''Tanichthys'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

freshwater fish Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes, ponds and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many wa ...

, it is the only genus in the family Tanichthyidae in the

order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...

Cypriniformes Cypriniformes is an order of ray-finned fish, which includes many families and genera of cyprinid ( carps and their kin) fish, such as barbs, loaches, botias, and minnows (among others). Cypriniformes is an "order-within-an-order", placed ...

. They are native to rivers and streams in China and

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

. Until recently, the

type species In International_Code_of_Zoological_Nomenclature, 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 spe ...

, ''T. albonubes,'' was the only one known. In 2001, however,

Jörg Freyhof Jörg Arthur Freyhof (born 4 November 1964 in Ludwigshafen) is a German people, German ichthyologist specializing on Old World Cypriniformes, cypriniform fishes.

and

Fabian Herder Fabian may refer to: People * Fabian (name), including a list of people with the given name or surname * Pope Fabian (died 250), Catholic saint * Fabian Forte (born 1943), 1950s American teen idol, singer and actor, known by the mononym Fabian * ...

described a new and very similar

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

, ''T. micagemmae,'' from the

Ben Hai River Ben is frequently used as a shortened version of the given names Benjamin, Benedict, Bennett, Benson or Ebenezer, and is also a given name in its own right. Ben meaning "son of" is also found in Arabic as ''Ben'' (dialectal Arabic) or ''bin ...

in Vietnam and

Nguyễn Văn Hảo Nguyễn (阮) (sometimes abbreviated as Ng̃) is the most common surname of the Vietnamese people. Outside of Vietnam, the surname is commonly rendered without diacritics as ''Nguyen''. By some estimates 30 to 39 percent of Vietnamese peopl ...

and Ngô Sy Van described a third species from Vietnam. The name ''Tanichthys'' comes from the name of the Chinese

Boy Scout A Scout, Boy Scout, Girl Scout or, in some countries, a Pathfinder is a participant in the Scout Movement, usually aged 10–18 years, who engage in learning scoutcraft and outdoor and other special interest activities. Some Scout organizatio ...

leader, Tan Kam Fei, who discovered the first specimen.

Species

''Tanichthys'' contains the following species: * '' Tanichthys albiventris'' F. Li, Bohlen & T. Y, Liao, 2022 * '' Tanichthys albonubes'' S. Y. Lin, 1932 (White cloud mountain minnow) * '' Tanichthys flavianalis'' F. Li, T. Y. Liao & Z. X. Shen, 2022 * '' Tanichthys guipingensis'' J. J. Jin, C. Li & J. Zhao, 2022 * ''

Tanichthys huidongensis ''Tanichthys'' is a genus of freshwater fish, it is the only genus in the family Tanichthyidae in the order (biology), order Cypriniformes. They are native to rivers and streams in China and Vietnam. Until recently, the type species, ''T. albonub ...

'' J. J. Jin, C. Li & J. Zhao, 2022 * '' Tanichthys kuehnei'' Bohlen, Dvorák, Thang & Šlechtová, 2019 * '' Tanichthys luheensis'' J. J. Jin, C. Li & J. Zhao, 2022 * '' Tanichthys micagemmae'' Freyhof &

Herder A herder is a pastoralism, pastoral worker responsible for the care and management of a herd or flock of domestic animals, usually on extensive management, open pasture. It is particularly associated with nomadic pastoralism, nomadic or transhuma ...

, 2001 * '' Tanichthys shenzhenensis'' J. J. Jin, C. Li & J. Zhao, 2022 * '' Tanichthys thacbaensis'' V. H. Nguyễn & S. V. Ngô, 2001

References

External links

* * Tanichthys Cyprinoidei Paleontology in Shandong Taxa named by Lin Shu-Yen {{Cyprinidae-stub