''Ptychobarbus'' is a genus of

cyprinid 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 ...

fish that is found in rivers, streams and lakes in the

Himalayas The Himalayas, or Himalaya (; ; ), is a mountain range in Asia, separating the plains of the Indian subcontinent from the Tibetan Plateau. The range has some of the planet's highest peaks, including the very highest, Mount Everest. Over 100 ...

and

Tibetan Plateau The Tibetan Plateau (, also known as the Qinghai–Tibet Plateau or the Qing–Zang Plateau () or as the Himalayan Plateau in India, is a vast elevated plateau located at the intersection of Central, South and East Asia covering most of the Ti ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

and

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

, extending into the highlands of

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

. They reach up to in weight and about in total length. They mostly feed on

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 ...

invertebrates, but will also take

plankton Plankton are the diverse collection of organisms found in Hydrosphere, water (or atmosphere, air) that are unable to propel themselves against a Ocean current, current (or wind). The individual organisms constituting plankton are called plankt ...

ic organisms, aquatic plants and algae.Qi, D.; Y. Chao; S. Guo; L. Zhao; T. Li; F. Wei; and X. Zhao (2012). Convergent, Parallel and Correlated Evolution of Trophic Morphologies in the Subfamily Schizothoracinae from the Qinghai-Tibetan Plateau. PLoS ONE 7(3): e34070. ''Ptychobarbus'' is a part of the schizothoracines (snowtrout and allies), which also includes the genera '' Aspiorhynchus'', ''

Chuanchia ''Chuanchia labiosa'' is a species of cyprinid fish that is only found in the upper reaches of the Yellow River basin in the Qinghai–Tibet Plateau of China, where it mostly inhabits slow-flowing cold waters at altitudes above . It is the only ...

'', ''

Diptychus ''Diptychus'' is a genus of cyprinid freshwater fish, consisting of two species found in Himalaya and the Tibetan Plateau of China, India, Nepal and Pakistan, ranging west to the Tien Shan Mountains and Central Asia.Li, G.; Y. Tang; R. Zhang; and ...

'', ''

Gymnodiptychus ''Gymnodiptychus'' is a genus of cyprinid fish found in freshwater habitats in the highlands of China, Kyrgyzstan and Tajikistan.Kustareva, L.A., and A.M. Naseka (2015). Fish diversity in Kyrgyzstan: Species composition, fisheries and management ...

'', ''

Gymnocypris ''Gymnocypris'' is a genus of fish in the family Cyprinidae endemic to China. Species There are currently 10 recognized species in this genus: * ''Gymnocypris chilianensis'' S. C. Li & S. Y. Chang, 1974 * ''Gymnocypris chui'' T. L. Tchang, T ...

'', ''

Oxygymnocypris ''Oxygymnocypris stewartii'' is a species of cyprinid fish endemic to Tibet and occurs in the Yarlung Tsangpo River (=upper Brahmaputra) and its tributaries at altitudes above in the Qinghai-Tibet Plateau. It is the only species in its genus. ...

'', '' Platypharodon'', ''

Schizopyge ''Schizopyge'' is a genus of cyprinid freshwater fish found in Pakistan and the northwestern part of India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the sec ...

'', ''

Schizopygopsis ''Schizopygopsis'' is a genus of cyprinid fish. Most species are endemic to river basins in the Himalayas and Qinghai–Tibet Plateau of China, but ''S. stoliczkai'' extends into the highlands of Afghanistan, Iran, northern India, Kyrgyzstan, Pa ...

'' and ''

Schizothorax ''Schizothorax'' is a genus of cyprinid fish found in southern and western China, through northern South Asia (Himalaya) and Central Asia, to Iran, with a single species, ''S. prophylax'', in Turkey.Yang, J.; J.X. Yang; and X.Y. Chen (2012). A re ...

''.

Species

There are currently four described species in the genus: * ''

Ptychobarbus chungtienensis ''Ptychobarbus chungtienensis'' is a species of cyprinid fish endemic to China. It is so far only known from Zhongdian in Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans ...

'' (W. H. Tsao, 1964) * ''

Ptychobarbus conirostris ''Ptychobarbus conirostris'' (common name: Indus snowtrout) is a species of cyprinid of the genus ''Ptychobarbus''. It inhabits India, Pakistan and Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plate ...

'' Steindachner, 1866 (Indus snowtrout) * ''

Ptychobarbus dipogon ''Ptychobarbus dipogon'' is a species of cyprinid of the genus ''Ptychobarbus''. It inhabits Tibet, China, and has a maximum length of and a maximum published weight of . It is used for food locally and is considered harmless to humans. It has ...

'' (

Regan The family name Regan, along with its cognates O'Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin, from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' ...

, 1905) * ''

Ptychobarbus kaznakovi ''Ptychobarbus kaznakovi'' is a species of cyprinid fish endemic to Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Al ...

'' A. M. Nikolskii, 1903

References

Cyprinid fish of Asia Cyprinidae genera {{Cyprinidae-stub