Gymnocephalus
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| Gymnocephalus | |
|---|---|
 | |
| Eurasian ruffe, Gymnocephalus cernua | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Percidae |
| Genus: | Gymnocephalus Bloch, 1793 |
| Species | |
|
5, see text | |
Gymnocephalus is a ray-finned fish genus of the perch family (Percidae). Its members live in western Eurasia. They are collectively called ruffes and resemble the common perches (Perca), but are usually smaller and have a different pattern.
It contains the following species:
- Gymnocephalus acerina (Güldenstädt, 1774) – Donets ruffe
- Gymnocephalus ambriaelacus Geiger & Schliewen, 2010 – Ammersee ruffe
- Gymnocephalus baloni Holcík & Hensel, 1974 – Balon's ruffe, Danube ruffe
- Gymnocephalus cernua (Linnaeus, 1758) – (Eurasian) ruffe
- Gymnocephalus schraetser (Linnaeus, 1758) – schraetzer
Geographic distribution
In Europe they are found in the Caspian, Black, Baltic and North Sea basins; in Asia in the Aral Sea basin and the Arctic Ocean basin eastward to Kolyma drainage.[1]
References
External links
Media related to Gymnocephalus at Wikimedia Commons
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