''Leuciscus'' 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 ...

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

belonging to the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

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 ...

. They are inland water fishes commonly called Eurasian daces. The genus is widespread from

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of ...

. Species broadly distributed in Europe include the

common dace The common dace (''Leuciscus leuciscus'') is a species of freshwater and brackish water ray-finned fish from the family Cyprinidae which is native to Europe but which has been introduced to other parts of the world. It is a quarry species for coa ...

''Leuciscus leuciscus'' and the ide ''L. idus''. The

European chub ''Squalius cephalus'' is a European species of freshwater fish in the carp family Cyprinidae. It frequents both slow and moderate rivers, as well as canals and still waters of various kinds. This species is referred to as the common chub, Europe ...

s were formerly also included in ''Leuciscus'', but they are now usually separated in another genus, ''

Squalius ''Squalius'' is a genus of fish in the family Cyprinidae found in Europe and Asia. Hybridization is not rare in the Cyprinidae, including this genus. '' S. alburnoides'' is known to be of ancient hybrid origin, with the paternal lineage deriving ...

'' (e.g. the chub, ''Squalius cephalus''). The delimitation of ''Leuciscus'' and ''Squalius'' is not completely resolved; some species have been moved from one genus to the other only in recent years. The genera ''

Petroleuciscus ''Petroleuciscus'' is a genus of four species of ray-finned fish in the family Cyprinidae. It was usually included in ''Leuciscus'' until recently. This genus unites the Ponto-Caspian chubs and daces. Recent research has indicated that ''Petrole ...

'' and '' Telestes'' have also been split off from ''Leuciscus'' recently; for the latter the same holds true as for ''Squalius'' regarding the unclear delimitations.

Species

Currently, 19 recognized species are in this genus: * ''

Leuciscus aspius The asp (''Leuciscus aspius'') is a European freshwater fish of the Cyprinidae family. It is sometimes considered by taxonomic authorities to be one of two members of the genus ''Aspius''. It is protected under Appendix III of the Bern Convent ...

'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...

) (asp) * ''

Leuciscus baicalensis The Siberian dace (''Leuciscus baicalensis'') is a freshwater species of cyprinid fish, found in Siberian rivers draining to the Arctic Ocean, from the Ob to the Kolyma in the east, as well as in Mongolia and in Ulungur Lake and Ulungur River i ...

'' ( Dybowski, 1874) (Siberian dace) * ''

Leuciscus bearnensis The Bearn beaked dace (''Leuciscus bearnensis'') is a putative species of cyprinid fish, recorded from several localities in the Adour drainage in France. Description The Bearn beaked dace is distinguished from other western European members o ...

'' (

Blanchard Blanchard is a French family name. It is also used as a given name. It derives from the Old French word ''blanchart'' which meant "whitish, bordering upon white". It is also an obsolete term for a white horse. Geographical distribution As of 2014, ...

, 1866) (Bearn beaked dace) * ''

Leuciscus bergi Issyk-Kul dace (''Leuciscus bergi'') is a species of cyprinid fish from Issyk-Kul Lake, Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the ...

'' Kashkarov, 1925 * ''

Leuciscus burdigalensis ''Leuciscus burdigalensis'', the beaked dace, is a cyprinid freshwater fish from central and southern France. It is recorded both from Atlantic and Mediterranean drainages – from Loire to Garonne, and from Tech Tech or The Tech may refer to ...

Valenciennes Valenciennes (, also , , ; nl, label=also Dutch, Valencijn; pcd, Valincyinnes or ; la, Valentianae) is a commune in the Nord department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced a s ...

, 1844 (beaked dace) * ''

Leuciscus chuanchicus ''Leuciscus chuanchicus'' is a species of ray-finned fish in the genus ''Leuciscus'' which is endemic to China where it occurs in the upper reaches of the Yellow River The Yellow River or Huang He (Chinese: , Mandarin: ''Huáng hé'' ...

'' (

Kessler Kessler or Keßler (in German) may refer to: * Kessler (automobile), an American automobile made 1921–1922 * Kessler (name), people named Kessler * ''Kessler'' (TV series), a British television series from 1981 * Kessler, Ohio, an unincorporat ...

, 1876) * '' Leuciscus danilewskii'' (

, 1877) (Danilevskii's dace) * ''

Leuciscus dzungaricus ''Leuciscus dzungaricus'' is a species of cyprinid fish, known from Bulgan Gol river in Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia ...

'' Paepke & F. Koch, 1998 * '' Leuciscus gaderanus'' Günther, 1899 * ''

Leuciscus idus The ide (''Leuciscus idus''), or orfe, is a freshwater fish of the family Cyprinidae found in larger rivers, ponds, and lakes across Northern Europe and Asia. It has been introduced outside its native range into Europe, North America, and New ...

'' (

) (ide) * '' Leuciscus latus'' ( Keyserling, 1861) * '' Leuciscus lehmanni'' J. F. Brandt, 1852 (Zeravshan dace) * ''

Leuciscus leuciscus The common dace (''Leuciscus leuciscus'') is a species of freshwater and brackish water ray-finned fish from the family Cyprinidae which is native to Europe but which has been introduced to other parts of the world. It is a quarry species for co ...

'' (

) (common dace) * '' Leuciscus lindbergi'' Zanin & Eremejev, 1934 * ''

Leuciscus merzbacheri ''Leuciscus merzbacheri'', or the Zhungarian ide, is a species of cyprinid fish from the Junggar basin in Xinjiang, China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of coun ...

'' ( Zugmayer, 1912) * '' Leuciscus oxyrrhis'' ( La Blanchère, 1873) (long-snout dace) * '' Leuciscus schmidti'' ( Herzenstein, 1896) * '' Leuciscus vorax'' ( Heckel, 1843) * '' Leuciscus waleckii'' ( Dybowski, 1869) (Amur ide)

References

Cyprinidae genera Taxa named by Georges Cuvier {{Leuciscinae-stub