''Chrysichthys'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

claroteid catfish The Claroteidae are a family of catfish (order Siluriformes) found in Africa. This family was separated from Bagridae. However, the monophyly of the family is sometimes contested. The 9 genera contain 65 known species of claroteids. The family ...

es 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 ...

. Two fossil species are known. '' Chrysichthys macrotis'', Van Neer, 1994, is known from the

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Albertine Rift The Albertine Rift is the western branch of the East African Rift, covering parts of Uganda, the Democratic Republic of the Congo (DRC), Rwanda, Burundi and Tanzania. It extends from the northern end of Lake Albert to the southern end of Lake Tan ...

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 ...

and '' Chrysichthys mahengeensis'', Murray & Budney, 2003, is known from the

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

of the

Mahenge Formation The Mahenge Formation is a Eocene, Middle Eocene-aged geological formation and ''Konservat-Lagerstätte'' from Tanzania. It contains a high variety of exceptionally-preserved fossils, including many of the earliest fossil records of dominant freshw ...

Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...

Species

There are currently 42 recognized species in this genus: * '' Chrysichthys acsiorum'' Hardman, 2008 * '' Chrysichthys aluuensis''

Risch Risch is a municipalities of Switzerland, municipality in the Cantons of Switzerland, canton of Zug (canton), Zug in Switzerland. It is also promoted as Risch-Rotkreuz. Four villages (Rotkreuz, Risch, Buonas and Holzhäusern) belong to the muni ...

, 1985 * '' Chrysichthys ansorgii''

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858– ...

, 1910 * ''

Chrysichthys auratus The golden Nile catfish (''Chrysichthys auratus'') is a species of fish belonging to the family Claroteidae The Claroteidae are a family of catfish (order Siluriformes) found in Africa. This family was separated from Bagridae. However, the mon ...

'' ( É. Geoffroy Saint-Hilaire, 1809) * '' Chrysichthys bocagii''

, 1910 * ''

Chrysichthys brachynema The Kibonde or salmontail catfish, ''Chrysichthys brachynema'', is a Lake Tanganyikan catfish of the family Claroteidae The Claroteidae are a family of catfish (order Siluriformes) found in Africa. This family was separated from Bagridae. How ...

, 1900 (Kibonde, salmontail catfish) * ''Chrysichthys brevibarbis'' (

, 1899) * ''Chrysichthys cranchii'' (William Elford Leach, Leach, 1818) (Kokuni, Kamba) * ''Chrysichthys dageti''

, 1992 * ''Chrysichthys delhezi''

, 1899 * ''Chrysichthys dendrophorus'' (Max Poll, Poll, 1966) * ''Chrysichthys depressus'' (John Treadwell Nichols, Nichols & Ludlow Griscom, Griscom, 1917) * ''Chrysichthys duttoni''

, 1905 * ''Chrysichthys habereri'' Franz Steindachner, Steindachner, 1912 * ''Chrysichthys helicophagus'' Tyson R. Roberts, T. R. Roberts & Donald J. Stewart, D. J. Stewart, 1976 * ''Chrysichthys hildae'' Graham Bell-Cross, Bell-Cross, 1973 (Hilda's grunter) * ''Chrysichthys johnelsi'' Jacques Daget, Daget, 1959 * ''Chrysichthys laticeps'' Jacques Pellegrin, Pellegrin, 1932 * ''Chrysichthys levequei''

, 1988 * ''Chrysichthys longibarbis'' (

, 1899) * ''Chrysichthys longidorsalis''

& Dirk Frans Elisabeth Thys van den Audenaerde, Thys van den Audenaerde, 1981 * ''Chrysichthys longipinnis'' (

, 1899) (Aluminum catfish) * ''Chrysichthys mabusi''

, 1905 * ''Chrysichthys macropterus''

, 1920 * ''Chrysichthys maurus'' (Achille Valenciennes, Valenciennes, 1840) * ''Chrysichthys nigrodigitatus'' (Bernard Germain de Lacépède, Lacépède, 1803) (Bagrid catfish) * ''Chrysichthys nyongensis''

& Dirk Frans Elisabeth Thys van den Audenaerde, Thys van den Audenaerde, 1985 * ''Chrysichthys ogooensis'' (Jacques Pellegrin, Pellegrin, 1900) * ''Chrysichthys okae'' Henry Weed Fowler, Fowler, 1949 * ''Chrysichthys ornatus''

, 1902 (Ornate bagrid) * ''Chrysichthys persimilis'' Albert Günther, Günther, 1899 * ''Chrysichthys polli''

, 1987 * ''Chrysichthys praecox'' Hardman & Melanie L. J. Stiassny, Stiassny, 2008 * ''Chrysichthys punctatus''

, 1899 * ''Chrysichthys rueppelli''

, 1907 * ''Chrysichthys sharpii''

, 1901 (Shovelnose catfish) * ''Chrysichthys teugelsi''

, 1987 * ''Chrysichthys thonneri'' Franz Steindachner, Steindachner, 1912 * ''Chrysichthys thysi''

, 1985 * ''Chrysichthys turkana'' Hardman, 2008 * ''Chrysichthys uniformis'' Jacques Pellegrin, Pellegrin, 1922 * ''Chrysichthys wagenaari''

, 1899 * ''Chrysichthys walkeri'' Albert Günther, Günther, 1899

References

Claroteidae Fish of Africa Catfish genera Freshwater fish genera Taxa named by Pieter Bleeker Taxonomy articles created by Polbot {{catfish-stub Lutetian genus first appearances Extant Lutetian first appearances