Squalius alburnoides

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Squalius alburnoides
Squalius alburnoides 01 by-dpc.jpg
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Genus: Squalius
Species: S. alburnoides
Binomial name
Squalius alburnoides
(Steindachner, 1866)
Mapa Squalius alburnoides.png

Iberocypris alburnoides (Steindachner, 1866)
Leuciscus alburnoides Steindachner, 1866
Tropidophoxinellus alburnoides (Steindachner, 1866)

Squalius alburnoides is a species of fish in the family Cyprinidae. It is found in Portugal and Spain. Its natural habitats are rivers and intermittent rivers. It may be threatened by habitat loss.

This species is a highly peculiar fish in regard to its evolution and reproduction. It has been derived from hybridisation between females of Squalius pyrenaicus and males of another, unknown cyprinid species, and maintains the genomes of both parental species. Squalius alburnoides may have various numbers of these genomes (polyploidy), and may use different reproductive modes to pass them on to the offspring, including asexual reproduction, normal meiosis and hybridogenesis.[1][2]


  1. ^ Froese, Rainer and Pauly, Daniel, eds. (2016). "Squalius alburnoides" in FishBase. June 2016 version.
  2. ^ Collares-Pereira, M.J. & Coelho, M.M. (2010): Reconfirming the hybrid origin and generic status of the Iberian cyprinid complex Squalius alburnoides. Journal of Fish Biology, 76 (3): 707–715.

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