''Parachondrostoma'' 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 ...

of freshwater

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

belonging to the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Leuciscidae Leuciscidae is a family of freshwater ray-finned fishes, formerly classified as a subfamily of the Cyprinidae, which contains the true minnows. Members of the Old World (OW) clade of minnows within this subfamily are known as European minnow ...

, which includes the daces, Eurasian minnows and related species. This species in this genus are found mostly in

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

with one species entering

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

Species

There are currently four recognized species in this genus: * '' Parachondrostoma arrigonis'' ( Steindachner, 1866) (Júcar nase) * '' Parachondrostoma miegii'' ( Steindachner, 1866) (Ebro nase) * '' Parachondrostoma toxostoma'' ( Vallot, 1837) (French nase) * '' Parachondrostoma turiense'' (

Elvira Elvira is a female given name. It is believed to have first been recorded in medieval Spain, while other sources claim that it is likely of Germanic ( Gothic) origin. In the Balkans, Elvira is popular among Bosniaks, Croats, and Slovenes in the ...

, 1987) (Turia nase)

Conservation

According to the

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

, ''Parachondrostoma turiense'' is an

endangered species An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...

and ''Parachondrostoma arrigonis'' is

critically endangered An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. As of December 2023, of t ...

. The Parachondrostoma is endangered because the population constantly declines, but it is being protected by the European Natura 2000 Network. The European Natura 2000 Network helps Parachondrostoma by artificially breeding about 1,000 juvenile Parachondrostoma’s.

References

Leuciscinae Freshwater fish of Europe Taxa named by Ignacio Doadrio Villarejo {{Leuciscinae-stub