''Achondrostoma'' 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 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 ...

, the carps and minnows. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the

Iberian Peninsula The Iberian Peninsula (), ** * Aragonese and Occitan: ''Peninsula Iberica'' ** ** * french: Péninsule Ibérique * mwl, Península Eibérica * eu, Iberiar penintsula also known as Iberia, is a peninsula in southwestern Europe, defi ...

.Robalo, J. I., et al. (2007)
Re-examination and phylogeny of the genus ''Chondrostoma'' based on mitochondrial and nuclear data and the definition of 5 new genera.
''Molecular Phylogenetics and Evolution'' 42, 362–72. The genus was erected in 2007 for three fish separated from genus ''

Chondrostoma ''Chondrostoma'' (from the Ancient Greek roots (''khondros'') 'lump' + (''stoma'') 'mouth' = 'lump-mouth') is a genus of ray-finned fish in the family Cyprinidae. They are commonly known as nases, although this term is also used locally to ...

'' on the basis of genetic evidence. Later that year a population of ''

Iberochondrostoma lemmingii ''Iberochondrostoma lemmingii'' ( pt, ruivaca; es, pardilla) is a species of ray-finned fish in the family Cyprinidae. It is found in Portugal and Spain. It lives in the middle and lower reaches of rivers with slow current. Until recently, ''I ...

'' was separated on the basis of morphological and phylogenetic data and described as the fourth species of ''Achondrostoma''.Doadrio, I. and B. Elvira. (2007)
A new species of the genus ''Achondrostoma'' Robalo, Almada, Levy & Doadrio, 2007 (Actinopterigii, Cyprinidae) from western Spain.
''Graellsia'' 63(2), 295–304.

Species

Species include: * ''

Achondrostoma arcasii ''Achondrostoma arcasii'', termed the bermejuela, is a species of freshwater fish in the family Cyprinidae. It is found in the Douro River in northern Portugal and in rivers draining to both the Atlantic Ocean and the Mediterranean, including th ...

'' ( Steindachner, 1866) * ''

Achondrostoma occidentale ''Achondrostoma occidentale'' is a species of freshwater fish in the family Cyprinidae. This fish is from Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is loc ...

'' (Robalo, et al., 2005) * ''

Achondrostoma oligolepis ''Achondrostoma oligolepis'' is a species of cyprinid fish. It is endemic to central and northern Portugal and known from between Limia and Tornada drainages, south of Douro. It occurs in the lower stretches of rivers and streams. It can grow to ...

'' (Robalo, et al., 2005) * ''

Achondrostoma salmantinum ''Achondrostoma salmantinum'' is a species of freshwater fish in the family Cyprinidae. It is native to five tributaries in the Duero basin in the Province of Salamanca, Spain. It is normally found in clear, seasonal streams with sandy substrates ...

'' Doadrio & Elvira, 2007

References

{{Taxonbar, from=Q3604466 Endemic fish of the Iberian Peninsula