Ompok Brevirictus
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''Ompok'' is a
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 ...
of
fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...
in the
family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Siluridae Siluridae is the nominate family of catfishes in the order Siluriformes. About 105 living species of silurids are placed in 12 or 14 genera. Although silurids occur across much of Europe and Asia, they are most diverse in Southeast Asia, beyond ...
found in
lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...
s and large
river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...
s throughout
South South is one of the cardinal directions or Points of the compass, compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Pro ...
and
Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
.


Taxonomy

The genus is recognized to be
paraphyletic In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...
. The
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of ''Ompok'' have been grouped into species groups, such as the ''Ompok bimaculatus'' group (i.e. ''O. bimaculatus'', ''O. malabaricus'' and ''O. miostoma''), the ''O. eugeneiatus'' group (i.e. ''O. eugeneiatus'' and ''O. pinnatus''), the ''O. hypophthalmus'' group (i.e. ''O. hypophthalmus'', ''O. rhabdinurus'' and ''O. urbaini'') and the ''O. leiacanthus'' group (''O. fumidus'', ''O. jaynei'' and ''O. leiacanthus'').Bornbusch, A.H. (1995): Phylogenetic relationships within the Eurasian catfish family Siluridae (Pisces: Siluriformes), with comments on generic validities and biogeography. ''Zoological Journal of the Linnean Society, 115 (1): 1–46.''Ng, H.H. (2003): A review of the ''Ompok hypophthalmus'' group of silurid catfishes with the description of a new species from South-East Asia. ''Journal of Fish Biology, 62 (6): 1296–1311.''Ng, H.H. (2003): ''Ompok pinnatus'', a new species of silurid catfish (Teleostei: Siluriformes: Siluridae) from mainland Southeast Asia. ''Proceedings of the Biological Society of Washington, 116 (1): 47-51.'' On the other hand, the
monophyly In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic grou ...
of these species groups is not strong enough to reassign species to other genera.Ng, H.H. & Tan, H.H. (2004): ''Ompok platyrhynchus'', a new silurid catfish (Teleostei: Siluridae) from Borneo. ''Zootaxa, 580: 1–11.'' The ''O. eugeneiatus'' group is likely to be more closely related to ''
Kryptopterus ''Kryptopterus'' is a genus of catfishes belonging to the family Siluridae. They are found in freshwater throughout Southeast Asia. The scientific name comes from Ancient Greek ''kryptós'' (κρυπτός, "hidden") + ''ptéryx'' (πτέρυ ...
'' than the other ''Ompok'' species. According to Ferraris ''O. eugeneiatus'' has been reclassified into ''Kryptopterus'', however ''O. pinnatus'' has not.Ferraris, C.J.Jr. (2007)
Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types.
''Zootaxa, 1418: 1–628.''


Species

There are currently 27 recognized species in this genus: * ''
Ompok argestes ''Ompok argestes'', is a species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any t ...
'' Sudasinghe & Meegaskumbura, 2016 Sudasinghe, H. & Meegaskumbura, M. (2016): ''Ompok argestes'', a new species of silurid catfish endemic to Sri Lanka (Teleostei: Siluridae). ''Zootaxa, 4158 (2): 261–271.'' * ''
Ompok bimaculatus ''Ompok bimaculatus'', known as butter catfish, is a species of sheatfishes native to Asian countries such as Bangladesh, India, Pakistan, and Sri Lanka, but recently identified in Myanmar. Known in Thailand Thailand ( ), historical ...
'' (
Bloch Bloch is a surname of German origin. Notable people with this surname include: A–F * (1859-1914), French rabbi *Adele Bloch-Bauer (1881-1925), Austrian entrepreneur *Albert Bloch (1882–1961), American painter * (born 1972), German motor journal ...
, 1794)
(Butter catfish) * ''
Ompok binotatus ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' H. H. Ng, 2002 * ''
Ompok borneensis ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' (
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 ...
, 1901)
* ''
Ompok brevirictus ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' H. H. Ng & Hadiaty, 2009 * ''
Ompok canio ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' ( F. Hamilton, 1822) * ''
Ompok ceylonensis ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' ( Günther, 1864) * ''
Ompok eugeneiatus ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' ( Vaillant, 1893) * ''
Ompok fumidus ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' T. H. T. Tan & P. K. L. Ng, 1996 * '' Ompok hypophthalmus'' (
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Ompok javanensis'' (
Hardenberg Hardenberg (; nds-nl, Haddenbarreg or '' 'n Arnbarg'') is a city and municipality in the province of Overijssel, Eastern Netherlands. The municipality of Hardenberg has a population of about 60,000, with about 19,000 living in the city. It recei ...
, 1938)
* ''
Ompok jaynei ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' Fowler, 1905 * '' Ompok karunkodu'' H. H. Ng, 2013 Ng, H.H. (2013): ''Ompok karunkodu'', a new catfish (Teleostei: Siluridae) from southern India. ''Zootaxa, 3694 (2): 161–166.'' * '' Ompok leiacanthus'' (
Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Ompok malabaricus'' (
Valenciennes Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a s ...
, 1840)
* '' Ompok miostoma'' Vaillant, 1902 * ''
Ompok pabda ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' ( F. Hamilton, 1822) * '' Ompok pabo'' ( F. Hamilton, 1822) * '' Ompok pinnatus'' H. H. Ng, 2003 * '' Ompok platyrhynchus'' H. H. Ng & H. H. Tan, 2004 * '' Ompok pluriradiatus'' H. H. Ng, 2002 * '' Ompok rhadinurus'' H. H. Ng, 2003 * '' Ompok sabanus''
Inger Inger may refer to: People * Inger (given name), a list of people * Inger, the main character of Hans Christian Andersen's fairy tale ''The Girl Who Trod on a Loaf'' * Robert F. Inger (1920–2019), American herpetologist * Stella Inger, America ...
& P. K. Chin, 1959
* '' Ompok siluroides'' Lacépède, 1803 * '' Ompok supernus'' H. H. Ng, 2008 * '' Ompok urbaini'' ( P. W. Fang & Chaux, 1949) * ''
Ompok weberi ''Ompok'' is a genus of fish in the family Siluridae found in lakes and large rivers throughout South and Southeast Asia. Taxonomy The genus is recognized to be paraphyletic. The species of ''Ompok'' have been grouped into species groups, such ...
'' (
Hardenberg Hardenberg (; nds-nl, Haddenbarreg or '' 'n Arnbarg'') is a city and municipality in the province of Overijssel, Eastern Netherlands. The municipality of Hardenberg has a population of about 60,000, with about 19,000 living in the city. It recei ...
, 1936)


References

{{Taxonbar, from=Q2022774 Siluridae Fish of South Asia Fish of Southeast Asia Taxa named by Bernard Germain de Lacépède Freshwater fish genera Catfish genera