostly feed on algae and cyanobacteria, but also take other plant material, fish eggs, fry and remains, and insects in smaller quantities (except ''A. alcalica'', which feed on other plant material at about the same level as algae and cyanobacteria). They are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sarotherodon Melanotheron
The blackchin tilapia (''Sarotherodon melanotheron'') is a species of cichlid native to coastal west Africa. It is a paternal mouthbrooder which has been introduced to Asia and North America. In the Philippines, it is also informally called ''gloria'' or ''tilapiang arroyo'' after former Philippine President Gloria Macapagal-Arroyo because of its small size and mole-like dark pigmentation under its lower jaw, resembling that of the short stature and mole on the former president's left cheek. Description The blackchin tilapia, is pale in colour, that colour varying in shades including light blue, orange and golden yellow which normally has dark patches on the chin of adults. It also normally has dark colouration on the posterior edge of the gill and on the tips of the soft rays of the dorsal fin. The body is typically marked with irregular bars, spots or splotches. It has a small mouth which is equipped with as many as a few hundred tiny teeth which are arranged in 3-6 rows. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
