''Tanichthys'' 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 ...

freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...

in the carp 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 ...

) of

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

Cypriniformes Cypriniformes is an order of ray-finned fish, including the carps, minnows, loaches, and relatives. Cypriniformes is an Order within the Superorder Ostariophysi consisting of "Carp-like" Ostariophysins. This order contains 11-12 families, ...

. They are native to rivers and streams in China and

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

. Until recently, the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...

, ''T. albonubes,'' was the only one known. In 2001, however, Freyhof and Herder described a new and very similar

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 ...

, ''T. micagemmae,'' from the

Ben Hai River Ben is frequently used as a shortened version of the given names Benjamin, Benedict, Bennett or Benson, and is also a given name in its own right. Ben (in he, בֶּן, ''son of'') forms part of Hebrew surnames, e.g. Abraham ben Abraham ( he, � ...

in Vietnam and V. H. Nguyen & S. V. Ngô described a third species from Vietnam. The name ''Tanichthys'' comes from the name of the Chinese

Boy Scout A Scout (in some countries a Boy Scout, Girl Scout, or Pathfinder) is a child, usually 10–18 years of age, participating in the worldwide Scouting movement. Because of the large age and development span, many Scouting associations have split ...

leader, Tan, who discovered the first specimen.

Species

* ''

Tanichthys albiventris ''Tanichthys'' is a genus of freshwater fish in the carp family (Cyprinidae) of order Cypriniformes. They are native to rivers and streams in China and Vietnam. Until recently, the type species, ''T. albonubes,'' was the only one known. In 2001, ...

'' F. Li, T. Y. Liao, J. Bohlen, Z. X. Shen, L. J. Zhao & S. Li, 2022 * ''

Tanichthys albonubes The White Cloud Mountain minnow (''Tanichthys albonubes'') is a hardy species of freshwater fish and coldwater fish often kept in an aquarium. The species is a member of the carp family (family Cyprinidae) of the order Cypriniformes, native to Ch ...

'' S. Y. Lin, 1932 (White cloud mountain minnow) * ''

Tanichthys flavianalis ''Tanichthys'' is a genus of freshwater fish in the carp family (Cyprinidae) of order Cypriniformes. They are native to rivers and streams in China and Vietnam. Until recently, the type species, ''T. albonubes,'' was the only one known. In 2001, ...

'' F. Li, T. Y. Liao, J. Bohlen, Z. X. Shen, L. J. Zhao & S. Li, 2022 * ''

Tanichthys kuehnei ''Tanichthys kuehnei'' is a species of freshwater fish. It is a member of the carp family (family Cyprinidae) of order Cypriniformes. It is native to Central Vietnam. The specific name honours the German aquarist An aquarist is a person who ma ...

'' Bohlen, Dvorák, Ha & Šlechtová, 2019 (Lemon white cloud) * ''

Tanichthys micagemmae ''Tanichthys micagemmae'' is a species of freshwater ray-finned fish. It is a member of the carp family (family Cyprinidae) of order Cypriniformes. It was only discovered in 2001, in a tributary of the Bến Hải River in Quảng Bình Province ...

'' Freyhof &

Herder A herder is a pastoral worker responsible for the care and management of a herd or flock of domestic animals, usually on open pasture. It is particularly associated with nomadic or transhumant management of stock, or with common land grazing. ...

, 2001 (Vietnamese cardinal minnow) * ''

Tanichthys thacbaensis ''Tanichthys thacbaensis'' is a species of freshwater fish. It is a member of the carp family (family Cyprinidae) of order Cypriniformes. It is native to Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic ...

'' V. H. Nguyễn & S. V. Ngô, 2001

References

External links

* * Tincinae Cyprinidae genera Cyprinid fish of Asia Paleontology in Shandong {{Cyprinidae-stub