''Acanthocobitis (Paracanthocobitis) zonalternans'' also known as the dwarf zipper loach 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 two individuals of the appropriate s ...

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 called because their fins are webs of skin supported by bony or hor ...

in the

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 ...

, or

subgenus In biology, a subgenus (plural: subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between t ...

, ''

Paracanthocobitis ''Paracanthocobitis'' is a genus, or subgenus, of freshwater fish in the family Nemacheilidae. This genus is known from the Indus basin in Pakistan to the Mekong basin of Cambodia and Laos The type species is '' Paracanthocobitis zonalternans' ...

''. This species is known from

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, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

Myanmar 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 C. Wells, Joh ...

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, and peninsular

Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...

. It is found in the

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 ...

, Meghna,

Irrawaddy Irrawaddy may refer to: *Irrawaddy River, the main river of Burma *Irrawaddy Delta, a rice growing region of the country *Ayeyarwady Region, an administrative division of Burma *''The Irrawaddy'', a Burmese news publication based in Chiang Mai, Tha ...

, Sittang,

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 ...

, Maeklong, and drainages in peninsular

and

. The range extends from northern

to peninsular Malaysia. It is not known from the Chao Phraya basin.Singer, R.A. & Page, L.M. (2015): Revision of the Zipper Loaches, ''Acanthocobitis'' and ''Paracanthocobitis'' (Teleostei: Nemacheilidae), with Descriptions of Five New Species. ''Copeia, 103 (2): 378–401.''

References

zonalternans Fish described in 1860 Taxa named by Edward Blyth {{Nemacheilidae-stub