Squalius

Squalius
Squalius carolitertii
Squalius pyrenaicus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Leuciscinae
Genus: Squalius
Bonaparte, 1837
Type species
Leuciscus squalus
Bonaparte, 1837
Synonyms

Cephalopsis Fitzinger, 1873
Iberocypris Doadrio, 1980
Microlepis Bonaparte, 1846

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 from a prehistoric species related to Anaecypris; the latter mated with ancestral S. pyrenaicus. Present-day S. alburnoides mates with sympatric congeners of other species.

Species

There are currently 52 recognized species in this genus: