For other uses, see 
Roach.
| Common roach | 
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| Scientific classification | 
| Domain: | Eukaryota | 
 
| Kingdom: | Animalia | 
 
| Phylum: | Chordata | 
 
| Class: | Actinopterygii | 
 
| Order: | Cypriniformes | 
 
| Family: | Leuciscidae | 
 
| Subfamily: | Leuciscinae | 
 
| Genus: | Rutilus | 
| Species: | R. rutilus | 
| Binomial name | 
| Rutilus rutilus 
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| Synonyms | 
| Cyprinus rutilus Linnaeus, 1758Leuciscus rutilus (Linnaeus, 1758)Cyprinus rubellio Leske, 1774Cyprinus simus Hermann, 1804Cyprinus lacustris Pallas, 1814Cyprinus jaculus Jurine, 1825Leuciscus decipiens Agassiz, 1835Leuciscus prasinus Agassiz, 1835Cyprinus xanthopterus Vallot, 1837Cyprinus fulvus Vallot, 1837Gardonus pigulus Bonaparte, 1841Leucos cenisophius Bonaparte, 1841Leuciscus rutiloides Selys-Longchamps, 1842Leuciscus selysii Selys-Longchamps, 1842Leuciscus lividus Heckel, 1843Leuciscus pausingeri Heckel, 1843Leucos pigulus Bonaparte, 1845Leucos cenisophius Bonaparte, 1845Cyprinus pigus Gronow, 1854Leuciscus jurinii Dybowski, 1862Gardonus ruboculus Walecki, 1863Leuciscus pallens Blanchard, 1866
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The roach, or rutilus roach (Rutilus rutilus), also known as the common roach, is a fresh- and brackish-water fish of the family Cyprinidae, native to most of Europe and western Asia. Fish called roach can be any species of the genera Rutilus, Leucos and Hesperoleucus, depending on locality. The plural of the term is also roach.