genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after
Johann Marcusen
Johann Marcusen (29 June 1817–10 July 1894) was a Baltic German ichthyologist.
Life and work
Johann Marcusen was born in Jelgava in present-day Latvia. He studied in Saint Petersburg and Tartu. Between 1851 and 1854 he conducted scientific j ...
.
Species
There are currently 46 recognized species in this genus:
* '' Marcusenius abadii'' (
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 (1858–1 ...
1901) (Djebba mormyrid)
* ''
Marcusenius altisambesi
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius angolensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
1905) (Quanza mormyrid)
* ''
Marcusenius annamariae
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius bentleyi
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
1897) (Bentley's mormyrid)
* ''
Marcusenius brucii
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
1910) (Ogun mormyrid)
* ''
Marcusenius caudisquamatus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' Maake, Gon & Swartz 2014Maake, P.A., Gon, O. & Swartz, E.R. (2014): Descriptions of three new species of ''Marcusenius'' Gill, 1862 (Teleostei: Mormyridae) from South Africa and Mozambique. ''Zootaxa, 3780 (3): 455–480.'' (Mhlatuze mormyrid)
* ''
Marcusenius cuangoanus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius cyprinoides
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
1758
Events
January–March
* January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...
) (thicklipped trunkfish)
* ''
Marcusenius deboensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius desertus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' B. J. Kramer, van der Bank & Wink 2016Kramer, L.B., Van der Bank, F.H. & Wink, M. (2016): ''Marcusenius desertus'' sp. nov. (Teleostei: Mormyridae), a mormyrid fish from the Namib desert. ''African Journal of Aquatic Science, 41 (1): 1-18.'' (Cunene elephantfish)
* ''
Marcusenius devosi
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius dundoensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius friteli
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius fuscus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius ghesquierei
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' ( Poll 1945) (Busira mormyrid)
* '' Marcusenius gracilis'' B. J. Kramer 2013Kramer, B. (2013): Differentiation in morphology and electrical signalling in four species of para- and sympatric ''Marcusenius'' (Teleostei: Mormyridae) from Côte d’Ivoire, West Africa. ''Marine and Freshwater Behaviour and Physiology, 46 (2): 105–133.'' (Comoe mormyrid)
* '' Marcusenius greshoffii'' ( Schilthuis 1891) (Greshoff's mormyrid)
* ''
Marcusenius intermedius
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius kainjii
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius kaninginii
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' KisekelwaBoden, Snoeks & Vreven 2016Kisekelwa, T., Boden, G., Snoeks, J. & Vreven, E. (2016): ''Marcusenius kaninginii'', a new species of elephantfish from the Lowa River basin, Democratic Republic of the Congo (Osteoglossiformes: Mormyridae). ''Ichthyological Exploration of Freshwaters, 26 (4): 341-352.''
* '' Marcusenius krameri'' Maake, Gon & Swartz 2014 (Kramer's mormyrid)
* '' Marcusenius kutuensis'' (
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 (1858–1 ...
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 (1858–1 ...
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 (1858–1 ...
1899) (Livingston's bulldog)
* ''
Marcusenius lucombesi
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius macrolepidotus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius mento
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
Marcusenius monteiri
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius moorii
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius multisquamatus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' B. J. Kramer & Wink 2013Kramer, B. & Wink, M. (2013): East–west differentiation in the ''Marcusenius macrolepidotus'' species complex in Southern Africa: the description of a new species for the lower Cunene River, Namibia (Teleostei: Mormyridae). ''Journal of Natural History, 47 (35-36): 2327-2362.'' (Epupa Falls mormyrid)
* '' Marcusenius ntemensis'' ( Pellegrin 1927) (Ntem mormyrid)
* ''
Marcusenius nyasensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
Worthington
Worthington may refer to:
People
* Worthington (surname)
* Worthington family, a British noble family
Businesses
* Worthington Brewery, also known as Worthington's
* Worthington Corporation, founded as a pump manufacturer in 1845, later a dive ...
1933)
* ''
Marcusenius pongolensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius sanagaensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius schilthuisiae
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
1899) (Kutu mormyrid)
* ''
Marcusenius senegalensis
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
Steindachner
Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...
1870) (Trunkfish; Senegalese mormyrid)
* ''
Marcusenius stanleyanus
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
'' (
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 (1858–1 ...
1897) (Boyoma mormyrid)
* ''
Marcusenius thomasi
''Marcusenius thomasi'' is a species of ray-finned fish in the family Mormyridae. It is found in Guinea, Guinea-Bassau, Liberia, and Sierre Leone. Its natural habitats are rivers, intermittent rivers, and freshwater lakes. It is threatened by M ...
'' (
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 (1858–1 ...
1916) (Sherbo mormyrid)
* ''
Marcusenius ussheri
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...
Marcusenius victoriae
The Victoria stonebasher (''Marcusenius victoriae'') is a species of ray-finned fish in the family Mormyridae. It is found in Kenya, Rwanda, Tanzania, and Uganda. Its natural habitats are rivers, swamps, freshwater lakes, freshwater marshes, and ...
'' (
Worthington
Worthington may refer to:
People
* Worthington (surname)
* Worthington family, a British noble family
Businesses
* Worthington Brewery, also known as Worthington's
* Worthington Corporation, founded as a pump manufacturer in 1845, later a dive ...
1929) (Victoria stonebasher)
*''
Marcusenius wamuinii
''Marcusenius'' is a genus of elephantfishes native to Africa. Its members are highly diverse in size, with the smallest species reaching less than and the largest more than .
The genus is named after Johann Marcusen.
Species
There are cur ...