Cephalopsis Fitzinger, 1873 Iberocypris Doadrio, 1980 Microlepis Bonaparte, 1846 Squalius is a genus of fish in the family Cyprinidae found in Europe and Asia.

[1] 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.

[2] There are currently 52 recognized species in this genus: