n = 12
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Gymnocephalus acerina | (Gmelin, 1789) | Gymnocephalus acerina | Percidae | Donets ruffe |
| Gymnocephalus acerinus | (Gmelin, 1789) | Gymnocephalus acerina | Percidae | Donets ruffe |
| Gymnocephalus ambriaelacus | Geiger & Schliewen, 2010 | Gymnocephalus ambriaelacus | Percidae | |
| Gymnocephalus baloni | Holcík & Hensel, 1974 | Gymnocephalus baloni | Percidae | Danube ruffe |
| Gymnocephalus cernua | (Linnaeus, 1758) | Gymnocephalus cernua | Percidae | Ruffe |
| Gymnocephalus cernus | (Linnaeus, 1758) | Gymnocephalus cernua | Percidae | Ruffe |
| Gymnocephalus cernuus | (Linnaeus, 1758) | Gymnocephalus cernua | Percidae | Ruffe |
| Gymnocephalus messanensis | Cocco, 1829 | Centrolophus niger | Centrolophidae | Rudderfish |
| Gymnocephalus messinensis | Cocco, 1829 | Centrolophus niger | Centrolophidae | Rudderfish |
| Gymnocephalus ruber | Bloch & Schneider, 1801 | Cephalopholis fulva | Epinephelidae | Coney |
| Gymnocephalus schraetser | (Linnaeus, 1758) | Gymnocephalus schraetser | Percidae | Schraetzer |
| Gymnocephalus schraetzer | (Linnaeus, 1758) | Gymnocephalus schraetser | Percidae | Schraetzer |