Gagata
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''Gagata'' 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
sisorid catfish Sisoridae is a family of catfishes. These Asian catfishes live in fast-moving waters and often have adaptations that allow them to adhere to objects in their habitats. The family includes about 235 species. Taxonomy The family Sisoridae is recog ...
es native to
Asia Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
.


Species

There are currently eight recognized species in this genus: * ''
Gagata cenia ''Gagata cenia'' is a species of sisorid catfish found in the Ganges Delta and the Indus River. It has also been reported as occurring in Thailand and Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA ...
'' (
Hamilton Hamilton may refer to: People * Hamilton (name), a common British surname and occasional given name, usually of Scottish origin, including a list of persons with the surname ** The Duke of Hamilton, the premier peer of Scotland ** Lord Hamilt ...
, 1822)
* ''
Gagata dolichonema ''Gagata dolichonema'' is a species of sisorid catfish native to China, Myanmar, India, and Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the c ...
'' ( He, 1996) * ''
Gagata gagata ''Gagata gagata'' is a species of sisorid catfish found in Bangladesh, Myanmar and India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest ...
'' (
Hamilton Hamilton may refer to: People * Hamilton (name), a common British surname and occasional given name, usually of Scottish origin, including a list of persons with the surname ** The Duke of Hamilton, the premier peer of Scotland ** Lord Hamilt ...
, 1822)
* ''
Gagata itchkeea ''Gagata itchkeea'' is a species of sisorid catfish native to India and probably also to 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 ...
'' (
Sykes Sykes may refer to: People * Sir Alan Sykes, 1st Baronet, businessman and British politician * Annette Sykes, New Zealand human rights lawyer and Māori activist * Bob Sykes (American football), American football player * Bob Sykes (baseball), ...
, 1839)
* ''
Gagata melanopterus ''Gagata melanopterus'' is a species of sisorid catfish endemic to Myanmar where it occurs in the Irrawaddy, Sittang and lower Salween River , ''Mae Nam Salawin'' ( , name_etymology = , image = Sweet_View_of_Salween_River_ ...
'' ( Roberts &
Ferraris Ferrari Società per Azioni, S.p.A. (; ) is an Italian luxury sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari (1898–1988) in 1939 from the Alfa Romeo racing division as ''Auto Avio Costruzioni'', the company buil ...
, 1998)
* ''
Gagata pakistanica ''Gagata pakistanica'' is a species of sisorid catfish which is probably endemic to 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 coun ...
'' (
Mirza Mirza may refer to: * Mirza, Kamrup, town in Assam, India * Mirza (name), historical royal title & noble * ''Mirza'', the genus of giant mouse lemur * "Mirza", song by Nino Ferrer * ''Mirza – The Untold Story'', Punjabi action romance film wri ...
, Parveen & Javed, 1999)
* ''
Gagata sexualis ''Gagata sexualis'' is a species of sisorid catfish endemic to India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the ...
'' (
Tilak In Dharmic culture, the ''tilaka'' ( sa, तिलक) () is a mark worn usually on the forehead, at the point of the Ajna chakra, or sometimes another part of the body such as the neck, hand, chest or arm. ''Tilaka'' may be worn daily or for ...
, 1970)
* ''
Gagata youssoufi ''Gagata youssoufi'' is a species of sisorid catfish native to India and Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, wit ...
'' (Ataur Rahman, 1976)


Distribution

''Gagata'' species are distributed in the
Indus The Indus ( ) is a transboundary river of Asia and a trans-Himalayan river of South and Central Asia. The river rises in mountain springs northeast of Mount Kailash in Western Tibet, flows northwest through the disputed region of Kashmir, ...
drainage in
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 ...
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 ...
, east and south (including peninsular India) to the Tenasserim drainages in
Burma Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John Wells explai ...
. ''G. cenia'' originates from the Indus,
Mahanadi The Mahanadi is a major river in East Central India. It drains an area of around and has a total length of . Mahanadi is also known for the Hirakud Dam. The river flows through the states of Chhattisgarh and Odisha and finally merged with Bay o ...
,
Ganges The Ganges ( ) (in India: Ganga ( ); in Bangladesh: Padma ( )). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international river to which India, Bangladesh, Nepal and China are the riparian states." is ...
, and
Brahmaputra The Brahmaputra is a trans-boundary river which flows through Tibet, northeast India, and Bangladesh. It is also known as the Yarlung Tsangpo in Tibetan, the Siang/Dihang River in Arunachali, Luit in Assamese, and Jamuna River in Bangla. It ...
drainages in Pakistan, India, Bangladesh, Burma and possibly
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 ...
; it is also reported from the Irrawaddy drainage and
Salween , ''Mae Nam Salawin'' ( , name_etymology = , image = Sweet_View_of_Salween_River_in_Tang_Yan_Township,_Shan_State,_Myanmar.jpg , image_size = , image_caption = Salween River in Shan State, Myanmar , map ...
drainage. ''G. dolichonema'' inhabits the upper Salween River basin in
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 ...
and the Irrawaddy, Salween, and Tenasserim River basins in Burma. ''G. gagata'' is from the Ganges drainage in India and Bangladesh and is reported from the Brahmaputra and Irrawaddy drainages. ''G. itchkeea'' is known from the Narmada,
Krishna Krishna (; sa, कृष्ण ) is a major deity in Hinduism. He is worshipped as the eighth avatar of Vishnu and also as the Supreme god in his own right. He is the god of protection, compassion, tenderness, and love; and is one ...
, and
Cauvery The Kaveri (also known as Cauvery, the anglicized name) is one of the major Indian rivers flowing through the states of Karnataka and Tamil Nadu. The Kaveri river rises at Talakaveri in the Brahmagiri (hill), Karnataka, Brahmagiri range in th ...
drainages in peninsular India, though its presence in the Cauvery needs to be confirmed. ''G. melanoptera'' is distributed in the Irrawaddy,
Rangoon Yangon ( my, ရန်ကုန်; ; ), formerly spelled as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar (also known as Burma). Yangon served as the capital of Myanmar until 2006, when the military government ...
,
Sittang The Sittaung River ( my, စစ်တောင်းမြစ် ; formerly, the Sittang or Sittounghttps://unstats.un.org/unsd/geoinfo/UNGEGN/docs/8th-uncsgn-docs/inf/8th_UNCSGN_econf.94_INF.75.pdf ) is a river in south central Myanmar in Bago ...
, and lower Salween drainages in Burma. ''G. pakistanica'' is from the Indus drainage in Pakistan. ''G. sexualis'' originates from the Ganges and Brahmaputra drainages in India, Bangladesh and Nepal.


Description

''Gagata'' species have a compressed head, eyes on side of the head, a depressed snout, small conical teeth in lower jaw, branchiostegal membranes broadly fused to
isthmus An isthmus (; ; ) is a narrow piece of land connecting two larger areas across an expanse of water by which they are otherwise separated. A tombolo is an isthmus that consists of a spit or bar, and a strait is the sea counterpart of an isthmu ...
, no serrations on anterior margin of pectoral spine but serrate posteriorly, no well-developed maxillary barbel membrane, outer and inner mental barbels close together with their origins nearly parallel in a transverse line, short nasal and maxillary barbels, and a lack of palatal teeth. ''Gagata'' species have a great range in lengths, from 5.8 centimetres (2.3 in) TL in ''G. sexualis'' and 7.6 cm (3.0 in) TL in ''G. itchkeea'', to 15.0 cm (5.9 in) SL in ''G. cenia'' and 15.8 cm (6.2 in) SL in ''G. melanoptera'', to 30.5 cm (12.0 in) TL in ''G. gagata''.


References

{{Taxonbar, from=Q2128229 Sisoridae Fish of South Asia Fish of Southeast Asia Freshwater fish genera Catfish genera Taxa named by Pieter Bleeker