Rutilus
| Rutilus | |
|---|---|
| File:Rutilusrutilus38cm 2143x1060.JPG | |
| Common roach (Rutilus rutilus) | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Leuciscidae |
| Subfamily: | Leuciscinae |
| Genus: | Rutilus Rafinesque, 1820[1] |
| Type species | |
| Cyprinus rutilus | |
| Synonyms[1] | |
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]
Taxonomy
[edit | edit source]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
[edit | edit source]Rutilus was chosen as the genus name by tautonymy with Cyprinus rutilus; rutilus means red, golden red or reddish yellow, and is an allusion to the red colour of the fins.[6]
Species
[edit | edit source]Rutilus contains the following valid species:[3]
- Rutilus atropatenus Derjavin, 1937 (Azerbaijani spring roach)
- Rutilus caspicus (Yakovlev, 1870) (Caspian roach)
- Rutilus frisii (Nordmann, 1840) (Black Sea roach)
- Rutilus heckelii (Nordmann, 1840)
- Rutilus kutum (Kamensky, 1901) (Kutum)
- Rutilus lacustris (Pallas, 1814) (Pontic roach)
- Rutilus meidingeri (Heckel, 1851) (Pearlfish)
- Rutilus pigus (Lacepède, 1803) (Pigo)
- Rutilus rutilus (Linnaeus, 1758) (Common roach)
- Rutilus sojuchbulagi Abdurakhmanov, 1950 (Akstafa spring roach)
- Rutilus virgo (Heckel, 1852) (Cactus roach)
Characteristics
[edit | edit source]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
[edit | edit source]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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- ^ Levin, B.A., Simonov, E.P., Ermakov, O.A., Levina, M.A., Interesova, E.A., Kovalchuk, O.M., Malinina, Y.A., Mamilov, N.S., Mustafayev, N.J., Pilin, D.V., Pozdeev, I.V., Prostakov, N.I., Roubenyan, H.R., Titov, S.V. & Vekhov, D.A. (2017): Phylogeny and phylogeography of the roaches, genus Rutilus (Cyprinidae), at the Eastern part of its range as inferred from mtDNA analysis. Hydrobiologia, 788 (1): 33–46.
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