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Raiamas Ansorgii
''Raiamas ansorgii'' is a species of ray-finned fish in the genus ''Raiamas''. It is endemic to the Cuanza River The Kwanza River, also known as the Coanza, the Quanza, and the Cuanza, is one of the longest rivers in Angola. It empties into the Atlantic Ocean just south of the national capital Luanda. Geography The river is navigable for about from its ... in Angola. References Endemic fauna of Angola Raiamas Fish described in 1910 {{Cyprinidae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Albert Boulenger
George Albert Boulenger (19 October 1858 – 23 November 1937) was a Belgian-British zoologist who described and gave scientific names to over 2,000 new animal species, chiefly fish, reptiles, and amphibians. Boulenger was also an active botanist during the last 30 years of his life, especially in the study of roses. Life Boulenger was born in Brussels, Belgium, the only son of Gustave Boulenger, a Belgian public notary, and Juliette Piérart, from Valenciennes. He graduated in 1876 from the Free University of Brussels with a degree in natural sciences, and worked for a while at the Royal Belgian Institute of Natural Sciences, Brussels, as an assistant naturalist studying amphibians, reptiles, and fishes. He also made frequent visits during this time to the ''Muséum national d'Histoire naturelle'' in Paris and the British Museum in London. In 1880, he was invited to work at the Natural History Museum, then a department of the British Museum, by Dr. Albert C. L. G. Günther a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ray-finned Fish
Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or horny spines (rays), as opposed to the fleshy, lobed fins that characterize the class Sarcopterygii (lobe-finned fish). These actinopterygian fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the link or connection between these fins and the internal skeleton (e.g., pelvic and pectoral girdles). By species count, actinopterygians dominate the vertebrates, and they constitute nearly 99% of the over 30,000 species of fish. They are ubiquitous throughout freshwater and marine environments from the deep sea to the highest mountain streams. Extant species can range in size from ''Paedocypris'', at , to the massive ocean sunfish, at , and the long-bodied oarfish, at . The vast majority of Actinoptery ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raiamas
''Raiamas'' is a genus of cyprinid freshwater fishes. The majority of the species are from Africa, but ''R. bola'' and ''R. guttatus '' are from South and Southeast Asia. Species * '' Raiamas ansorgii'' ( Boulenger, 1910) * '' Raiamas batesii'' ( Boulenger, 1914) * '' Raiamas bola'' ( F. Hamilton, 1822) (Trout barb) * '' Raiamas buchholzi'' ( W. K. H. Peters, 1876) * '' Raiamas christyi'' ( Boulenger, 1920) (Coppernose barb) * '' Raiamas guttatus'' ( F. Day, 1870) (Burmese trout) * '' Raiamas intermedius'' ( Boulenger, 1915) * '' Raiamas kheeli'' Stiassny, Schelly & Schliewen, 2006 * '' Raiamas levequei'' Howes & Teugels, 1989 * '' Raiamas longirostris'' ( Boulenger, 1902) * '' Raiamas moorii'' ( Boulenger, 1900) (Lake Rukwa minnow) * '' Raiamas nigeriensis'' ( Daget, 1959) * '' Raiamas salmolucius'' (Nichols & Griscom, 1917) * '' Raiamas scarciensis'' Howes & Teugels, 1989 * '' Raiamas senegalensis'' ( Steindachner, 1870) (Silver fish) * '' Raiamas shariensis'' ( Fowler ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuanza River
The Kwanza River, also known as the Coanza, the Quanza, and the Cuanza, is one of the longest rivers in Angola. It empties into the Atlantic Ocean just south of the national capital Luanda. Geography The river is navigable for about from its mouth, located south of Luanda. Its tributaries included the Cutato and Lucala. History The river's navigable lower course was the original route of Portugal invasion into northern Angola. The Capanda Dam in Malanje Province was finished in 2004, providing hydroelectric power to the region and assisting its irrigation. The Cambambe Dam and the Lauca Dam were also constructed on the river. The Caculo Cabaça Hydroelectric Power StationCaculo Cabaça Dam is under construction with estimated completion in 2024. The ''Barra do Kwanza'', the mouth of the river is gradually being developed for tourism, including a golf course. The Church of Nossa Senhora da Victoria stands near the banks of the Kwanza River in Massanganu, Province of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Fauna Of Angola
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 s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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