''Psilorhynchus'' 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 ...

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 ''Psilorhynchidae'' native to

South Asia South Asia is the southern subregion of Asia, which is defined in both geographical and ethno-cultural terms. The region consists of the countries of Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.;;;;;;;; ...

. This genus is the only member of its

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 ...

. The members of ''Psilorhynchus'' are small

benthic The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from ancient Greek, βένθος (bénthos), meaning "t ...

fishes which occur in rivers and streams with fast to swift currents, hence they are often referred to a torrent minnows. They are distributed in southern Asia, in the Indo-Burma region and the Western Ghats. The genus is the sister group to the family

Cyprinidae Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...

, and with that family the Psilorhynchidae makes up the superfamily Cyprinoidea, with all the other cypriniform families in the superfamily

Cobitoidea Loaches are fish of the superfamily Cobitoidea. They are freshwater, benthic (bottom-dwelling) fish found in rivers and creeks throughout Eurasia and northern Africa. Loaches are among the most diverse groups of fish; the 1249 known species of ...

Species

There are currently 29 recognized species in this genus: * ''

Psilorhynchus amplicephalus ''Psilorhynchus amplicephalus'' is a freshwater ray-finned fish, from the Balishwar river in Assam Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers a ...

'' Arunachalam, Muralidharan &

Sivakumar Palaniswamy, better known by his stage name Sivakumar (born 27 October 1941), is an Indian visual artist and former actor who has portrayed a wide range of leading and supporting roles onscreen in Tamil cinema and television. He made his actin ...

, 2007 * ''

Psilorhynchus arunachalensis ''Psilorhynchus arunachalensis'' is a species of torrent minnow. It is a freshwater benthopelagic fish and which is found in Arunachal Pradesh Arunachal Pradesh (, ) is a state in Northeastern India. It was formed from the erstwhile North- ...

'' ( Nebeshwar, Bagra & D. N. Das, 2007) * ''

Psilorhynchus balitora ''Psilorhynchus'' is a genus of fish in the family ''Psilorhynchidae'' native to South Asia. This genus is the only member of its family (biology), family. The members of ''Psilorhynchus'' are small benthic fishes which occur in rivers and stream ...

'' ( F. Hamilton, 1822) * ''

Psilorhynchus brachyrhynchus ''Psilorhynchus brachyrhynchus'' is a freshwater ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are ...

'' Conway & Britz, 2010 Conway, K.W. & Britz, R. (2010)
Three new species of ''Psilorhynchus'' from the Ayeyarwaddy River drainage, Myanmar (Teleostei: Psilorhynchidae).
''Zootaxa, 2616: 31–47.'' * ''

Psilorhynchus breviminor ''Psilorhynchus breviminor'' is a freshwater ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so c ...

'' Conway & Mayden, 2008 * ''

Psilorhynchus chakpiensis ''Psilorhynchus'' is a genus of fish in the family ''Psilorhynchidae'' native to South Asia. This genus is the only member of its family. The members of ''Psilorhynchus'' are small benthic fishes which occur in rivers and streams with fast to sw ...

'' Shangningam & Vishwanath, 2013 Shangningam, B. & Vishwanath, W. (2013)
A new species of ''Psilorhynchus'' (Teleostei: Psilorhynchidae) from the Chindwin basin of Manipur, India.
''Zootaxa, 3694 (4): 381–390.'' * ''

Psilorhynchus gokkyi ''Psilorhynchus gokkyi'' is a freshwater ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so calle ...

'' Conway & Britz, 2010 * ''

Psilorhynchus hamiltoni ''Psilorhynchus hamiltoni'' is a freshwater ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so ca ...

'' Conway, Dittmer, Jezisek & H. H. Ng, 2013 Conway, K.W., Dittmer, D.E., Jezisek, L.E. & Ng, H.H. (2013)
On ''Psilorhynchus sucatio'' and ''P. nudithoracicus'', with the description of a new species of ''Psilorhynchus'' from northeastern India (Ostariophysi: Psilorhynchidae).
''Zootaxa, 3686 (2): 201–243.'' * '' Psilorhynchus homaloptera'' Hora & Mukerji, 1935 Shangningam, B. & Vishwanath, W. (2014)
Redescription of ''Psilorhynchus homaloptera'', a torrent minnow from Northeast India (Teleostei: Psilorhynchidae).
''Ichthyological Exploration of Freshwaters, 24 (3): 237-248.'' * ''

Psilorhynchus kaladanensis ''Psilorhynchus'' is a genus of fish in the family ''Psilorhynchidae'' native to South Asia. This genus is the only member of its family. The members of ''Psilorhynchus'' are small benthic fishes which occur in rivers and streams with fast to swi ...

Lal Ramliana Lal ( fa, لعل, hi, लाल, bn, লাল, ur, لال, ps, Lāl) is an Indo-Iranian surname and given name, which means "darling", "precious", or "beloved", from the Sanskrit ''lala'' ("cajoling").''Dictionary of American Family Names''F ...

Lal Nuntluanga Lal ( fa, لعل, hi, लाल, bn, লাল, ur, لال, ps, Lāl) is an Indo-Iranian surname and given name, which means "darling", "precious", or "beloved", from the Sanskrit ''lala'' ("cajoling").''Dictionary of American Family Names''F ...

& Lal Ronunga, 2015 Lalramliana, Lalnuntluanga & Lalronunga, S. (2015)
''Psilorhynchus kaladanensis'', a new species (Teleostei: Psilorhynchidae) from Mizoram, northeastern India.
''Zootaxa, 3962 (1): 171–178.'' * '' Psilorhynchus khopai''

Solo Solo or SOLO may refer to: Arts and entertainment Comics * ''Solo'' (DC Comics), a DC comics series * Solo, a 1996 mini-series from Dark Horse Comics Characters * Han Solo, a ''Star Wars'' character * Jacen Solo, a Jedi in the non-canonical ''S ...

, Lal Ronunga &

, 2014 Lalramliana, Solo, B., Lalronunga, S. & Lalnuntluanga (2014)
''Psilorhynchus khopai'', a new fish species (Teleostei: Psilorhynchidae) from Mizoram, northeastern India.
''Zootaxa, 3793 (2): 265–272.'' * '' Psilorhynchus konemi'' Shangningam & Vishwanath, 2016 Shangningam, B. & Vishwanath, W. (2016)
''Psilorhynchus konemi'', a new species of torrent minnow from northeast India (Teleostei: Psilorhynchidae).
''Ichthyological Exploration of Freshwaters, 27 (4): 289-296.'' * '' Psilorhynchus maculatus'' Shangningam & Vishwanath, 2013 Shangningam, B. & Vishwanath, W. (2013)
''Psilorhynchus maculatus'', a new species of torrent minnow from the Chindwin basin, Manipur, India (Teleostei: Psilorhynchidae).
''Ichthyological Exploration of Freshwaters, 24 (1): 57-62.'' * ''

Psilorhynchus magnaoculus ''Psilorhynchus'' is a genus of fish in the family ''Psilorhynchidae'' native to South Asia. This genus is the only member of its family. The members of ''Psilorhynchus'' are small benthic fishes which occur in rivers and streams with fast to sw ...

'' Bungdon Shangningam and

Laishram Kosygin Laishram may refer to: * Laishram Monika Devi (born 1983), Indian weightlifter from Manipur * Laishram Sarita Devi (born 1982), Indian boxer from Manipur *Bombayla Devi Laishram (born 1985), Indian archer * Devendro Laishram (born 1992), also known ...

, 2021Shangningam, Bungdon and Kosygin, Laishram, 2021 Psilorhynchus magnaoculus, a new species of torrent minnow (Teleostei: Psilorhynchidae) from Myanmar. Rec. zool. Surv. India: Vol. 121(3)/319-324, 2021 * ''

Psilorhynchus melissa ''Psilorhynchus melissa'' is a freshwater ray-finned fish, from the headwaters of Ann Chaung drainage in Myanmar. This species reaches a length of .Conway, K.W. & Kottelat, M. (2010)Two new species of Torrent Minnow (Ostariophysi: Psilorhynchidae ...

'' Conway &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandC ...

, 2010 Conway, K.W. & Kottelat, M. (2010)
Two new species of Torrent Minnow (Ostariophysi: Psilorhynchidae) from western Myanmar.
''Raffles Bulletin of Zoology, 58 (2): 259–267.'' * ''

Psilorhynchus microphthalmus ''Psilorhynchus microphthalmus'' is a freshwater ray-finned fish, a torrent minnow. It is restricted to the Chapki Stream in the Chindwin basin of Manipur, India. It is found in flowing water with a rock substrate. This species is threatened fr ...

'' Vishwanath & Manojkumar, 1995 * '' Psilorhynchus nepalensis'' Conway & Mayden, 2008 * '' Psilorhynchus ngathanu'' Shangningam & Vishwanath, 2013 Shangningam, B. & Vishwanath, W. (2013)
''Psilorhynchus ngathanu'', a new torrent minnow species (Teleostei: Psilorhynchidae) from the Chindwin Basin, Manipur, India.
''Ichthyological Research, 61 (1): 27-31.'' * '' Psilorhynchus nudithoracicus'' Tilak &

Husain Husain, a variant spelling of Hussein, is a common Arabic name, especially among Muslims because of the status of Husayn ibn Ali, grandson of Mohammad. Notable people with the name include: Arts and literature * Adrian A. Husain, Pakistani poet ...

, 1980 * '' Psilorhynchus olliei'' Conway & Britz, 2015 Conway, K.W. & Britz, R. (2015)
''Psilorhynchus olliei'', a new species of torrent minnow from eastern Myanmar (Ostariophysi: Psilorhynchidae).
''Ichthyological Exploration of Freshwaters, 25 (4): 347–356.'' * '' Psilorhynchus pavimentatus'' Conway &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandC ...

, 2010 * ''

Psilorhynchus piperatus ''Psilorhynchus piperatus'' is a freshwater ray-finned fish, from the Man Chaung, Ayeyarwady River The Irrawaddy River ( Ayeyarwady River; , , from Indic ''revatī'', meaning "abounding in riches") is a river that flows from north to south th ...

'' Conway & Britz, 2010 * '' Psilorhynchus pseudecheneis''

Menon Menon may refer to: People *Menon (subcaste), an honorary title accorded to some members of the Nair community of Kerala, southern India; used as a surname by many holders of the title Surnamed *Menon (surname), the surname of several people Give ...

& A. K. Datta, 1964 Conway, K.W., Mayden, R.L., Shrestha, J. & Edds, D.R. (2012)
Redescription of the Nepalese endemic torrent minnow ''Psilorhynchus pseudecheneis'' with comments on ''P. homaloptera'' (Teleostei: Psilorhynchidae).
''Ichthyological Exploration of Freshwaters, 23 (3): 193-210.'' * '' Psilorhynchus rahmani'' Conway & Mayden, 2008 * ''

Psilorhynchus robustus ''Psilorhynchus robustus'' is an Asian freshwater ray-finned fish of the torrent minnow genus ''Psilorhynchus''. It is benthopelagic and found in the headwaters of the Ataran River basin in Burma (Myanmar) Myanmar, ; UK pronunciations: ...

'' Conway &

Kottelat Maurice Kottelat (born 16 July 1957 in Delémont, SwitzerlandC ...

, 2007 * '' Psilorhynchus rowleyi'' Hora &

Misra Misra or Mishra may refer to: * Motor Industry Software Reliability Association * MISRA C, a software development standard for the C programming language * Misra (poetry), a term meaning a line of a couplet, or verse, in Turkic, Arabic, Persian an ...

, 1941 Shangningam, B., Kosygin, L. & Vishwanath, W. (2013)
Redescription of ''Psilorhynchus rowleyi'' Hora and Misra 1941 (Cypriniformes: Psilorhynchidae).
''Ichthyological Research, 60 (3): 249-255.'' * '' Psilorhynchus sucatio'' ( F. Hamilton, 1822) * '' Psilorhynchus tenura'' Arunachalam & Muralidharan, 2008 * ''

Psilorhynchus tysoni ''Psilorhynchus'' is a genus of fish in the family ''Psilorhynchidae'' native to South Asia. This genus is the only member of its family. The members of ''Psilorhynchus'' are small benthic fishes which occur in rivers and streams with fast to swi ...

'' Conway &

Pinion A pinion is a round gear—usually the smaller of two meshed gears—used in several applications, including drivetrain and rack and pinion systems. Applications Drivetrain Drivetrains usually feature a gear known as the pinion, which may ...

, 2016 Conway, K.W. & Pinion, A.K. (2016): ''Psilorhynchus tysoni'', a new species of torrent minnow from the Salween River drainage, western Thailand (Teleostei: Psilorhynchidae). ''Zootaxa, 4136 (3): 580-592.''

References

{{Taxonbar, from=Q10644895, from2=Q933492 Freshwater fish genera Psilorhynchidae Taxa named by John McClelland (doctor)