Squalius

Squalius

Taxobox
name = "Squalius"



image_width = 240px
image_caption = Angler with European Chub ("S. cephalus") caught in the Rhine
regnum = Animalia
phylum = Chordata
superclassis = Osteichthyes
classis = Actinopterygii
subclassis = Neopterygii
infraclassis = Teleostei
superordo = Ostariophysi
ordo = Cypriniformes
superfamilia = Cyprinioidea
familia = Cyprinidae
subfamilia = Leuciscinae
genus = "Squalius"
genus_authority =
subdivision_ranks = Species
subdivision =About 25, see text

"Squalius" is a ray-finned fish genus in the family Cyprinidae, containing the European chubs (the "European Chub" proper is "S. cephalus"). This genus belongs to the subfamily Leuciscinae as other chubs and daces generally do.

The Eurasian daces, "Leuciscus", are close relatives. The present genus was formerly entirely included there, ans their delimitation with respect to each other is somewhat uncertain. A number of species have in recent times been moved from one genus to the other. Generally, "Leuciscus" in the modern sense is widespread across Eurasia, whereas "Squalius" is almost limited to Europe proper.

Hybridization is not rare in 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" mate with sympatric congeners of other species. [Sousa-Santos "et al." (2007)]

pecies

New species are described every now and then. [FishBase (2006)]

* "Squalius alburnoides"
* "Squalius anatolicus"
* "Squalius aphipsi" (Aleksandrov, 1927) – Aphips Chub
* "Squalius aradensis"
* "Squalius carolitertii" – Bordallo
* "Squalius castellanus"
* "Squalius cephaloides" (often in "Leuciscus")
* "Squalius cephalus" – European Chub, Fat Chub, Round Chub, chevin, pollard
* "Squalius cii" (Richardson, 1857)
* "Squalius illyricus" (often in "Leuciscus")
* "Squalius keadicus" – Menida
* "Squalius lepidus" Heckel, 1843
* "Squalius lucumonis"
* "Squalius malacitanus" Doadrio & Carmona, 2006
* "Squalius microlepis" (often in "Leuciscus")
* "Squalius orpheus" Kottelat & Economidis, 2006
* "Squalius palaciosi" – Bogardilla
* "Squalius peloponnensis"
* "Squalius prespensis"
* "Squalius pyrenaicus"
* "Squalius spurius" (often in "Leuciscus")
* "Squalius svallize" (often in "Leuciscus")
* "Squalius torgalensis"
* "Squalius valentinus" Doadrio & Carmona, 2006
* "Squalius zrmanjae"

Footnotes

References

* (2006): [http://fishbase.se/NomenClature/ValidNameList.cfm?criteria=SYNONYMS.SynGenus+%3D+%27Squalius%27++AND+SYNONYMS.SynSpecies+like+%27%25%25%27+&vtitle=Scientific+Names+where+Genus+Equals+%3Ci%3ESqualius%3C%2Fi%3E "Squalius" species] . Version of 2006-MAR-14. Retrieved 2008-AUG-25.
* (2007): Reading the history of a hybrid fish complex from its molecular record. "Mol. Phylogenet. Evol." 45(3) 981–996. doi|10.1016/j.ympev.2007.05.011 (HTML fulltext)


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