Gymnocephalus
Appearance
This article needs additional citations for verification. (February 2013) |
Gymnocephalus | |
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Eurasian ruffe, (G. cernua) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Perciformes |
Family: | Percidae |
Subfamily: | Acerinae |
Genus: | Gymnocephalus Bloch, 1793 |
Type species | |
Perca schraetser | |
Synonyms | |
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Gymnocephalus is a genus of perches native to Western Eurasia. They are collectively called ruffes and resemble the common perches (Perca), but are usually smaller and have a different pattern.[1]
Species
There are currently five recognized species in this genus:[1]
- Gymnocephalus acerina (J. F. Gmelin, 1789) (Donets ruffe)
- Gymnocephalus ambriaelacus Geiger & Schliewen, 2010
- Gymnocephalus baloni Holčík & K. Hensel, 1974 (Danube ruffe)
- Gymnocephalus cernua (Linnaeus, 1758) (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.[2]
References
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Gymnocephalus". FishBase. February 2014 version.
- ^ http://www.fishbase.org/summary/Gymnocephalus-cernua.html
External links
Media related to Gymnocephalus at Wikimedia Commons