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 ve ...
, from Southern Europe. They are
carp
Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. While carp is consumed in many parts of the world, they are generally considered an invasive species in parts of ...
close to the genus ''
Rutilus
''Rutilus'' is a genus of fish in the family Cyprinidae found in Eurasia. This genus is a widely distributed lineage of cyprinids and ranges from West Europe to East Siberia.
Species
In FishBase (2022), nine species are included in the genus: ...
Messinian salinity crisis
The Messinian salinity crisis (MSC), also referred to as the Messinian event, and in its latest stage as the Lago Mare event, was a geological event during which the Mediterranean Sea went into a cycle of partial or nearly complete desiccation (d ...
. The species of ''Leucos'' are typically of small size and they all live in still waters. They differ from ''Rutilus'' by the lack of spinous tubercles on scales and head in reproductive males, and also in the
pharyngeal teeth
Pharyngeal teeth are teeth in the pharyngeal arch of the throat of cyprinids, suckers, and a number of other fish species otherwise lacking teeth. The sister group to ''Leucos'' is the monotypic '' Sarmarutilus''.
Species
There are currently five recognized species in the genus:Species of Leucos
FishBase
FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.
(2016 version)
* ''
Leucos albus
''Leucos albus'' is a species of freshwater fish in the family Cyprinidae. Zeta and Morača river systems and Lake Skadar in Montenegro
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Leucos aula
''Leucos aula'' is a species of freshwater fish in the family Cyprinidae.Bianco, P.G. & Ketmaier, V. (2014): A revision of the Rutilus complex from Mediterranean Europe with description of a new genus, Sarmarutilus, and a new species, Rutilus sto ...
Leucos basak
''Leucos basak'', the Albanian roach, Dalmatian roach or Croatian roach, is a species of freshwater fish in the family Cyprinidae. It is found in Albania, Bosnia and Herzegovina, Croatia, and Serbia and Montenegro.Bianco, P.G. & Ketmaier, V. (201 ...
Leucos panosi
''Leucos panosi'', also known as the Acheloos roach, is a species of freshwater fish in the family Cyprinidae. Acheloos and Louros
Louros ( el, Λούρος) is a town and a former municipality in the Preveza regional unit, Epirus, Greece. Si ...
Leucos ylikiensis
''Leucos ylikiensis'' is a species of freshwater fish in the family Cyprinidae. It is found only in Greece, in the Kifissos drainage and Lake Yliki. The other known population, in Lake Paralimni, was extirpated when the lake was drained. ''L. y ...