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Alestes Stuhlmannii
''Alestes stuhlmannii'' is a species of fish in the family Alestidae. It is endemic to the Ulanga River in Morogoro Region of Tanzania.RUBADA, 1981, Rufiji Basin Study Programme. Study of fisheries in the proposed Steiglers gorge reservoir and the Ulanga floodplain. Atkins Land and Water Management, Cambridge, England.Charlwood, J, D., and Utzinger, J., 1997. Fishery methods and fish diversity in the Ulanga River in south-eastern Tanzania. ''Afr. J. Hydrobiol. Fish'' Vol, No 7, p. 55-64. Named in honor of Franz Stuhlmann (1863-1928), a German zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ... and African explorer, who collected the type specimen in Tanzania. References External links * Froese, R. and D. Pauly, eds''Alestes stuhlmannii''.FishBase. 2015. Alestes F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georg Johann Pfeffer
Georg Johann Pfeffer (1854–1931) was a German zoologist, primarily a malacologist, a scientist who studies mollusks. Pfeffer was born in Berlin. In 1887 he became curator of the , which was established in 1843 and destroyed during World War II. Pfeffer's published writings were mainly about cephalopods. The World Register of Marine Species database lists 133 marine taxa named by Pfeffer When Pfeffer's name is listed as an authority for a taxon such as the land snail genus '' Lamellaxis'' Strebel & Pfeffer, 1882, his name is ''not'' simply an orthographic error for the more commonly encountered molluscan authority Pfeiffer, i.e. Ludwig Karl Georg Pfeiffer Ludwig Karl Georg Pfeiffer, also known as Louis Pfeiffer (4 July 1805 – 2 October 1877), was a German physician, botanist and conchologist. Early life, Education & Medical Career Louis Pfeiffer was born in Cassel, the eldest son of the jurist ..., who lived 50 years earlier, from 1805 to 1877. Georg Johann Pfeffer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. Mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alestidae
African tetras (family Alestidae, formerly spelled Alestiidae) are a group of characiform fish exclusively found in Africa. This family contains about 18 genera and 119 species. Among the best known members are the Congo tetra, and African tigerfish. Taxonomy Taxonomy based on Van der Laan 2017 and Nelson, Grande & Wilson 2016. * Family Alestiidae Cockerell 1910 ** Genus †'' Alestoides'' Monod & Gaudant 1998 ** Genus †'' Arabocharax'' Micklich & Roscher 1990 ** Genus †'' Bunocharax'' Van Neer 1994 ** Genus †'' Eurocharax'' Gaudant 1980 ** Genus †'' Mahengecharax'' Murray 2003 ** Genus †'' Sindacharax'' Greenwood & Howes 1975 ** Genus ''Brycinus'' Valenciennes 1850 'Brycinus macrolepidotus'' species-group** Subfamily Bryconaethiopinae Hoedeman 1951 *** Genus '' Bryconaethiops'' Günther 1873 *** Genus '' Brachyalestes'' Günther 1864 'Brycinus nurse'' species-group** Subfamily Petersiinae Poll 1967 *** Genus '' Alestopetersius'' Hoedeman 1951 Duboisialestes.html"_ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemism
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 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 be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulanga River
The Ulanga River, also known as the Kilombero River, rises in the highlands of the southwest of Morogoro Region, Tanzania, on the eastern slope of the East African Rift. The river flows northeast along the northeastern border of the Lindi Region before it flows into the Rufiji River. The Rufiji eventually flows into the Indian Ocean on the southern coast of the Pwani Region. Geology The Ulanga Valley is an intact natural wetland ecosystem comprising myriad rivers, which make up the largest seasonally freshwater lowland floodplain in East Africa. The Ulanga River supplies two thirds of the Rufiji waters. The Ulanga River is formed by the convergence of major rivers coming from the south, that flow north from the mountain ranges of the Njombe and Iringa regions on the eastern slope of the East African Rift and south from the Udzungwa Mountains and Mahenge Mountains. From south the Ruhudji River winds eastward, losing height quite rapidly, to the head of the great floodplain o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morogoro Region
Morogoro Region (''Mkoa wa Morogoro'' in Swahili) is one of Tanzania's 31 administrative regions. The region covers an area of . The region is comparable in size to the combined land area of the nation state of Ireland. Morogoro Region is bordered to the north by the Manyara Region and Tanga Region, to the east by the Pwani and Lindi Regions, to the south by the Ruvuma Region and to the west by the Iringa Njombe and Dodoma Regions. The regional capital is the municipality of Morogoro. According to the 2012 national census, the region had a population of 2,218,492. Geography The area is found in the Mid-Eastern portion of mainland Tanzania and is situated between latitudes 5° 58' and 10' south of the equator and between longitudes 35° 25' and 38° 30' east greenwich. 4,623,005 acres, or 4.9% of the area of Tanzania's Mainland, is the size of the Morogoro region (94,278,400 ha). The majority of the total land area, 1,772,597 ha (38.3%), is made up of arable land used for cro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tanzania
Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and the Indian Ocean to the east; Mozambique and Malawi to the south; Zambia to the southwest; and Rwanda, Burundi, and the Democratic Republic of the Congo to the west. Mount Kilimanjaro, Africa's highest mountain, is in northeastern Tanzania. According to the United Nations, Tanzania has a population of million, making it the most populous country located entirely south of the equator. Many important hominid fossils have been found in Tanzania, such as 6-million-year-old Pliocene hominid fossils. The genus Australopithecus ranged across Africa between 4 and 2 million years ago, and the oldest remains of the genus ''Homo'' are found near Lake Olduvai. Following the rise of '' Homo erectus'' 1.8 million years ago, humanity spread ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franz Stuhlmann
Franz Ludwig Stuhlmann (29 October 1863 – 19 November 1928) was a German naturalist, zoologist and African explorer, born in Hamburg. Biography Stuhlmann was born and grew up in Hamburg where his father was an architect. He took a great interest in natural history while at school and went on to study natural sciences at Tübingen and Freiburg, earning his doctorate at the latter. Concentrating on zoology, he also undertook studies at the University of Kiel before being employed as a demonstrator at the Zoological Institute of Würzburg in 1887. He did not stay long, however, but left Germany the following year on what would be the first voyage in a long series of expeditions. He carried on his work well beyond retirement age and contracted cancer and died in November 1928 following an operation. Expeditions After studying at Tübingen and Freiburg, he went to East Africa in 1888, and during the revolt of the Arabs in 1890 entered the German corps of defense as a lieutenant, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germans
, native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = 21,000 3,000,000 , region5 = , pop5 = 125,000 982,226 , region6 = , pop6 = 900,000 , region7 = , pop7 = 142,000 840,000 , region8 = , pop8 = 9,000 500,000 , region9 = , pop9 = 357,000 , region10 = , pop10 = 310,000 , region11 = , pop11 = 36,000 250,000 , region12 = , pop12 = 25,000 200,000 , region13 = , pop13 = 233,000 , region14 = , pop14 = 211,000 , region15 = , pop15 = 203,000 , region16 = , pop16 = 201,000 , region17 = , pop17 = 101,000 148,00 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoologist
Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological classification, classification, Ethology, habits, and distribution of all animals, both living and extinction, extinct, and how they interact with their ecosystems. The term is derived from Ancient Greek , ('animal'), and , ('knowledge', 'study'). Although humans have always been interested in the natural history of the animals they saw around them, and made use of this knowledge to domesticate certain species, the formal study of zoology can be said to have originated with Aristotle. He viewed animals as living organisms, studied their structure and development, and considered their adaptations to their surroundings and the function of their parts. The Greek physician Galen studied human anatomy and was one of the greatest surgeons of the a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alestes
''Alestes'' is a genus in the family Alestidae, known as the "African Characidae" as they are found exclusively on that continent. As suggested by that name, they Alestidae was formerly included in Characidae. ''Myletes'' is a synonym of ''Alestes'', but the former name has historically also been used for various South American serrasalmines. Within the Lake Chad basin, ''Alestes'' and '' Hydrocynus'', collectively known as ''salanga'', are lightly smoked and dried. Species There are currently seven recognized species in this genus: * ''Alestes ansorgii'' Boulenger, 1910 * '' Alestes baremoze'' (Joannis, 1835) (Silversides) * ''Alestes dentex'' (Linnaeus, 1758) (Characin) * ''Alestes inferus'' Stiassny, Schelly & Mamonekene, 2009 * ''Alestes liebrechtsii'' Boulenger, 1898 * ''Alestes macrophthalmus'' Günther, 1867 (Torpedo robber) * ''Alestes stuhlmannii'' Pfeffer, 1896 ;Species brought into synonymy: * ''Alestes boubon''i Roman, 1973: synonym of '' Brycinus nurse'' (Rüpp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Of Tanzania
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. Most ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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