Rutilus

Genus of fishes From Wikipedia, the free encyclopedia

Rutilus

Rutilus, commonly known as roaches, is a genus of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, Eurasian minnows and related fishes. This genus is a widely distributed lineage of leuciscids and ranges from West Europe to East Siberia.[2]

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Rutilus
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Common roach (Rutilus rutilus)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Leuciscidae
Subfamily: Leuciscinae
Genus: Rutilus
Rafinesque, 1820[1]
Type species
Cyprinus rutilus
Synonyms[1]
  • Cenisophius Bonaparte, 1846
  • Gardonus Bonaparte, 1846
  • Metallites Schulze, 1890
  • Orfus Fitzinger, 1873
  • Orthroleucos Derjavin, 1937
  • Pararutilus Berg, 1912
  • Pigus Bonaparte, 1846
  • Rubellus Fitzinger, 1873
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Taxonomy

Rutilus was first proposed as a genus in 1820 by the French polymath Constantine Samuel Rafinesque with Cyprinus rutilus designated as the type species but also the type species by absolute tautonymy.[1] Cyprinus rutilus was first formally described in the 10th edition of Systema Naturae by Carl Linnaeus with "European lakes" given as the type locality.[3]

In a phylogeographic study, Levin et al. (2017) argue that the Ponto-Caspian taxa including R. caspicus, R. heckelii and R. stoumboudae could represent a single widespread species whose range extends to Siberia, to be named Rutilus lacustris, whereas R. kutum is included in R. frisii. [4]

The genera Leucos and Sarmarutilus have been recently separated from Rutilus and are closely related to it.[5]

Etymology

Rutilus was chosen as the genus name by tautonymy with Cyprinus rutilus, rutilus means red, golden red and reddish yellow and is an allusion to the red colour of the fins.[6]

Species

Rutilus contains the following valid species:[3]

Characteristics

Rutilus, according to Rafinesque, was characterised by "Vent posterior nearer to the tail. Abdominal fins with nine rays. Mouth large and with lips. Scales large."[7] The smallest species in the genus is R. atropatenus with a maximum total length of 9.5 cm (3.7 in),[8] while the largest are R. frisii and R. meidingeri with a maximum total length of 70 cm (28 in).[9]

Distribution

Rutilus is a widely distributed genus of leuciscids and fishes from this genus are found from Western Europe to Eastern Siberia.[10]

References

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