Squalius is a genus of freshwater ray-finned fish belonging to the family Leuciscidae, the daces, Eurasian minnows and related fishes. The fishes in this genus are found in Europe and Asia. Hybridization is not rare in the Leuciscidae, 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
These are the currently recognized species in this genus:
- Squalius adanaensis <small>Turan, Kottelat & DoÃÂan, 2013</small> (Adana chub)
- Squalius agdamicus <small>S. N. Kamensky, 1901</small>
- Squalius alburnoides <small>(Steindachner, 1866)</small> (Calandino)
- Squalius albus <small>(Bonaparte, 1838)</small> (Trasimeno chub)
- Squalius anatolicus <small>(Bogutskaya, 1997)</small> (BeyÃ
Âehir chub)
- Squalius aradensis <small>(Coelho, Bogutskaya, Rodrigues & Collares-Pereira, 1998)</small> (Arade chub)
- Squalius aristotelis <small>ÃÂzuluÃÂ & Freyhof, 2011</small> (Tuzla chub)
- Squalius berak <small>Heckel, 1843</small> (Mesopotamian chub)
- Squalius caetobrigus <small>Mendes, Perea, Sousa, Sousa-Santos & Doadrio, 2024</small> (Sato chub)
- Squalius cappadocicus <small>ÃÂzuluÃÂ & Freyhof, 2011</small> (Cappadocian chub)
- Squalius carinus <small>ÃÂzuluÃÂ & Freyhof, 2011</small> (Chocolate chub)
- Squalius carolitertii <small>(Doadrio, 1988)</small> (Northern Iberian chub)
- Squalius castellanus <small>Doadrio, Perea & Alonso, 2007</small> (Gallo chub)
- Squalius cephalus <small>(Linnaeus, 1758)</small> (Common chub)
- Squalius cii <small>(J. Richardson, 1857)</small> (Marmara chub)
- Squalius fellowesii <small>(Günther, 1868)</small> (Aegean chub)
- Squalius gaditanus <small>Doadrio, Sousa-Santos & Perea, 2023</small>
- Squalius illyricus <small>Heckel & Kner, 1857</small> (Illyrian chub)
- Squalius irideus <small>(Ladiges, 1960)</small> (Anatolian ghizani)
- Squalius keadicus <small>(Stephanidis, 1971)</small>
- Squalius kosswigi <small>(M. S. Karaman (), 1972)</small>
- Squalius kottelati <small>Turan, Yñlmaz & Kaya, 2009</small> (striped chub)
- Squalius laietanus <small>Doadrio, Kottelat & de Sostoa, 2007</small> (Ebro chub)
- Squalius latus <small>Keyserling, 1861</small>
- Squalius lepidus <small>Heckel, 1843</small> (Mesopotamian pike chub)
- Squalius lucumonis <small>(Bianco, 1983)</small> (Etruscan chub)
- Squalius malacitanus <small>Doadrio & Carmona, 2006</small> (Malaga chub)
- Squalius microlepis <small>Heckel, 1843</small> (Imotski chub)
- Squalius moreoticus <small>(Stephanidis, 1971)</small> (Stymphalia chub)
- Squalius namak <small>Khaefi, Esmaeili, Sayyadzadeh, Geiger & Freyhof, 2016</small>
- Squalius orientalis <small>(Nordmann 1840)</small>
- Squalius orpheus <small>Kottelat & Economidis, 2006</small> (Thracian chub)
- Squalius palaciosi <small>(Doadrio, 1980)</small> (Bogardillo)
- Squalius pamvoticus <small>(Stephanidis, 1939)</small> (Pamvotis chub)
- Squalius peloponensis <small>(Valenciennes, 1844)</small> (Peloponnese chub)
- Squalius platyceps <small>ZupanÃÂiÃÂ, MariÃÂ, Naseka & Bogutskaya, 2010</small>
- Squalius prespensis <small>(Fowler, 1977)</small> (Prespa chub)
- Squalius pursakensis <small>(Hankó (), 1925)</small> (Sakarya chub)
- Squalius pyrenaicus <small>(Günther, 1868)</small> (Southern Iberian chub)
- Squalius recurvirostris <small>ÃÂzuluÃÂ & Freyhof, 2011</small> (AkÃ
Âehir chub)
- Squalius ruffoi <small>(Bianco & Recchia, 1983)</small>
- Squalius semae <small>Turan, Kottelat & Bayçelebi, 2017</small>
- Squalius seyhanensis <small>Turan, Kottelat & DoÃÂan, 2013</small> (Seyhan chub)
- Squalius spurius <small>Heckel, 1843</small> (Orontes chub)
- Squalius squalus <small>(Bonaparte 1837)</small> (Italian chub)
- Squalius svallize <small>Heckel & Kner, 1857</small> (Neretva chub)
- Squalius tartessicus <small>Doadrio, Sousa-Santos & Perea, 2023</small>
- Squalius tenellus <small>Heckel, 1843</small> (Livno chub)
- Squalius torgalensis <small>(Coelho, Bogutskaya, Rodrigues & Collares-Pereira, 1998)</small> (Mira chub)
- Squalius turcicus <small>De Filippi, 1865</small> (Transcaucasian chub)
- Squalius valentinus <small>Doadrio & Carmona, 2006</small> (Eastern Iberian chub)
- Squalius vardarensis <small>S. L. Karaman, 1928</small> (Vardar chub)
- Squalius verepi <small>Turan, 2022</small>
- Squalius zrmanjae <small>S. L. Karaman, 1928</small> (Zrmanja chub)
References