Thysochromis is a genus of cichlids native to West and Middle Africa.
A genus is a taxonomic rank used in the biological classification of living and fossil organisms, as well as viruses, in biology. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, Labroidei, along with the wrasses (Labridae), in the order Perciformes but molecular studies have contradicted this grouping. The closest living relatives of cichlids are probably the convict blennies and both families are classified in the 5th edition of Fishes of the World as the two families in the Cichliformes, part of the subseries Ovalentaria. This family is both large and diverse. At least 1,650 species have been scientifically described, making it one of the largest vertebrate families. New species are discovered annually, and many species remain undescribed. The actual number of species is therefore unknown, with estimates varying between 2,000 and 3,000.
West Africa is the westernmost region of Africa. The United Nations defines Western Africa as the 16 countries of Benin, Burkina Faso, Cape Verde, The Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Mali, Mauritania, the Niger, Nigeria, Senegal, Sierra Leone and Togo, as well as the United Kingdom Overseas Territory of Saint Helena, Ascension and Tristan da Cunha. The population of West Africa is estimated at about 362 million people as of 2016.
There are currently two recognized species in this genus:
George Albert Boulenger 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.
Afrogecko is a genus of small leaf-toed geckos, lizards in the family Gekkonidae. The genus is endemic to southern Africa. The genus was revised in 2014 by Heinicke et al.
Ptychadena is a genus of frogs in the Ptychadenidae family, the grassland frogs. They are distributed in Sub-Saharan Africa as well as nilotic Egypt. The common names of this genus are ridged frogs and grass frogs.
Labeo is a genus of carps in the family Cyprinidae. They are found mainly in the Old World tropics.
Psammophis is a genus of snakes in the family Lamprophiidae. The genus comprises 34 species, which are found in Africa and Asia. Psammophis are diurnal and prey on lizards and rodents which they actively hunt. All species in the genus are venomous, and the venom is considered mild and not dangerous to humans.
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.
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.
Chrysichthys is a genus of claroteid catfishes native to Africa. Two fossil species are known. Chrysichthys macrotis, Van Neer, 1994, is known from the Miocene-Pliocene of the Albertine Rift in Uganda and Chrysichthys mahengeensis, Murray & Budney, 2003, is known from the Eocene of Mahenge, Tanzania.
Hippopotamyrus is a genus of elephantfish in the family Mormyridae.
Kneria is a genus of small fish in the family Kneriidae. All 13 species in this genus are restricted to Africa.
Microctenopoma is a genus of fish in the Anabantidae family. They are native to Africa. Microctenopoma has been included in Ctenopoma in the past; unlike that genus, they are bubblenest builders, and the males defend the eggs and fry until they are free swimming.
Phractura is a genus of loach catfishes that occur in Africa.
Labeobarbus is a mid-sized ray-finned fish genus in the family Cyprinidae. Its species are widely distributed throughout eastern Africa and especially southern Africa, but also in Lake Tana in Ethiopia. A common name, in particular for the southern species, is yellowfish. The scientific name refers to the fact that these large barbs remind of the fairly closely related "carps" in the genus Labeo in size and shape. As far as can be told, all Labeobarbus species are hexaploid.
Petrocephalus is a genus of fish in the family Mormyridae. All the fish species of this genus are endemic to Africa.
Odaxothrissa, the fangtooth pellonulines, is a genus of fresh-water fish in the herring family, Clupeidae. There are currently four recognized species in this genus, all of which are found in tropical Africa.
Phenacogrammus is a genus of African tetras found in Middle Africa.
Nannocharax is a genus of distichodontid freshwater fishes found in Africa.
Neolebias is a genus of small distichodontid freshwater fishes found in Africa.
Epiplatys is a genus of fish in the family Aplocheilidae endemic to Africa as the name indicates. Several of these species are popular aquarium fish.
Enneacampus is a genus of freshwater pipefishes native to Africa.
William John Ansorge was a physician who worked in Angola and Uganda and is known for exploring the fauna of the African region. He was posted as a medical officer in Uganda from 1895 to 1898. Several species of animals were named after him by museum taxonomists chiefly in Britain; these include Ansorge's Cusimanse, Crossarchus ansorgei, Ansorge's Greenbul Andropadus ansorgei, and many fishes . Also, three species of African reptiles were named after him: Afrogecko ansorgii, Hemidactylus ansorgii, and Psammophis ansorgii.
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