''Bagrus'' 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 ...
of
bagrid catfish
Catfish (or catfishes; order (biology), order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Catfish are common name, named for their prominent barbel (anatomy), barbels, which resemble a cat's whiskers, though not ...
es. These are relatively large catfish found in freshwater habitats in Africa,
except for the virtually unknown ''B. tucumanus'' from South America, which likely is a
synonym
A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...
of ''
Luciopimelodus pati''.
Taxonomy
The present
scientific name
In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...
''Bagrus'' was first proposed by
Louis Augustin Guillaume Bosc
Louis Augustin Guillaume Bosc (or Louis-Augustin Bosc d'Antic) (29 January 1759 – 10 July 1828) was a French botanist, invertebrate zoologist, and entomologist.
Biography
Bosc was born in Paris, the son of Paul Bosc d’Antic, a medical doctor ...
in 1816 for the
bayad
The bayad (''Bagrus bajad''), is a species of bagrid catfish from Africa.
Distribution
The natural habitat of the bayad are lakes and rivers in Africa. These include lakes such as Lake Chad, Lake Albert, and Lake Turkana, as well as rivers such ...
and its closest relatives. Although in 1809,
Geoffroy Saint-Hilaire had already separated this fish in his new genus ''Porcus''. But this was overruled by the
ICZN
The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its formal author, t ...
, so that the
junior synonym
In taxonomy, the scientific classification of living organisms, a synonym is an alternative scientific name for the accepted scientific name of a taxon. The botanical and zoological codes of nomenclature treat the concept of synonymy differently.
...
could continue to be used.
[Ferraris (2007)]
Species
Eleven living
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
are placed here:
[
* '']Bagrus bajad
The bayad (''Bagrus bajad''), is a species of bagrid catfish from Africa.
Distribution
The natural habitat of the bayad are lakes and rivers in Africa. These include lakes such as Lake Chad, Lake Albert, and Lake Turkana, as well as rivers such ...
'' ( Forsskål, 1775) (Bayad)
* ''Bagrus caeruleus
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' T. R. Roberts & D. J. Stewart, 1976
* ''Bagrus degeni
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' Boulenger, 1906
* ''Bagrus docmak
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' ( Forsskål, 1775) (Semutundu)
* ''Bagrus filamentosus
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' Pellegrin, 1924
* ''Bagrus lubosicus
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' Lönnberg, 1924
* ''Bagrus meridionalis
The kampango or kampoyo (''Bagrus meridionalis'') is a critically endangered species of large and predatory bagrid catfish that is endemic to Lake Malawi, Lake Malombe and the upper Shire River in Africa. It prefers areas near rocks in water shal ...
'' Günther, 1894 (Kampango, Kampoyo)
* ''Bagrus orientalis
''Bagrus orientalis'' is a species of fish in the family Bagridae. It is found in Malawi and Tanzania. Its natural habitat is freshwater lake
A lake is often a naturally occurring, relatively large and fixed body of water on or near the E ...
'' Boulenger, 1902
* ''Bagrus tucumanus
''Bagrus'' is a genus of bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a synonym of '' Luciopimelodus pati''.
...
'' Burmeister, 1861
* ''Bagrus ubangensis
''Bagrus'' is a genus of bagridae, bagrid catfishes. These are relatively large catfish found in freshwater habitats in Africa, except for the virtually unknown ''B. tucumanus'' from South America, which likely is a Synonym (biology), synonym o ...
'' Boulenger, 1902
* '' Bagrus urostigma'' Vinciguerra, 1895 (Somalia Catfish)
A possible fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserve ...
''Bagrus'' from about 7 million years ago, found in Late Miocene
The Late Miocene (also known as Upper Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages. The Tortonian and Messinian stages comprise the Late Miocene sub-epoch, which lasted from 11.63 Ma (million ye ...
Baynunah Formation
The Baynunah Formation is a palaeontological formation located in the western region of the Emirate of Abu Dhabi, the United Arab Emirates. It dates to the Upper Miocene epoch of the Neogene period in the Cenozoic Era. Geology
Fauna
Fossils o ...
["Bahnunah" is a variant ]transliteration
Transliteration is a type of conversion of a text from one script to another that involves swapping letters (thus '' trans-'' + '' liter-'') in predictable ways, such as Greek → and → the digraph , Cyrillic → , Armenian → or L ...
or ''lapsus
In philology, a lapsus (Latin for "lapse, slip, error") is an involuntary mistake made while writing or speaking.
Investigations
In 1895 an investigation into verbal slips was undertaken by a philologist and a psychologist, Rudolf Meringer and ...
'' rocks near Ruwais
Al Dhannah () is a city located west of Abu Dhabi City, in the Western Region of the Emirate of Abu Dhabi. The city’s former name, "Al Ruwais", is largely dropped in relation to the Ruwais Refinery and other industrial development.
The Al D ...
(Abu Dhabi
Abu Dhabi is the capital city of the United Arab Emirates. The city is the seat of the Abu Dhabi Central Capital District, the capital city of the Emirate of Abu Dhabi, and the UAE's List of cities in the United Arab Emirates, second-most popu ...
), has been described:Bagridae
The Bagridae are a family of catfish that are native to Africa ('' Bagrus'') and Asia (all other genera) from Japan to Borneo. It includes about 245 species. These fish are commonly known as naked catfishes or bagrid catfishes.
Many large bagrid ...
genus, or even in the Claroteidae
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 ...
.
References
* (2007): Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. ''Zootaxa
''Zootaxa'' is a peer-reviewed scientific mega journal for animal taxonomists. It is published by Magnolia Press (Auckland, New Zealand). The journal was established by Zhi-Qiang Zhang in 2001 and new issues are published multiple times a week ...
'' 1418: 1–628
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Catfish genera
Catfish of Africa
Freshwater fish genera
Bagridae
Taxa named by Louis Augustin Guillaume Bosc